An inviting entry to the Centre

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Professor Premananda DasFNA; FNA Sc; FNAAS; FSE; FHSI ; FISOH.

Premananda Das was bornon 6th November 1942 inMadhuraganda Khamar, aremote village in Odishaunder Patkura P. S. ofKendrapara district. Heearned BSc (Ag), MSc (Ag),PhD degrees from OrissaUniversity of Agriculture andTechnology, Bhubaneswar,Odisha; University of Calcutta,Kolkata and Bidhan ChandraKrishi Viswavidyalaya, Nadia,West Bengal respectively. Heworked on in vitro somaticembryogenesis in tropicalwoody plants: factors effecting development, proliferation, maturationand germination of somatic embryos for a DSc degree under UtkalUniversity.

He had trainings at the Indian Agricultural Research Institute and DelhiUniversity, Delhi; Melbourne, Australia; Düsseldorf, Germany;University of Liverpool and Royal Botanic Gardens, Kew, UnitedKingdom on various aspects of plant science research. He visited RoyalBotanic Gardens at Sydney and Brisbane & Australian National BotanicGardens in the Northern Territory of Australia; Royal Botanic Garden,Thailand; Singapore Botanic Gardens, Singapore and PeradeniyaBotanic garden, Sri Lanka to study the diversity of Araceous plantsand tropical and sub-tropical trees.

At early years of his professional career, he worked in various capacitiesunder Govt. of Odisha for crop production, crop management andtransfer of technologies to the farming communities. He moved to an

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agro-based industry in New Delhi to gain experience on commercialproduction and post harvest management of horticultural crops. Healso worked full time, though for a very brief period, in 1976 for aNGO for integrated development of tribals living around Barbara andDhuanali forests in the erstwhile Puri District. Subsequently, he movedto Orissa University of Agriculture and Technology, Bhubaneswar andworked as Assistant Professor, Associate Professor & Professor. Duringhis tenure at Orissa University of Agriculture and Technology,Bhubaneswar from 1976 to 1985, he strengthened teaching and researchon plant propagation, floriculture and landscape horticulture withemphasis on plant-environment interaction.

Prof Das worked as the first Senior Scientist, Ecology andEnvironment, in the Department of Science, Technology andEnvironment, Govt of Odisha from 1983-85; Prof. Das joined as ChiefExecutive and Director of Regional Plant Resource Centre on 5th June1985 and continued as such till his superannuation on 30th November2002. As Senior Scientist, Indian National Science Academy, NewDelhi, Prof Das worked at Dr GM Reddy Foundation, Hyderabad andIndian Institute of Technology (IIT), Kharagpur. He worked with MSSwaminathan Foundation as the first Project Director to develop BijuPatnaik Medicinal Plants Garden and Research Centre, Jeypore,Odisha. He is currently the Director and Chairman of the Sciencefoundation for Tribal & Rural Resource Development & Chairman ofFORCE for Change, Bhubaneswar.

He worked as the founding Director of Regional Plant Resource Centre,Bhubaneswar, the largest Botanical Garden & Research Institute in Aisaand Australia (Panigrahi, 1985) over an area of 487 acres of wastelandwhich he nurtured to a Centre of Excellence.

He initiated research work in an existing asbestos shed to gain time.During his tenure as the Director and Chief Executive of Regional PlantResource Centre, he created building infrastructure of about 1,00,000sqft and excellent instrumentation facilities for cutting edge researchon biodiversity assessment and conservation, plant biotechnology,molecular biology, conservation ecology of mangroves, restoration

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ecology in mine environments, and greening of wastelands for biomassproduction. He introduced and conserved about 3250 plant species atthe centre; the collection of bamboo (61 species) and palm (112 species)were considered unique in the country with regard to species diversityat one place. With 550 species and about 500 hybrids developed throughbreeding and growth manipulations, the cacti germplasm at the centrewas the largest in Asia and Australia.

The Regional Plant Resource Centre, Bhubaneswar was recognized byIndian Council of Agricultural Research; Ministry of Environment andForests; Department of Science & Technology; Council of ScientificIndustrial Research and Department of Biotechnology, Govt of Indiaas a Centre of Excellence. The Centre was recognized as a place ofresearch by eight Universities across the country for PhD degree. ProfDas mentored/guided a number of students for award of DSc (3); PhD(21) and PG (14) degrees under different universities; authored over300 research articles, edited and co-authored a dozen of books.

He also established a Higher Education Link with the Royal Botanic

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Gardens, Kew onconservation of plantbiodiversity and Universityof Liverpool, UK for re-vegetation on coal, iron andmanganese & chromitemine waste dumps atBalanda, Joda and Sukindarespectively.

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He established a sub-centre of Regional Plant Resource Centre atSanghagara, Keonjhar over 1200 acres of degraded forest land for insitu conservation of diverse plant genetic resources with about 553species occurring naturally. Besides, he established the MangroveResearch Centre at Paradeep; the Biomass Research Centre atBhubaneswar, the National Institute for plant Biodiversity Conservationand Research (NIBCR), Bhubaneswar; the Biju Patnaik Medicinal PlantsGarden and Research Centre, Jeypore and a Botanical Garden &Research Institute at Beruhan near Konark in Puri district of Odisha.

After his superannuation in 2002, he founded the Science Foundation forTribal & Rural Resource Development (SFTRRD) and VenkateswarInstitute for Sustainable, Innovative and Objective Nurture (VISION) in2004 and FORCE (Facilitating Odisha’s Rural Communities’ Enablement)for Change at Bhubaneswar in 2009. These organizations are devoted toconservation and utilization of natural resources for sustainable livelihoodenhancement in Tribal and Rural areas.

Prof Das worked as Chairman and Member of many Committees inGovernment of India under the Ministry of Science and Technology(Department of Science & Technology (DST); Council of Scientific &Industrial Research (CSIR); Department of Biotechnology (DBT);Ministry of Agriculture (ICAR); Ministry of Textiles (CTSRI); Ministryof New and Renewable Energy (Biomas Mission) and Ministry ofEnvironment and Forests (National Biodiversity Authority) and thePlanning Commission.

He is Life Member of many learned National & International Societiesand Professional bodies i.e Indian National Science Academy; Indian

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Science Congress Association; National Academy of Sciences, India;National Academy of Agricultural Sciences; Indian Association ofBiological Sciences; Society of Ethno-Botanists; Indian Society ofOrnamental Horticulture; Orissa Bigyan Academy; Orissa HorticultureSociety; International Society for Mangrove Ecosystem, Japan;Mangrove Society of India and Horticulture Society of India.

Prof Das was elected to the fellowships of National Academy of Sciences,India (1994); National Academy of Agricultural Sciences (1995); Societyof Ethno-Botanists (1997); Indian National Science Academy (2001);Horticulture Society of India (2004) and Indian Society of OrnamentalHorticulture (2009). He served as a member of Executive Council ofNational Academy of Agricultural Sciences (2001-2003); SectionalCommittees, National Academy of Agricultural Sciences (2001-2003; 2010-2012) and Indian National Science Academy (2006-2008).

Prof Das received Samant Chandra Sekhar Award (1992) of OrissaBigyan Academy; Nandighosh Samman (1992); Dr. K. Ramiah MemorialAward (1999-2000) of NationalAcademy ofA g r i c u l t u r a lSciences; ICARN a t i o n a lProfessor (2001);Utkal SuryaSamman (2007);founder felllow,H o r t i c u l t u r eSociety of India(2004) and Award for significant contributions to Botany (2007) byOrissa Botanical Society; Fellow of Indian Society of OrnamentalHorticulture (2009); Chalachitra Jagat Pratibha Samman (2010); LifeTime Achievement Award from Indian Association of OrnamentalHorticulture for Life Time contributions in the field of Floriculture (2011)and Dr. Mopuri Brahman Memorial Award for Plant DiversityConservation (2011) by Orissa Botanical Society.

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Bio-diversity Assessment & ConservationThe Regional Plant Resource Centre at Bhubaneswar gained the distinctionof a leading Botanical Research Institute for its work on conservation,propagation and genetic manipulation of plants both at National &International fora. The Regional Plant Resource Centre represents thedetermination anddedication of Prof Daswho with the singleminded devotionconverted a barrenwasteland of about 500acres into a uniqueBotanic Garden and anactive and vibrantresearch institute withina short span of 15 years. His ceaseless and untiring efforts, organisationalabilities were instrumental in the development of the National Institutefor plant Biodiversity Conservation and Research (NIBCR) for basicand applied research on conservation, propagation and improvement

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through biotechnologicaland molecular approachesand the Regional PlantResource Centre as a PlantResource Centre and BotanicGarden.

Besides ex situ conservationinitiatives at the RegionalPlant Resource Centre, Bhubaneswar, Prof Das established sub-centres

under different agro-climaticregions of Odisha toconserve plant geneticresources through habitatprotection. He establishedthe Sanaghagra centrespreading over 1200 acres ofdegraded forest land inKeonjhar district withnatural occurrence of 553

plant species and the Mangrove Research Centre in Kendrapara districtand the Biomass Research Centre at Bhubaneswar.

Prof Das carried out survey and assessment of plant resources ofGandhmardhan hill ranges, Similipal Biosphere Reserve, Puri andPhulabani districts, mangrove forests of Bhitarkanika and Mahanadidelta and major mine sites of Odisha. He made an inventory of theendemic, endangered/ rare plants of Odisha state. He studied the ethnobotany in Gandhamardan hill range, Phulbani and Koraput districts ofOdisha and uses of several ethno-botanically important plant specieswere reported.

Dr Das studied biological diversity and distribution pattern of treespecies occurring in the tropical and sub-tropical parts of India andbrought out a book entitled “Trees of the World -Vol. I” that gives anaccount of the botany, phenology, distribution and uses of 1440 species

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of trees with 1700 colour illustrations; a coupleof volumes on trees are forthcoming.

Dr Das carried out cytogenetic studies on somegenera of Cactaceae i.e Mammillaria,Melocactus, Ferocactus and Astrophytum;succulent genera Adenium, Stapelia andPachypodium; several species of mangroves i.e.Acanthus, Avicennia, Rhizophora, Bruguiera andHeritiera; medicinal plants i e. ginger, turmeric,

Trigonella and on other groups i.e banana, cycads, Acacia and manyeconomically important plants pertaining to determination ofchromosome number and morphology, estimation of nuclear DNA andkaryotype analysis.

Prof. Das standardised thetissue culture protocols for invitro propagation of a numberof rare and endangered plantspecies of this region like Redsander (Pterocarpus santalinus),Psoralea corylifolia and manyspecies of orchids. Hedeveloped a modern seed bankat the Institute for medium term storage of seeds of tropical and sub-tropical trees, medicinal and wild plant species for conservation andexchange with botanic gardens and to study different aspects of seedbiology including molecular characterisation.

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Biotechnology of Horticultural PlantsProfessor P Das throughlong years of teachingand research in the fieldof vegetative propagationof horticultural plants byconventional methodsstandardized vegetativepropagation techniquesin several species ofcactus, Chrysanthemum,Chorisia, rose, brinjal, spine gourd, grape, cashew, Bougainvillea andmany other plants of horticultural and economic importance; thenecessity of large scale and year-round production of quality plantingmaterials of economically important plants was in his uppermost mind.Professor Das developed a huge tissue culture laboratory with excellentinstrumentation facilities and other necessary infrastructure at theRegional Plant Resource Centre to work on a number of speciesincluding woody plants.

In vitro regeneration viaorganogenesis and somaticembryogenesis from seedling andmature explants in a large numberof tree species like Acacia catechu,Leucaena leucocephala, Azadirachtaindica, Acacia arabica, Muntingiacalabura, Trema orientalis, Dalbergiaspp., Simarouba glauca, Hardwikiabinata and Madhuca latifolia werereported. He also studied thedevelopmental stages of somaticembryogenesis in Dalbergia sissooby light and scanning electronmicroscopy.

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He achieved in vitro regeneration frommature explants via organogenesis andsomatic embryogenesis through calluscultures in many species of bambooand reported in vitro flowering in threespecies of bamboo i.e. Bambusa vulgaris,Dendrocalamus giganteus andDendrocalamus strictus. The isozymeprofile during somatic embryogenesisand flowering of Bambusa vulgaris wasreported.

Professor Das established successfulprocedures for in vitro regenerationfrom callus cultures of some important medicinal plants like Cephaelisipecacuahna, Psoralea corylifolia, Plumbago zeylanica, Centella asiatica,Dioscorea spp., Typhonium trilobatum, ginger (Zingiber officinale) andturmeric (Curcuma longa). He studied the genetic stability ofmicropropagated plants through RAPD markers in both the explantsource and regenerated plants of ginger and also recorded the metabolicchanges during in vitro propagation of Curcuma longa. His works onthe biochemical and molecular changes and factors effectingdevelopment, proliferation and maturation of somatic embryos in vitroare being widely referred.

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He established rapid and efficient tissue culture methods for large scalepropagation of many commercially important cultivars of banana (Musaacuminata) through shoot multiplication. In vitro raised plants wereproduced on commercial scale at the Centre. The isozyme profilesduring shoot regeneration in Musa acuminata cv. Dwarf Cavendish werereported besides evaluation of genetic stability through chromosomemorphology and karyotype studies in the micropropagated plants.

He reported regeneration of plantlets from callus cultures of Partheniumargentatum from stem explants and Crotolaria spp. from root hypocotyleand cotyledon explants. Micropropagation of elite female plants ofSimmondsia sinensis (Jojoba) using nodal segments was alsostandardized. Dr. Das developed efficient protocols for in vitro plantregeneration via organogenesis and somatic embryogenesis from callusand cell suspension cultures to develop metal tolerance in Echinochloacolona .

Professor Das standardized tissue culture protocols and conventionalmethods for large-scale propagation, cheap and inexpensive hardeningand acclimatization procedures for several economically importantplant species. The protocols are being used by commercial laboratories,nurseries and plant propagators for mass production of quality plantingmaterials. Besides, the tissue culture laboratory offered opportunitiesfor training of many scientists and technicians both at the state andnational level.

Fuel wood/ Biomass production in Wastelands &Agro forestry systemThe research work of Dr Das on fuelwood production on wastelandpertains to screening and evaluationof suitable species, standardisationof spacing, response of differentspecies to varying levels of irrigationand fertilisers, physiological and

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19biochemical aspects ofproductivity, role ofmicro-organisms onplant growth andbiomass yield. He madea comparative evaluationof some 31 promisingfuel wood species for thebiomass productionpotential under theprevailing climaticconditions of coastalOdisha. Dr Das studiedthe effect of plant densityon the growth andbiomass yield anddeveloped predictionequations for estimationof above ground biomassof some fire wood species. He evaluated the biomass productionpotential of male, female and hermaphrodite plants of Casuarinaequisetifolia and reported higher biomass yield in male plants comparedto their female and hermaphrodite counterparts; males were identifiedfor captive plantations. In order to popularise fuelwood plantation onmarginal and wastelands with minimal input. Dr Das took up energyplantation demonstration programmes in Odisha and organisedtraining programmes on fuel wood production, utilisation and nurserytechnologies.

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Conservation of Odisha MangrovesProfessor Das made significantcontributions to the study ofmangroves of costal Odisha. Hecarried out floristic survey in themangrove forests of Bhitarkanikaand Mahanadi Delta of Odisha andrecorded occurrence of 60 speciesof true mangroves and theirassociates. He standardisedvegetative propagation methods for a number of mangrove speciesthrough rooting of cuttings under mist and fog and studied thebiochemical changes during rooting in stem cuttings. Dr. Das took up a

re-vegetation programme in degraded sitesat Paradeep and re-established mangrovevegetation through replanting of selectedspecies and studied their growthperformance. The chromosome number andmorphology and nuclear DNA content inmany species of mangroves were reportedfor the first time. He established MangroveResearch Centre in Odisha to assess the

biological diversity including the microbial diversity in the mangroveecosystem, study natural regeneration and succession and impact ofpollution due tomining and otheri n d u s t r i a la c t i v i t i e s . H eorganized manyprograms to peoplefor judiciousutilization to helpconserve mangrovesfor the posterity

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Heavy Metal Pollution/Environmental BiologyProf Das studied the impacts of mining on plant communities and theenvironment at the major mine sites in Odisha namely, coal mines atSouth Balanda, Talcher; chromite mines at Sukinda and iron andmanganese mines at Joda. The ecology of the native plant communitiesand the seasonal changes in the physico-chemical properties of mine

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wastes, levels of heavy metals in mine overburdens and their uptakeand accumulation by different species of plants and relatedenvironmental problems were studied. He took up large scale plantationof trees, shrubs, climbers and herbs on mine overburdens and identifiedthe limiting factors for growth and development of plants andrecommended site specific species for reclamation and re-vegetation onmine wastes. He investigated effects of heavy metals (Cu, Ni, Pb, Cd, Hg,Zn, Ag, Mn, Fe, Mo) on growth and development of crop plants. He alsoemployed in vitromethods forinduction ofmetal tolerance ina number of cropplants and weedsto aid in re-vegetation on thewaste dumps.

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Biofuel ResearchProf Das developed BiofuelAdditives for Diesel Engines thatwhen blended with diesel enhancedmileage of diesel run vehicles by 40percent. The blended fuel helped inreduction of pollution and theengine temperature to possiblyprevent wear & tear and enhancelongivity of the engine. Therecommended 10 percentreplacement of petroleum diesel bybio-additive can help save the nonrenewable fossil fuel & valuableforeign exchange. This technology can solve a host of other Nationalproblems like utilization of marginal/ waste/ barren land, ruralemployment generation, carbon credit, availability of biofertilizer etc.

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The new sources of biofuel additive were derived from Argemonemexicana Linn and Olax scandens Roxb, which produce 40% and 60% ofoil of the seed/ kernel respectively.

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Phytochemicals for use in healthcare needsProf Das through long years ofresearch developed a herbal drugwhich was found to be effectiveagainst lymphatic filariasis asrevealed through serologicalstudies. The identified herbalextracts were tested to be nontoxic and safe which asconfirmed through pharmacological investigations/ clinical trials.Several filarial patients were given free medicine and advice; facilitiesare being augmented for diagnosis and treatment of filarial patients at

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the laboratory of the Science Foundation for Tribal and Rural ResourceDevelopment, Bhubaneswar (SFTRRDB); a Charitable Filaria Clinic andResearch Institute is being set up by the Foundation to provide servicesincluding supply of free medicine to the filarial patients.

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Patents & Products:Prof Das filed 10 Patents on his inventions relating to biofuel additives(8) and a herbal drug for elimination of filariasis (2). He also developed8 products on his inventions.

Patents1. 1373/ KOL/2006

2. WO/2009/ 147685A1

3. 1431/KOL/2008

4. 1569/Mumb/2010

5. 1570/Mumb/2010

6. 1571/Mumb/2010

7. WO/2011/145101

8. WO/2011/145105

9. WO/2011/145106

10. US-2011-0283605

Products1. Bio-Additive I2. Bio-Additive II3. Rid-FilTM

4. VIS-ComTM

5. VIS-MakTM

6. MAHA-Fac3TM

7. VisigTM

8. De Zit

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List of PublicationsResearch Publications:278. Pramanik P, Das P and Kim PJ. (2012). Preparation of biofuel

from argemone seed oil by an alternative cost-effective technique.Fuel 91: 81-86.

277. Das P. (2011). Degummed and transesterified oil of Olax scandensas Bio Additive. Patentscope. Publication No. WO/2011/145106.

276. Das P. (2011). Herbal Composition for treatment of Filariasis.Patentscope. Publication No. WO/2011/145105.

275. Das P. (2011). Detoxified Argemone oil for edible and non-edibleuse PCT.Publication No. WO/2011/145101.

274. Das P. (2011). Detoxified and Transesterified Argemone oil asBio-Additive. United States Patent Application Publication, US2011/0283605 A1.

273. Das P. (2011). In Vitro somatic embryogenesis in some oil yieldingtropical tree species. American J. of Plant Sciences (USA), 2:217-222.

272. Das P. (2010). Mass cloning of Rose and Mussaenda, populargarden plants via somatic embryogenesis. Horticultural Science(Prauge), 37(2): 70-78.

271. Das P. (2010). Somatic embryogenesis in four Tree Legumes.Biotechnology Research International (Japan). 2011: 1-8.

270. Ray D.P. and Das P. (2010). Karyotype Diversity in five newbrinjal varieties. Indian J. Hort, 67: 228-231.

269. Mohapatra R, Bhatnagar, S & Das P. (2010). Antifilarial andLarvicidal Activity of an Indigenous herb, Typhoniun trilobatumSchott. Advances in Plant Sciences. 23(1): 51-52.

268. Rai, S., Das, AB and Das P. (2008). Studies on Genetic Advance,Heritability and Path Coefficient Analysis for Yield in IndianGinger (Zingiber officinale Rose.) Cultivars. J. Hill Research 21(1): 20-25.

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267. Bhatnagar S. and Das P. (2007). Antimalarial activity in TropicalPlants: A review. Journal of Herbs, Spices and Medicinal plants.P.103-132.

266. Mukherjee AK, Acharya LK, Panda PC, Mohapatra T and Das P(2006). Assessment of genetic diversity in 31 species of Mangrovesand their associates through RAPD and AFLP markers.Zeitschrift fur Naturforsch (Germany) 61c: 413-420.

265. Das P, Dey S, Das A. B., Mohanty S. and Prasad Rao HBD (2006).Variation in Chromosome Number, Karyotype and NuclearDNA Content of Five Species of Indian Typhonium Schott.(Araceae)—A Medicinally Important Plant. Cytologia Vol. 71(2006), 4: 371-377.

264. Mattagajasingh, I., Acharya, LK, Mukherjee AK, Panda PC andDas P.(2006). Genetic relationships among nine cultivated taxaof Calliandra Benth. (Leguminosae: Mimosoideae) using randomamplified polymorphic DNA (RAPD) markers. ScientiaHorticulturae, 110: 98-103.

263. Mattagajasingh, I., Mukherjee AK and Das P. (2006). Genomicrelations among 31 species of Mammillaria Haworth (Cactaceae)using random amplified polymorphic DNA. Zeitschrift furNaturforsch. 61c:583-591.

262. Mattagajasingh, I., Acharya L., Mukherjee A. K., Das P. (2005).Genomic Relationship among 25 species of Mammillaria Haw.As revealed by Isoenzyme and Protein polymorphism. J. ofPlant Biotechnology, Vol 7 (2): 105-112.

261. Acharya L. K., Mukherjee A. K. , Panda P. C. and Das P. (2005).Molecular characterization of five medicinally important speciesof Typhonium (Araceae) through random amplified polymorphicDNA (RAPD). Zeitschrift fur Naturforsch. 60c: 600-604.

260. Nayak, S., Naik, P. K., Acharya, L. K., Panda, P. C., Mohapatra,T. and Das, P.(2005). Assessment of genetic diversity among 16promising cultivars of ginger using cytological and molecularmarkers. Zeitschrift fur Naturforsch, 60C: 485-492.

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259. Nayak, S., Naik, P. K., Acharya, L. K., Panda, P. C., Mohapatra,T. and Das, P. (2004). Assessment of genetic diversity among 16promising cultivars of ginger using cytological and molecularmarkers. Zeitschrift fur Naturforsch, 60C: 485-492.

258. Misra, R.C. and Das, P. (2004) Vegetation stratification ofGandhamardana hill range, Orissa using remote sensingtechnique. J. Econ. Taxon. Bot. 28(2): 429-438.

257. Basak, U. C., Gupta, N., Routaray, S and Das, P. (2004).Effects ofsalinity on the growth of mangrove seedlings. J. Trop. ForestSci. 16(4): 437-443

256. Samal, S., Lenka, P.C., Nanda, R. M., Nayak, S & Rout, G. R., andDas, P.(2004). Genetic relatedness in cashew (Anacardiumoccidentale Linn) germplasm collections as determined by randomamplified polymorphic DNA. Genetic Resources and CropEvolution, 51 (2): 161-166.

255. Nanda, R. M., Rout, G. R. and Das, P (2004) In vitro clonalpropagation of Acacia mangium Willd. And its evaluation ofgenetic fidelity through RAPD marker. Annals of Forest Science,61:381-386. UK.

254. Mohanty Suprava, Das, Anath Bandhu, Das, Premananda andMohanty Prasanna. (2004). Effect of a low dose of aluminium onmitotic and meiotic activity, 4C DNA content, and pollen sterilityin rice, Oryza sativa L. cv. Lalat. Ecotoxicology andEnvironmental Safety, 59: 70 -75.

253. Mukherjee,A.K., Acharya, L., Panda, P.C., Mohapatra, T. and Das,P. (2004).Genomic relations among two non-mangrove and ninemangrove species of Indian Rhizophoraceae. Z. Naturforsch, 59c:572-578.

252. Samal S, Rout GR, Nayak S, Nanda RM, Lenka PC and Das P(2003). Primer screening and optimization for RAPD analysis ofcashew. Biologia Plantarum. 46 (2): 301-304.

251. Parida A.K., Das A. B. and Das P. (2003). Salt induced regulationof isoforms of some antioxidative enzymes in a true mangrove,Bruguiera parviflora. Indian J. of Plant Physiology. 288-297.

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250. Basak U.C., Mahapatra S.G and Das P. (2003). Vegetativepropagation of Aegiceras corniculatum a tree mangrove:biochemical and anatomical basis adventitious rooting. Ind J.Forestry. 26(2):168-171.

249. Mukherjee, A.K., Acharya, L.K., Mattagajasingh, I., Panda, P.C.,Mohapatra, T. and Das, P. (2003). Molecular characterisation ofthree species of Heritiera Aiton (Sterculiaceae) using AFLPmarkers Biologia Plantarum. 47(3): 445-448.

248. Ghorbani, J., Das, P., Das, A. B., Hughes, J. H., Mc Allister, H. A.,Pallai, S. K., Pakeman, R. J., Marrs, R. H. and Le Duc.(2003). Effectsof different bracken control and vegetation restoration treatmentson the soil diaspore bank size and composition. Aspects ofApplied Biology 69:29-37.

247. Rout, G.R., Bhattacharya, D., Nanda, R.M., Nayak, S. and Das, P.(2003) Evaluation of genetic relationships in Dalbergia species usingRAPD markers. Biodiversity and Conservation, 12: 197-206.

246. Rout, G.R. and Das, P. (2003). Effect of metal toxicity on plantgrowth and metabolism. I. Zinc. Agronomie, 23: 3-11.

245. Nayak, S., Das, P. and Rout, G.R. (2003) Evaluation of geneticvariability in Bamboo using RAPD markers. Plant Soil,Environment, 49(1):24-28.

244. Nanda, R. M., Rout, G.R., Das, P. (2003) Studies on biochemicalmarkers for embryogenic potential of Acacia catechu. Biologia,58(1): 69-76.

243. Gupta N, Basak U.C., Sabat J. and Das P (2002). Growth andantimicrobial activity of Penicillium sp., an isolate obtained frommangrove ecosystem of Bhitarkanika, Orissa.J. Ind. Bot. Soc.81:59-61.

242. Gupta N, Routray S, Basak U.C. and Das P (2002). Occurrence ofarbuscular mycorrhizal association in mangrove forest ofBhitarakanika, Orissa, India. Ind. J.Mocrobiol. 42(3):247-248.

241. Das, A. B., Mohanty,S. and Das, P.(2002). Cytophotometricestimation of 4C DNA content and karyotype analysis in tencultivars of Trigonella foenum-graecum –II. Iran. J. Botany, 9(2):151-159.

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240. Rout, G.R. and Das, P. (2002). Rapid hydroponic screening formolybdenum tolerance in rice through morphological andbiochemical analysis. Rostlinna Vyroba, 48(11): 505-512.

239. Nayak, S., Rout, G.R. and Das, P. (2002). Microsatellite DNAmarker: Accession No. AJ507486, AJ507487, AJ507488, AJ507489,AJ507490, AJ507491, AJ507492. EMBL Nucleotide SequenceDatabase, UK

238. Basak U.C. and Das P. (2002). In vivo induction of multiple shootsfor scaling up of propagation of tree mangrove Bruguieragymnorrhiza (Linn) Sav.(Rhizophoraceae). Ind. J. Marine Sci.,31(3):249-250.

237. Parida, A., Das, A.B. and Das, P. (2002). NaCl stress onphotosynthetic pigments, proteins and other metabolic changesin the leaves of Bruguiera parviflora: studies under hydroponicculture conditions. J. Plant Biology, (Korea) 45 : 28-36.

236. Das, A.B., Parida, A., Basak, U.C. and Das, P. (2002). Studies onpigments, proteins and photosynthetic rates in some mangrovesand their associates of Bhitarakanika, Orissa. Marine Biology,USA 141(3):415-422.

235. Rout, G. R., Samal, S., Nayak, S., Nanda, R.M., Lenka P.C. andDas, P. (2002). An alternative method of plant DNA extractionof cashew (Anacardium occidentale Linn.) for RAPD analysis.Gartenbauwissenschaft, 67(3): 114-118.

234. Gupta, N., Basak, U.C. and Das, P. (2002). Arbuscular mycorrhizalassociation of mangroves in saline and non-saline soils.Mycorrhiza News, India 13(4): 14-19.

233. Jena, S., Sahoo, P., Mohanty, P., Das, A. B. and Das, P.(2002).Karyotype variation and cytophotometric estimation of in situDNA content in some minor and associate mangroves of India.Cytologia, 67:15-24.

232. Rout, G.R., Palai, S.K., Samantaray, S. and Das, P. (2002). Effectof growth regulators and culture conditions on shootmultiplication and rhizome formation in ginger (Zingiber officinaleRosc.) in vitro. In vitro Cell Dev. Biology-Plant, 37(6): 814-819.

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231. Rout G.R., Reddy, G.M. and Das, P. (2001). Studies on in vitroclonal propagation of Paulownia tomentosa Steud. and evaluationof genetic fidelity through RAPD marker Silvae Genetica,Germany 50(5-6) : 208-212.

230. Rout, G. R. and Das, P.(1996) Augmenting in vitro shootmultiplication by growth regulators and light condition in Musaacuminata cv. Dwarf Cavendish. Acta Biologica CracoviensisSeries Botanica, 43: 21-15.

229. Gupta N. and Das P.(2001) Study on arbuscular microrrhizalassociations in ornamental plants- a survey. J. Phytol. Res., 14(2):171-174.

228. Gupta N;, Sabat J., Basak U.C. and Das P. (2001). Rhizospheremicrobial population in some tree Mangroves of Bhitarkanika,Orissa. J. Phytological Res. 14(1): 35-37.

227. Rout, G.R., Das, G., Samantaray, S. & Das, P. (2001). In vitromicropropagation of Lawsonia inermis (Lythraceae). Int. J. Trop.Biol. & Conserv, 49 : 883-889.

226. Rout, G.R. and Das, P. (2001). Studies on in vitro somaticembryogenesis of Psoralea corylifolia Linn. - An endangeredmedicinal plants. Gartenbau wissenschaft, 66( 4) : 202-206.

225. Samantaray, S., Rout, G.R. and Das, P. (2001). Induction, selectionand characterisation of Cr and Ni-tolerant cell lines of Echinochloacolona(L.) Link in vitro. J. Plant Physiol., 158 : 1281-1290.

224. Rout, G.R., Samantaray, S. and Das, P. (2001). In vitro somaticembryogenesis and plantlet regeneration in callus culture ofMuntingia calabura L. Plant Tiss. Cult. , 6(1): 15-24.

223. Rout, G.R., Palai, S.K. and Das, P. (2001). Onset of in vitro rhizogenesisresponse and peroxidase activity in Zingiber officinale Rosc.International J. Trop. Biology and Conservation, 49: 891-896.

222. Samantaray, S., Rout, G.R. & Das, P. (2001). Heavy metal and nutrientconcentration in soil and plants growing in a metalliferous chromitemine spoils. Environmental Technology, 22: 1147-1154.

221. Rout, G.R., Samantaray, S. & Das, P. (2001). Studies on differentialmanganese tolerance of mung bean and rice genotypes inhydroponic cultures. Agronomie, 21:725-733..

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220. Rout, G.R., Samantaray, S. and Das, P. (2001). Differential leadtolerance of rice and black gram genotypes in hydroponic cultureRostlinna Vyroba, 47: 541-548.

219. Das, A.B., Mukherjee, A. K. and Das, P. (2001). Molecularphylogeny of Heritiera, Aiton (Sterculiaceae) a tree mangrove:variations in RAPD markers and nuclear DNA content. Bot. J.Linn. Society, 136: 221-229.

218. Rout, G.R., Samantaray, S. and Das, P. (2001). Somaticembryogenesis in Cephaelis ipecacuanha A. Richard : effect ofgrowth regulators and culture conditions. J. Herbs, Spices andMedicinal Plants, USA 8(1):59-67.

217. Rout, G.R., Das, G., Samantaray, S. and Das, P. (2001)Micropropagation of Plumbago zeylanica L. by encapsulated nodal99. 220. Das, P., Rout, G.R. & Samantaray, S. (1996)Organogenesis and in vitro flowering in Echinochloa colona; effectof growth regulators and explant types. Biologia Plantarum,38(3): 335-342.

216. Rout, G.R., Samantaray, S. and Das, P. (2001). Aluminiumtoxicity in plants: A review. Agronomie, Italy 21(1) : 3-21.

215. Misra, R.C., Panda, P.C. and Das, P. (2001). A taxonomic studyof the ferns and fern allies of Gandhamardan hills, Orissa. J.Econ. Taxon. Bot. 25(3): 577-590.

214. Deo, B., Panda, P.C. and Das, P. (2001). Analysis of naturalvegetation of an abandoned open cast coal mine in monsoonclimate of eastern India. Proc. Nat. Acad. Sci. India. 71(B)I: 73-80.

213. Das, A. B., Mohanty, S and Das, P. (2001). Cytophotometricestimation of 4C DNA content and karyotype analysis in tencultivars of Trigonella foenum-graecum. Iran. Journ. Bot. 9: 1-9.

212. Senapati, M., Das, A. B. and Das, P. (2000). Association ofvesicular arbuscular mircorrhizal fungi with 21 forest tree species.Indian J. Forestry, 23(3): 326-331.

211. Samantaray, S., Rout, G.R.and Das, P. (2000) Differentialcadmium tolerance of mung bean and rice genotypes inhydroponic culture. Acta Agriculturae Scandinavica (Section-B). 49 : 234-241.

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210. Das AB, Mohanty S., Das P. 2000. Interspecific variations in thechiasma frequency and nuclear DNA content in some species ofFerocactus (Cactaceae). Caryologia (Italy) 53 (2):159-162.

209. Saxena, C., Samantaray, S., Rout, G. R. and Das, P. (2000). Effect ofauxins on in vitro rooting of Plumbago zeylanica , peroxidase activityas a marker for root induction. Biol. Planta., 43(1): 121-124.

208. Rout, G.R., Samantaray, S. and Das, P. (2000). Biotechnology ofthe banana: a review of the recent progress. Plant Biology, 2(5):512-524.

207. Mohanty, S., Das, A.B. and Das, P. (2000). Isozyme polymorphismin Mammilaria spp. of the family cactaceae. The Orissa J. Hort. ,28(1): 1-6.

206. Das A. B., Mohanty , S., Marrs, R.H. and Das, P. (2000).Interspecific Variations of Nuclear DNA Content and Karyotypediversity in Ferocactus, Cytologia, 65: 49-56.

205. Das, A.B., Mohanty, S., and Das, P. (2000). CytophotometricEstimation of 4C DNA Content and Chromosome Analysis inFour species of Astrophytum Lem. of the Family Cactaceae.Cytologia, 65: 141-148.

204. Palai, S.K., Rout, S.K., Samantaray and Das, P . (2000).Biochemical changes during in vitro organogenesis in Zingiberofficinale Rosc. J. Plant Biology, 27: 153-160.

203. Rout, G.R., Samantaray, S. and Das, P. (2000). In vitro somaticembryogenesis from callus cultures of Cephaelis ipecacuanha A.Richard. Scientia Horticulturae, 86: 71-79.

202. Rout, G.R., Samantaray, S. and Das, P. (2000). In vitromanipulation and propagation of medicinal plants.Biotechnology Advances, 18: 91-120.

201. Basak, U. C., Das, A. B. and Das, P. (2000). Rooting response instem cuttings from five species of mangrove trees: effect of auxinsand enzyme activities. Marine Biology, 136: 185-189.

200. Rout, G.R., Samantaray, S. and Das, P. (2000). Effects of chromiumand nickel on germination and growth in tolerant and non-tolerant populations of Echinochloa colona (L.) Link.Chemosphere, 40: 855-859.

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199. Rout, G.R., Samantaray, S. and Das, P. (2000). In vitro rooting ofPsoralea corylifolia Linn.: peroxidase activity as a marker. PlantGrowth Regulation, 30: 215-219.

198. Palai, S. K., Bhuyan, S., Mohapatra, A., Mishra, H. N., Patnaik,A. K. Das, P. (2000). Evaluation of different rose cultivars underBhubaneswar conditions. O.J. Hort. 28(2): 12-21.

197. Das, A. B., Mohanty, S., Tangaraj, T. And Das, P. (2000). Variationof 4C DNA content and karyotype in nine cultivars of fenugreek(Trigonella foenum-graeceum L.). J. Herbs Spices and MedicinalPlants 7(2):25-32.

196. Samantaray, S., Rout, G.R.and Das, P. (2000). Studies ofdifferential tolerance of mung bean cultivars to metalliferousmine wastes. Agribiological Research, 54 (3-4): 193-201.

195. Rout, G.R., Samantaray, S. and Das, P. (1999). Chromium, nickeland zinc tolerance in Leucaena leucocephala (K8) Silvae Genetica,48: 151-157.

194. Palai, S. K., Mohapatra, A., Patnaik, A. K. and Das, P. (1999).Evaluation of spray chrysanthemums for commercialfloriculture under Bhubaneswar conditions. Orissa J. Hort. ,27 (1): 34-36.

193. Patra, A., Rai, V. and Das, P. (1999). Metabolic changes during invitro regeneration of Centella asiatica (Linn.) Urb. Orissa J. Hort. ,27 (1): 37-43.

192. Rout, G.R., Samantaray, S. and Das, P. (1999). In vitro selectionand biochemical characterization of zinc and manganese adaptedcallus lines in Brassica sp. Plant Science, 137: 89-100.

191. Das, A.B., Basak, U.C. and Das, P. (1999).Genetic erosion of wet-land biodiversity in Bhitarkanika forest of Orissa, India. Biologia,54(4): 415-422.

190. Panda, P. C. and Das, P. (1999). Medicinal plant-lore of the tribalsof Baliguda Sub-Division, Phulbani District, Orissa. J. Econ. Tax.Bot. , 23 (2): 515-521.

189. Panda, P. C. and Das, P. (1999). Further additions to thebibliography of floristic and ethnobotanical studies in Orissa. J.Econ. Tax. Bot. , 23 (2): 523-526.

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188. Rout,G.R., Samantaray, S. and Das, P. (1999). Cytological analysisand cytophotometric estimation of DNA from calluses and theregenerants of Simarouba glauca, in vitro. Cytobios, 98: 149-158.

187. Rout, G.R., Saxena, C., Samantaray, S. and Das, P. (1999). Rapidplant regeneration from callus cultures of Plumbago zeylanica.Plant Cell Tiss. Org. Cult. , 56: 47-51.

186. Das, P. , Rai, S. & Das, A.B. (1999). Cytomorphological barriersin seed set of cultivated ginger (Zingiber officinale Rosc.) IranianJ. Bot. , 8 (1): 119-129.

185. Rout, G.R., Samantaray, S., Mottley, J. and Das, P. (1999).Biotechnology of the rose: a review of recent progress. ScientiaHorticulturae, 81: 201-228.

184. Samantaray, S., Rout, G. R. and Das, P. (1999). Changes in isozymepatterns during in vitro regeneration from cotyledon explants ofBrassica species. Biologia Plantarum, 42(2): 169-176.

183. Basak, U. C., Das, A. B. and Das, P. (1999). Organic constituentsin leaves of 9 mangrove species of Orissa coast. Pak. J. Bot., 31(1):55-62.

182. Rout, G.R., Samantaray, S, Meshram, A. and Das, P. (1999).Microbes as components in sustainable development ofwastelands. Acta Microbiologica Polonica, 48 (1): 5-18.

181. Das, A.B., Mohanty, S. and Das, P. (1999). Chromosome number,karyotype and nuclear DNA content in some Adenium species ofthe family Apocynaceae. Cytobios, 98: 95-104.

180. Samantaray, S. , Rout, G.R. and Das, P. (1999). In vitro selectionand regeneration of zinc tolerant calli from Setaria italica L. PlantScience, 143: 201-209.

179. Das, A.B., Mohanty , S. and Das, P. (1999). Studies on ChiasmaFrequency and Nuclear 4C DNA Amount in Seven Species ofMammillaria. Cytobios, 97: 95-101.

178. Rout, G.R., Samantaray, S. and Das, P. (1999) Root induction inmicroshoots of Simarouba glauca L. in vitro : peroxidase as amarker for rooting. Silvae Genetica, 48 (1): 14-17.

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177. Das, P., Palai, S. K., Patra, A., Samantaray, S. and Rout, G.R. (1999)In vitro somatic embryogenesis in Typhonium trilobatum Schott.Plant Growth Regulation, 27(3): 193-197.

176. Rout, G.R., Saxena,C., Samantaray, S. and Das, P. (1999) Rapidclonal propagation of Plumbago zeylanica L. Plant GrowthRegulation, 28 (1): 1- 4.

175. Patnaik, C. and Das, P. (1999) Effect of manganese minewasteon seed germination, growth and biomass yield of Oryzae sativacv. Pathara. Proc. Natl. Acad. Sci., 69 : 275-281.

174. Das, A.B., Mohanty, S., Marrs, R.H. and Das, P. (1999) SomaticChromosome Number and Karyotype Diversity in Fifteen Speciesof Mammillaria of the Family Cactaceae. Cytobios, 97: 141-151.

173. Das, A.B., Mohanty, S. and Das, P. (1999) Karyotype Diversity inThirteen Species of Mammillaria of the Family Cactaceae.Cytobios, 97: 117-125.

172. Samantaray, S., Rout, G. R. and Das, P. (1999) Studies on the uptakeof heavy metals by various plant species on chromite minesoils insub-tropical regions of India. Environmental Monitoring andAssessment, 53(3): 389-399.

171. Samantaray, S., Rout, G. R. and Das, P. (1999) Chromium andnickel tolerance of Trema orientalis (Blume) in tissue culture. ActaPhysiologia Plantarum, 21(1): 27-35.

170. Rai, S., Das, A. B. and Das, P.(1999) variation of chlorophylls,carotenoids, proteins and secondary metabolites amongst ginger(Zingiber officinale Rosc.) cultivars and their as sessions withrhizome yield. New Zealand J. Crop & Hort. Sci.,27(1):79-82.

169. Rout, G. R. and Das, P.(1999) Effect of Ag NO3 on high frequencyplant regeneration of Simarouba glauca Linn. J. Appl. Bot., 73: 15-19.

168. Das, A. B., Mohanty, S. and Das, P. (1999) 4C DNA Variationand Karyotype Diversity in Nine Species of Ferocactus B. & R.Cytologia, 64: 17 -24.

167. Das, A. B., Rai, S. and Das, P. (1999) Genetic advance, heritabilityand path analysis in ginger (Zingiber officinale Rosc.). J. PlantationCrops, 27(1): 27-30.

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166. Das, A.B., Rai, S. and Das, P. (1999) Karyotype analysis andcytophotometric estimation of nuclear DNA content in somemembers of Zingiberaceae. Cytobios, 97: 23- 33.

165. Das, A.B., Mohanty, S. and Das, P. (1998) Interspecific variationof nuclear DNA and structural changes in meiotic and mitoticchromosomes in some species of Mammillaria (Cactaceae).Caryologia, 51(3-4): 289-301.

164. Das, A.B. and Das, P. (1998) Nuclear DNA content and chiasmabehaviour in six species of Gymnocalycium Pfeiff. of the familyCactaceae. Caryologia, 51: 159-165

163. Misra, R. C. and Das, P. (1998) Vegetation status ofNurshinghanath-Harishankar complex, Orissa. J. Econ. Tax. Bot.,22 (3): 547-554.

162. S.K. Palai, S. Pattanaik, A.K. Pattnaik and P. Das (1998). Efficientplant regeneration through callus culture in Gerbera (Gerberajamesonii). Orissa J. Hort., 26(1): 82-87.

161. Das, A. B., Mohanty, S. and Das, P. (1998). New report onchromosome number, karyotype and 4C DNA content in 3 speciesof Pachypodium Lindley. Caryologia, 51(3-4): 245-252.

160. Das, P. and Das, A. B. (1998) Esterase marker during callusmediated regeneration of Typhonium trilobatum Schott.-amedicinal plant. Orissa J. Hort. , 27(2): 50-55

159. Samantaray, S., Rout, G. R. and Das, P. (1998) Differentialnickel tolerance of mung bean (Vigna radiata L.) genotypes innutrient culture. Agronomie, 18: 537-544.

158. Misra, R. C. and Das, P. (1998) Inventory of rare and endangeredvascular plants of Gandhamardan Hill ranges in Western Orissa.J. Econ. Tax. Bot. , 22(2): 353-357.

157. Rout, G.R., Samantaray,S. and Das, P. (1998) In vitro propagationof woody ornamentals: A review. Proc. Natl. Acad. Sciences(India), 68(2): 91-106.

156. Rout, G.R., Samantaray, S. and Das, P. (1998). In vitro selectionand characterization of Ni-tolerant callus lines of Setaria italica L.Acta Physiologiae Plantarum, 20(3): 269-275.

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155. Basak U.C., Das A.B. and Das P. (1998). Seasonal changes in theorganic constituents in leaves of 9 mangrove species. Marine &Freshwater Research, 49: 369-372.

154. Das, A. B., Mohanty, S. and Das, P. (1998). Variation in Karyotypeand 4C DNA Content in Six Species of Melocactus of the FamilyCactaceae. Cytologia, 63: 9-16.

153. Basak U.C., Das A.B.and Das P. (1998). In situ quantitization ofDNA and karyotype analysis in 4 threatened mangrove speciesfound in Bhitarkanika forests of Orissa. Cytobios, 93: 147-155.

152. Das A. B., Mohanty S. and Das, P. (1998). Interspecific Variationin Nuclear DNA Content and Chromosome Analysis inMelocactus Cytologia, 63: 239-247.

151. Das A. B., Rai, S. and Das, P. (1998). Karyotype analysis and 4CDNA content in some cultivars in ginger (Zingiber officinale Rosc.)Cytobios, 93: 175-184.

150. Rout, G.R., Samantaray, S., Patra, A. and Das, P. (1998).Chromosome variation and cytophotometric investigation ofcallus cultures of the teaplant (Camellia sinensis). Cytobios, 93:73-82.

149. Das A.B., Rai S. and Das, P. (1998) Estimation of 4C DNA andkaryotype analysis in ginger (Zingiber officinale Rosc.) - II.Cytologia, 63:133-139.

148. Das A. B., Basak U. C.and Das, P. (1998) Karyotype analysis andestimation of nuclear DNA content in six species of Acacia (Fabaceae). The Iranian J. Bot., 7(2): 165-177.

147. Misra, R.C and Das, P. (1998) Phytogeographical affinities ofplants of Gandhamardan hill ranges of Orissa with major Indianmountains. J. Econ. Tax. Bot., 22 (1): 23-26.

146. Samantaray, S., Rout, G.R and Das, P. (1998) Tolerance of rice tonickel in nutrient solution. Biologia Plantarum, 40(2): 295-298.

145. Rout, G.R, Samantaray, S and Das, P. (1998) Role of nickel onsomatic embryogenesis in Setaria italica L. in vitro. Euphytica,101: 319-324.

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144. Saxena, C., Rout, G. R and Das, P. (1998) Micropropagation ofPsoralea corylifolia Linn. J. Medicinal and Aromatic Plant Species,20(1): 15-18.

143. Rout, G.R, Samantaray, S, Mottley, J., Sarsan, V., Yokoya, Y.,Roberts, A.V and Das, P. (1998) Histology of in vitroorganogenesis and somatic embryogenesis in callus cultures ofRosa. Biologia, 53(1): 121-126.

142. Das, P., Rout, M.C, Samantaray, S. and Rout, G.R (1998) Effectof sex and age on growth and biomass production in Casuarinaequisetifolia(L.)Forst. Common Wealth Forestry Review, 77(1):29-31.

141. Samantaray, S., Rout, G.R and Das, P. (1998) Role of chromiumon plant growth and metabolism: A review. Acta PhysiologiaePlantarum, 20(2): 201-212.

140. Samantaray, S., Pani, S.S., Rout, G.R. and Das, P. (1998) Effect ofheavy metals on root growth of Italian millet (Setaria italica L.) .Fresenius Environmental Bulletin, 7: 295-301.

139. Rout, G.R, Das, P., Goel, S. and Raina, S.N. (1998) Determinationof genetic stability of micro-propagated plants of ginger usingRandom Amplified Polymorphic DNA (RAPD) markers.Botanical Bulletin of Academia Sinica, 39: 23-27.

138. Samantaray, S., Rout, G. R. & Das, P. (1998) Plant regenerationfrom callus of Crotalaria spp. Biologia, 53(1): 115-120.

137. Rout, G.R., Samantaray, S. and Das, P. (1998). Regeneration of ametal tolerant grass Ehinochloa colona via somatic embryogenesisfrom suspension culture. Biologia Plantarum, 40 (1): 17-23.

136. Patra, A., Rai, B., Rout, G.R and Das, P.(1998) Successful Plantregeneration from callus cultures of Centella asiatica (L.) Urban.Plant Growth Regulation, 24:13-16.

135. Das, A. B., Mohanty, S., Das, P. (1998). Interspecific variation ofnuclear DNA and structural changes in meiotic and mitoticchromosome in some species of Mammillaria (Cactaceae) (Italy).51(3-4):289-301.

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134. Das A.B., Pattnaik M., Thangaraj T. and Das P. (1997).Cytophotometric estimation of nuclear DNA content andkaryotype analysis of 8 cultivars of Trigonella foenum-graecum L.Cytobios, 91: 171-179.

133. Pattnaik, M., Das A.B. and Das, P. (1997). Karyotype analysisand 4C DNA variability in some succulent members of thetribe Stapelieae. Cytobios, 91: 87-95.

132. Das, P., Samantaray, S. and Rout, G.R. (1997). Studies oncadmium toxicity in plants: A review. Environmental Pollution,98: 29-36.

131. Mohanty, S., Das, A.B. and Das, P. (1997). Studies on NuclearDNA and Meiotic Chromosomes in 8 Species of Mammillaria.Cytologia, 62: 331-336.

130. Das, P., Rout, G.R and Samantaray, S. (1997). Plant regenerationvia somatic embryogenesis from mature explants of Bambusavulgaris. Orissa J. Hort. , 25(2): 53-56

129. Das, P., Patra, A., Das, A.B., Palai, S.K. and Bose, T. (1997). Invitro regeneration of Typhonium trilobatum Schott, a medicinalplant through callus culture. Orissa J. Hort. , 25(2): 57-61

128. Das, P., Basak, U. C. & Das, A. B. (1997) Restoration of mangrovevegetation in Mahanadi delta of Orissa, India. Mangroves andSalt Marshes, 1:155-161.

127. Das, A. B., Mohanty, S. & Das, P. (1997) Meiotic Behaviour andNuclear DNA Variation in Some Species of Mammillaria(Cactaceae). Cytologia, 62: 253-257.

126. Rout, G. R. & Das P. (1997) In vitro plant regeneration viacallogenesis and organogenesis in Bambusa vulgaris. BiologiaPlantarum, 39(4): 515-522.

125. Samantaray, S. & Das, P. (1997). Accumulation of heavy metals(Cr, Ni and Fe) in mung bean (Vigna radiata cv. Local) grown onmetalliferous minespoil. Fresenius Envir. Bull. , 6: 633-641.

124. Saxena, C., Palai, S. K., Samantaray, S., Rout, G. R. & Das, P.(1997) Plant regeneration from callus cultures of Psoralea corylifoliaLinn. Plant Growth Regulation, 22: 13-17.

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123. Rout, G. R. & Das, P. (1997) In vitro organogenesis in Ginger(Zingiber officinale Rosc.) J. Herbs, Spices & Medicinal Plants,4(4): 41-51.

122. Rout, G. R., Palai, S. K., Pandey, P. & Das, P. (1997) Direct plantregeneration of Chrysanthemum morifolium Ramat cv. Deep Pink: influence of explant source, age of explant, culture environment,carbohydrates, nutritional factors and hormone regime. Proc. Nat.Acad. Sci., India, 67(B),1: 57-66.

121. Rai, S., Das, A. B. & Das, P. (1997) Estimation of 4C DNA andkaryotype analysis in ginger (Zingiber officinale Rosc.) - I.Cytologia, 62: 133-141.

120. Rout G. R. & Das, P. (1997) Recent trends in the biotechnology ofChrysanthemum : a critical review. Scientia Horticulturae, 69:239-257.

119. Rout G. R., Samantaray S. and Das P. (1997) Differentialchromium tolerance of mungbean (Vigna radiata L.) genotype innutrient culture. J. Plant Nutrition, 20: 473-483.

118. Panda, P. C., Mohapatra, B. K. and Das, P. (1997). Newdistributional records of plants from Orissa. J. Bombay Nat. Hist.Soc. 94(2): 445-446.

117. Das P., Basak U. C. & Das A. B. (1997) Metabolic changes duringrooting in pregirdled stem cuttings and air-layers of Heritiera. Bot.Bull. Acad. Sin. , 38: 91-95.

116. Das P., Samantaray S., Roberts, A. V., Rout G. R. (1997) In vitrosomatic embryogenesis of Dalbergia sissoo Roxb. - a multipurposetimber yielding tree. Plant Cell Reports, 16: 578-582.

115. Panda, P.C. & Das, P. (1997) Addition to the bibliography ofsystematic botany in Orissa. J. Econ Tax. Bot., 21: 129-142.

114. Mohanty S., Das, A.B. and Das P. (1997) Estimation of 4C DNAcontent and determination of chiasma frequency in eight speciesof Mammillaria. Cytobios, 91: 15-23.

113. Panda, P.C. & Das, P. (1997). Identity, Nomenclature anddistribution of some endangered and endemic flowering plantsof Orissa and its adjoining states in India. Rheedea, 7(1): 57 - 63.

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112. Samantaray,S., Rout, G.R.& Das, P. (1997) Regeneration of plantsvia somatic embryogenesis from leafbase and leaftip segmentsof Echinochloa colona. Plant Cell, Tiss. & Org. Cult. , 47: 119-124.

111. Samantaray, S., Rout, G.R. & Das, P. (1997) Manganese toxicityin Echinochloa colona: effect of divalent manganese on growth anddevelopment. Israel J. Plant Sci. , 45: 9-12.

110. Das, A. B.and Das, P. (1997) Estimation of nuclear DNA andkaryotype analysis in nine cultivars of Musa acuminata. Cytobios,90: 181-192.

109. Rout G. R., Samantray S and Das P. (1996). In vitro somaticembryogenesis and plantlet regeneration in callus cultures ofMuntingia calabura L. Plant Tissue Culture. 6 (1): 15-24.

108. Palai, S.K., Rout, G.R. and Das, P. (1996) In vitro plant regenerationof Dianthus caryophyllus cv. Alas Red through callus culture. Ind.J. Hort., 53: 1-7.

107. Mohanty, S., Das, A.B. & Das, P. (1996) Analysis of chiasmafrequency and nuclear DNA variation in some species ofMammillaria. Cytobios, 88: 173-181.

106. Samantaray, S., Rout, G. R. & Das, P. (1996) A study of soil-plant, root-shoot relationships in rice (Oryza sativa cv. Pathara)grown on chromiferous mine spoil. Proc. Nat. Acad. Sci., India,66(B) IV: 349-357.

105. Panda, P.C. & Das, P. (1996) Two additional species ofBrassicaceae for the flora of Orissa. Journ. Bombay Nat. Hist.Soc., 93 (2): 314-316 .

104. Das A. B., Basak U. C. & Das, P. (1996) Karyotype analysis and4C nuclear DNA estimation in 3 species of Acanthus a mangroveassociate from coastal Orissa. Cytobios, 87: 151-159.

103. Das, P., Samantaray, S. & Rout G.R. (1996) In vitro propagation ofAcacia catechu, a xerophilous tree. Plant Tiss. Cult., 6: 117-126.

102. Misra R. C. & Das, P. (1996). New plant records for Orissa state.J. Econ.Tax. Bot., 20: 635-637.

101. Basak U. C., Mohapatra, S. G. & Das, P. (1996) Effect of plantgrowth regulator on rooting of Heritiera fomes Buch.-Ham. Ind.J. Forestry, 19: 249-252.

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100. Samantaray, S., Rout, G.R. & Das, P. (1996) Root growth ofEchinochloa colona, effect of heavy metals in solution culture.Fresenius Envir Bull. , 5: 469-473.

99. Das, P., Rout, G.R. & Samantaray, S. (1996) Organogenesis and invitro flowering in Echinochloa colona; effect of growth regulators andexplant types. Biologia Plantarum, 38(3): 335-342.

98. Rout, G.R., Rout, M. C. & Das, P. (1996) Metabolic changesduring rooting in stem cuttings of Casuarina equisetifolia L. : effectof auxin, the sex and the type of cutting on rooting. Plant GrowthRegulation, 19: 35-43.

97. Basak, U.C., Das, A.B. & Das, P. (1996) Chlorophylls, carote-noids,proteins and secondary metabolites in leaves of 14 man-grovespecies of Orissa. Bull. Marine Science, 58 (3): 654-659.

96. Das, P., Rout, G.R. & Samantaray, S. (1996) Regeneration ofplantlets from callus cultures of Dalbergia spp in vitro. Biolo-gia,51(1): 49-54

95. Sahoo A. K. Pradhan L, Pattnaik R. K., Das P. (1996). Effect ofdifferent spacings on growth, biomass yield and allocationpattern in Leucaena leucocephala (K-8). Environment & Ecology.14(2):459-462.

94. Rout, G.R., Palai, S.K., Samantaray, S. and Das, P. (1995) Metabolicchanges during In vitro multiplication of Curcuma longa cvs.Suroma and PTS- 28. Acta Botanica Hungarica, 39(3-4): 383-392.

93. Das, A. B., Basak, U.C. & Das, P. (1995) Variation in nuclear DNAcontent and karyotype analysis in three species of Avicennia, atree mangrove of coastal Orissa. Cytobios, 84: 93-102.

92. Rout, G.R., Samataray, S. & Das, P. (1995). Regeneration of Tremaorientalis (Blume) Linn., effect of growth regulators, cultureconditions, age and source of explants. Israel J. Plant. Sci., 43:391-395.

91. Rout, G. R., Samantaray, S. & Das, P. (1995) In vitro regenerationof Leucaena leucocephala K8 (Lam.) de Wit., effect of growthregu-lators and illumination on organogenesis. Proc. Nat. Acad.Sci.,India, 65(BIII): 325-331.

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90. Das, A.B., Basak, U.C. & Das, P. (1995) Karyotype diversity andgenomic variability in some Indian tree mangroves. Caryologia,48(3-4): 319-328.

89. Rout, G.R., Samantaray, S. & Das, P. (1995). Effect of growthregulators, culture environment on somatic embryogenesis ofAcacia catechu Willd. Israel J. Bot., 43(3): 263-269.

88. Panda, P.C. & Das, P. (1995). Some additions to the flora of OrissaJ. Econ.Tax. Bot., 19(2): 479-480.

87. Das, A. B., Rout, G.R. & Das, P. (1995). In vitro somaticembryogenesis from callus culture of a timber yielding treeHardwickia binata Roxb. Plant Cell Reports, 15(1-2): 147-149.

86. Rout, G.R., & Das, P. (1995). In vitro micropropagation frommature of Simarouba glauca Linn.-an oil yielding tree. BangladeshJ. Bot., 24(2): 137-141.

85. Basak, U.C., Das, A.B. & Das, P. (1995). Metabolic changesduring rooting in stem cuttings of 5 mangrove species of Orissa.Plant Growth Regulation, 17(2): 141-148.

84. Rout, G.R., Samantaray, S. & Das, P. (1995). Somaticembryogenesis and plant regeneration from callus culture ofAcacia catechu. Willd.- a multipurpose leguminous tree. PlantCell, Tiss. & Org. Cult., 42(3): 283-285.

83. Das, A. B, Basak, U.C. & Das, P. (1995). Chromosome numberand karyotype diversity in the members of Rhizophoraceae foundin mangrove forest of Orissa. Cytobios, 81: 27-35.

82. Samantaray, S., Rout, G.R. & Das, P. (1995). An in vitro studies oforganogenesis in Trema orientalis (Blume) Linn. Plant Science,105: 87-94.

81. Samantaray, S., Rout, G.R. & Das, P. (1995). In vitro plantregeneration from leafbase and mesocotyl callus of Echi-nochloacolona. Plant Cell, Tiss. & Org. Cult., 40(1): 37-41.

80. Rout, G.R., and Das, P. (1995). Isozyme profile during somaticembryogenesis and in vitro flowering of Bambusa vulgaris. J. PlantBiochem. and Biotech., 4(1): 43-45.

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79. Das, A.B., Basak, U.C., & Das, P. (1994). Karyotype diversity in 3species of Heritiera, a common mangrove of Orissa. Cytobios,80: 71-78.

78. Das, P. and Rout, G.R. (1994). Analysis of current methods andapproaches on the micro-propagation of bamboo. Proc. Nat.Acad. Sci., India, 64(3): 235-246.

77. Das, A.B. & Das, P. (1994). Estimation of 4C DNA content andkaryotype analysis in some table banana varieties (Musaacumi-nata). Cytobios, 78: 213-220.

76. Rout, G. R. and Das, P. (1994). Somatic embryogenesis and invitro flowering in 3 species of bamboo. Plant Cell Reports, 13:683-686.

75. Rout, G. R. and Das, P. (1994.) Somatic embryogenesis from calluscultures of Simarouba glauca Linn. Ind. J. Exp. Biol., 32: 581-583.

74. Rout, G.R. and Das, P. (1994). Direct plant regeneration fromcotyledon explants of Simarouba glauca Linn in vitro. Proc. Nat.Acad. Sci., India, Vol.64 B (I), 127-131.

73. Mishra, R. C., Panda, P.C. and Das, P. (1994). Lesser knownmedicinal uses of plants among the tribals of Gandhamardanhill ranges, Orissa. Higher Plants of Indian Subcontinent Ind. J.Forestry, No.VI, 3: 135-142.

72. Rout, G. R. and Das, P. (1994). Somatic embryogenesis in Simaroubaglauca Linn. Plant Cell, Tiss. & Org. Cult., 37(1): 79-81.

71. Rout, G. R. and Das, P. (1994). Regeneration of Partheniumargentatum. A. Gray from stem explants. Proc. Nat. Acad. Sci.,India, 63B (III), 333-336.

70. Das, P. , Samantaray, S. and Rout, G. R. (1993) Effects ofcarbohydrates on somatic embryogenesis in Rosa hybrida cv.Landora. Biome, 6(2): 73-77.

69. Patnaik, C., Panda, P.C., Mallick, U.C. and Das, P. (1993) Floraand vegetation of an abandoned open-cast manganese mine siteat Joda, Keonjhar District (Orissa) with notes on some anomalousplant morphological features. J. Econ. Tax. Bot., 17 (3): 573 - 579.

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68. Rout, G.R. and Das, P. (1993) Micropropagation of Madhucalongifolia (Koenig.) MacBride var. latifolia Roxb. Plant CellReports, 12: 513-516.

67. Das, P., Rout, G. R. and Das, A. B. (1993) Somatic embryogenesisin callus culture of Mussaenda erythrophylla L. cvs. Queen Sirikit& Rosea. Plant Cell, Tiss. & Org. Cult., 35: 199 -201.

66. Misra, R.C. and Das, P. (1992). Impact of mining on vegetation:A floristic account of Sargipalli lead mine and its neighborhood.J. Environ. Sciences. 5(1&2): 7-14.

65. Das, P., Panda, P.C., Samantaray, S., Deo, B., Mallick, U.C. andBradshaw, A.D. (1992) Revegetation of mined land in a monsoonclimate - a preliminary report on chromite, coal and manganeseover-burdens in Eastern India. Orissa J. Hort., 20(2): 32-38.

64. Das, A.B. & Das, P. (1992) Rapid multiplication of Musa acuminata‘Dwarf Cavendish’ through meristem culture and eval-uationof chromosomal stability. Orissa J. Hort., 20(2): 22-27

63. Rout, G.R., Samantaray, S. & Das, P. (1992) Chlorpromazineinduced in vitro bud break in Rosa hybrida L. cv. Landora. OrissaJ. Hort., 20(2): 8-16.

62. Rout, G.R., Mallick, U.C. & Das, P. (1992) In vitro plantregeneration from leaf callus of Cephaelis ipecacuanha A. Richard.Adv. Pl. Sci., 5(2): 608-613.

61. Rout, G.R., Debata, B. K. & Das, P. (1992) In vitro regeneration ofshoots from callus cultures of Rosa hybrida L. cv. Landora. Ind. J.Exp. Biol., 30: 15-18.

60. Singh Samant, P. K. and Das, P. (1991) Interaction of growthretardants and growth promoting substances in Barleria cristata.Orissa J. Hort. , 19(1&2): 22-26.

59. Samantaray, S. and Das, P. (1991) Effect of chromite mine wasteon seed germination, growth, biomass yield of Oryza sativa L. cv.Pathara. Orissa J. Agri. Res., 4(1-2): 1-6.

58. Sahoo, A.K., Mohanty, P.K. and Das, P. (1991) Role of plantpopulation on growth, dry matter production and energyaccumula-tion pattern of Acacia auriculiformis. Orissa J. Agri.Res.,4(3-4):192-198.

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57. Rout, G. R., Debata, B. K. & Das, P. (1991) Somatic embryogenesisin callus cultures of Rosa hybrida L. cv. Landora. Plant Cell, Tiss.& Org. Cult. , 27: 65-69.

56. Dash, G.C., Rout, M. C. and Das, P. (1991) Biomass equation forCasuarina equisetifolia. Ind. J. Forestry, 14(1): 28-32.

55. Das, P. and Rout, G.R. (1991) Mass multiplication and floweringof bamboo in vitro. Orissa J. Hort., 19(1&2): 118-121.

54. Das, A. B. and Das, P. (1991) Shoot multiplication andregeneration related isozyme markers in meristem culture ofMusa acuminatacv.’Dwarf Cavendish’. Orissa J. Hort., 19(1&2),107-117.

53. Panda, N., Debata, B. K. & Das, P. (1990). Regeneration of plantsfrom callus cultures of Mussaenda philippica cv. Aurorae. OrissaJ. Hort., 19(1&2): 1-5.

52. Singh Samant, P. K., Dash, D. K., Mishra, H. and Das, P. (1990).Studies on anatomical changes during rooting in stem cuttingsof Calliandra haematocephala and Pentas carnea by application ofIBA. Orissa J. Hort., 18: 12-17.

51. Samantaray, S., Mallick, U.C. and Das, P. (1990). Effect ofrhizobium on growth and biomass yield of mung bean (Vignaradiata L.) on chromite mine waste. Orissa J. Agri. Res., 3(3-4):252-257.

50. Rout, G.R., Debata, B. K. & Das, P. (1990). In vitro clonalmultiplication of roses. Proc. Nat. Acad. Sci., India , 60B(3), 311-319.

49. Dash, G.C., Rout, M. C., Sahoo, A. K. and Das, P. (1990). Acomparative study of biomass functions for Samanea saman andCasuarina equisetifolia. AMSE Transactions, 4 (3): 55-64.

48. Dash, G. C., Rout, M. C. & Das, P. (1990) Mathematical analysisfor the computation of light absorption by a canopy. Proc.Bioenergy Soc. Ind., pp.480-485.

47. Sahoo, A.K., Mohanty, P.K., Behera, P.K. and Das, P. (1989)Photosynthesis and growth analysis of Cassia and Gliricidia grown

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under different levels of irrigation and nitrogen. Proc. BioenergySoc. Ind., pp.160-163.

46. Sahoo, A.K., Mohanty, P.K. and Das, P. (1989) Biomass predictionequations for Acacia auriculiformis and Sterculia foeti-da. Proc.Bioenergy Soc. Ind. , pp.168-172.

45. Sahoo, A.K., Mohanty, P.K. and Das, P. (1989). Effect of spacingon growth, biomass yield and change in soil status of Leucaenaleucocephala. Proc. Bioenergy Soc. Ind. , pp. 164-167.

44. Mohanty, P.K., Sahoo, A.K. and Das, P. (1989). Growth, drymatter production and calorific efficiency of Acacia auriculifor-misunder different spacings. Proc. Bioenergy Soc. Ind., pp.173-176.

43. Mohanty, P.K., Sahoo, A.K., Behera, P.K. and Das, P. (1989).Photosynthesis, transpiration, stomatal behaviour,macromolecule contents and dry matter production of Leucaenaand Acacia under different levels of irrigation and nitrogen. Proc.Bioenergy Soc. Ind., pp.155-159.

42. Singh Samant, P. K. and Das, P. (1989).The influence of temperatureand photoperiod on growth, flowering and seed production ofcineraria (Senecio cruentus DC.). Orissa J. Hort. , 17: 79-83.

41. Rout, G. R., Debata, B. K. & Das, P. (1989) Induction of somaticembryogenesis in Rosa hybrida cv. Landora. Orissa J. Hort., 17(1-2): 46-49.

40. Rout, G.R., Debata, B. K. & Das, P. (1989) Micropropagation ofRosa hybrida cv. Queen Elizabeth through in vitro culture ofaxillary buds. Orissa J. Hort., 17(1-2), 1-9.

39. Rout, G. R., Debata, B. K. & Das, P. (1989) In vitro mass-scalepropagation of Rosa hybrida cv. Landora. Curr. Sci., 58(1): 876-878.

38. Panda, N., Debata, B. K. & Das, P. (1989) In vitro regeneration ofMussaenda erythrophylla cvs. Queen Sirikit and Rosea from calluscultures. Orissa J. Hort., 17(1-2):18-22.

37. Das, A. G., Panda, P. C. and Das, P. (1989) Heavy metal levelsin some shrubs and herbs along a major urban highway. OrissaJ. Agri. Res., 2(3-4): 151-155.

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36. Panda, P. C., Misra, R. C. and Das, P.(1989). An inventory of theendemic and endangered flowering plants of Orissa. J. OrissaBot. Soc. 11: 43-44.

35. Das, P. (1989) Re-establishment of self-sustaining vegetation onmine wastes in monsoon climate of India. Orissa J. Hort., 17:100-101.

34. Singh Samant P. K. And Das P. (1988). Effect of environmentalfactors on growth and development in Dahlia variabilis. DESF(Annual). Orissa J. of Horticulture. Vol XVI (1 & 2), 23-28.

33. Samal, R., Debata, B. K. & Das, P. (1988) In vitro mass multiplicationof Dalbergia paniculata Roxb. through culture of dormant axillarybuds. Proc. Bioenergy Soc. Ind., pp.127-131.

32. Sahoo, A.K., Mohanty, P.K., Mallick, U.C. and Das, P. (1988) Effectof spacing on growth and biomass yield of Cassia siamea. Proc.Bioenergy Society of India, pp. 122-126.

31. Sahoo, A.K., Panda, P.C., Mallick, U.C. and Das, P. (1988) Biomasspotential and calorific efficiency of some common weeds ofBhubaneswar. Proc. Bioenergy Soc. Ind., pp. 241-243.

30. Patri, S., Debata, B.K. and Das, P. (1988) Micropropagation ofSimmondsia chinensis (Link.) Schneid. through nodal segmentculture. Proc. Bioenergy Soc. Ind., pp. 250-254.

29. Panda, P. C., Misra, R. C. and Das, P. (1988).Three additional legumesfor the flora of Orissa. J. Econ. Tax. Bot., 12(2): 371-372.

28. Mohanty, P. K., Sahoo, A. K., Rout, M.C., Mallick, U.C. and Das,P. (1988) Assessment of biomass potential of two exotic species(Sesbania formosa (F. Muell.) Burbidge and Calliandra calothyrsusMeissn.) under Bhubaneswar conditions. Proc. Bioenergy Soc.Ind., pp.269-274.

27. Dash, G. C., Rout, M. C., Sahoo, A. K. and Das, P. (1988) Acomparative study on biomass function for Samanea saman andCasuarina equisetifolia. Proc. Bioenergy Soc. Ind., pp. 264-268.

26. Das, P., Bose, T.K. & Panda, S. (1985) Effect of time of sowingon growth, flowering and seed formation in china-aster

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(Callistephus chinensis Nees) cv. Ostrich plume white. Orissa J.Hort., 13: 82-94.

25. Das, P. & Das, R.C. (1983). Odisee - a new Bougainvillea. Ind.Hort., 28(2), 1-2 & OUAT Research News, 2: 21.

24. Das, P., Mitra, S.K. & Bose, T.K. (1983) Role of temperature andother climatic factors on growth, flowering and seed formationin carnation. Orissa J. Hort. 11(1 & 2): 14-20.

23. Das, P., Panda, S. & Das, R. C. (1982) A noted cactus rootstock.Ind. Hort., 26(4): 17-18.

22. Das, P. & Das R.C. (1982) A note on preliminary studies on theroot system of cashew (Anacardium occidentale L.). Orissa J. Hort.,10(2) : 29-30.

21. Panda, S., Parida, G.N. & Das, P. (1981) Air-layering in grape(Vitis vinifera). Orissa J. Hort., 2(2): 44-45.

20. Das, P. & Das, A.K. (1981) Effect of sequential plantings ongrowth, flowering and seed formation in snapdragon(Antirrhi-num majus L.). Orissa J. Hort. 9(1): 53-55.

19. Das, P., Mukhopadhyay, T.P. & Mukhopadhyay, A. (1980) Effectof environment on growth and development in echium (Echiumplantagenium Hort.). Orissa J. Hort. 8(1-2): 40-45.

18. Bhattacharjee, S. K., Mukhopadhyay, T. P. & Das, P. (1980) Effectof nutrient on the growth and flowering of orchids.viz. Aeridesmultiflorum Reichb.f. and Dendrobium moschatum Wall. J. Res.,10(2): 24-29.

17. Das, P., Lenka, P. C., Mahapatra, P., Patra, S. N. & Das, R. C.(1979) Quality planting materials through stem cuttings in spinegourd (Momordica dioica Roxb. ex Willd.). J. Res. 9(1-2): 119-121.

16. Bhattacharjee, S. K. & Das, P. (1979) Studies on the effect of growthretardants and their interaction with auxin and gibber-ellin insome herbaceous ornamentals. Orissa J. Hort., 7 (1-2) : 19-27.

15. Das, P. & Mukhopadhyay, A. (1979) Cacti are not difficult to grow;some suggestions. Orissa J. Hort., 4(1-2): 50- 56.

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14. Mukhopadhyay, A. & Das, P. (1978) Effect of removal of flowerand foliage on the yield of Gladiolus corms and cormels. OrissaJ. Hort. 6 (1-2): 1-5.

13. Das, P., Mahapatra, P. & Das, R. C. (1978) Effect of growthregulators on rooting in stem cuttings of some rose root stocks.Orissa J. Hort. 6(1-2): 31-33.

12. Das, P., Mahapatra, P., Lenka, P.C. & Chowdhury, S.C. (1978)Grafting in brinjal has prospect. J. Res. 5: 1-2.

11. Bhattacharyee, S. K. & Das, P. (1978) Garden, how to make it-II.Orissa J. Hort., 6(1-2) : 52-58.

10. Bhattacharyee, S. K. & Das, P. (1977) Garden, how to make it-I.Orissa J. Hort. 5(1-2): 67-71.

9. Mukhopadhyay, A. & Das, P. (1976) Better chrysanthemumsthrough air-layering. Ind. Hort. 21(1): 13-16.

8. Das, P. & Mukhopadhyay, A.(1976) Some outstanding root-stocksfor your cactus. Ind. Hort. 20(4): 19-22.

7. Das, P., Mahapatra, P., Panda, S. & Das, R. C (1976).Chorisiascan be vegetatively propagated. J. Res. 6(1-2): 92-96.

6. Ghosh, P. C. & Das, P. (1976).Some interesting shrubs in DelhiGardens. Ind. Hort. 20(1): 13-18

5. Das, P., Bose, T. K. & Roy, P. K. (1975) Effect of growth regulatorson the photoperiodic response in short and long day plants. PlantScience, 7: 41-44.

4. Das, P. & Singhsamant, P. K. (1975) Beautiful gardenplants:Calliandras. Orissa J. Hort. 3(1-2):33-35.

3. Bhattacharyee, S. K. & Das, P. (1975) Vandas: Spectacular orchids.Ind. Hort., 19(4): 17-19.

2. Das, P. (1974) Save your cacti from possible damage. Ind. J. Orn.Hort., 5 (1-4): 11-14.

1. Das P. (1973). Grafting cacti for pleasure and profit. Ind. Hort.,18 (2): 25-26.

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Chapters contributed in books:11. Rout, G.R. and Das, P. (2002) In vitro studies of ginger: a review of

recent progress. In: Recent Progress in Medicinal Plant, Vol.4-Biotechnology and Genetic Engineering (Govil, J.N., Anand Kumar,P and Singh, V.K; Eds), SCI TECH Pub., USA, pp. 307-326.

10. Rout, G.R. and Das, P. (2002) Role of growth regulators onMicropropagation of Medicinal Plants: A Review. In: RecentProgress in Medicinal Plant, Vol.4- Biotechnology and GeneticEngineering ( Govil, J.N., Anand Kumar, P and Singh, V.K; Eds),SCI TECH Pub., USA pp. 327-258,

9. Mishra, R.C. and Das, P. Forest-cover assessment in Orissa usingremote sensing technique. In: Untamed Orissa: a journey to thewilds of Orissa, Wild Orissa, Bhubaneswar, pp. 1-12.

8. Rout, G. R. & Das, P. Biotechnology of woody ornamentals. In:Biotechnology in Horticulture and plantation crops ( K. L. ChadhaEd.), ICAR, New Delhi , 1999, pp. 652-677.

7. Rout, G. R & Das, P. Somatic embryogenesis in Simarouba glauca.In: Somatic embryogenesis in woody plants. (S. Mohan Jain, P. K.Gupta & R. J. Newton Ed.), Kluwer Academic Publishers, TheNetherlands, 1999, Vol. 4, pp. 369-385.

6. Rout, G. R. & Das, P. Techniques of micropropagation in vitro. In:Propagation of tropical and sub-tropical horticultural crops (T. K.Bose, S. Mitra, M. K. Sadhu & P. Das Ed.), Naya Prokash, Calcutta,1997, pp. 105-116.

5. Yadav, L. K. & Das, P. Hibiscus. In: Propagation of tropical andsub-tropical horticultural crops (T. K. Bose, S. Mitra, M. K. Sadhu& P. Das Ed.), Naya Prokash, Calcutta, 1997, pp. 760-767.

4. Yadav, L. K. & Das, P. Bougainvillea. In: Propagation of tropicaland sub-tropical horticultural crops (T. K. Bose, S. Mitra, M. K.Sadhu & P. Das Ed.), Naya Prokash, Calcutta , 1997, pp. 751-759.

3. Panda, P.C. & Das, P. Genetic resources of cacti and othersucculents. In: Advances in Horticulture, Vol.12 (OrnamentalCrops), (K.L. Chadha & S.K. Bhattacharjee Ed.), MalhotraPublishing House, New Delhi , 1995, pp.243-266.

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2. Das, P. & Panda, P.C. Protected cultivation of cacti and othersucculents. In:Advances in Horticulture, Vol.12 (OrnamentalCrops), (K.L. Chadha & S.K. Bhattacharjee Ed.), MalhotraPublishing House, New Delhi , 1995, pp.819-851.

1. Das, P. & Singh Samant, P.K. Gerbera. In: Commercial Flowers(T. K. Bose & L. K. Yadav Ed.), Naya Prokash, Calcutta, 1989, pp.601-622.

Books edited/authored:9. Bose, T. K., Yadav, L.P., Pal, P., Das, P. and Parthasarathy, V.A.

(Eds.). Commercial Flowers. Vol. 1 pp.653, Naya Prokash, Calcutta,2002. (ISBN No. 81-85421-75-7)

8. Parthasarathy, V.A., Bose, T. K. and Das, P. (Eds.). Biotechnologyof Horticultural Crops. Vol. 3 pp.453, Naya Prokash, Calcutta, 2001.(ISBN No. 81-85421-62-5)

7. Das, P., Panda, P. C. & Das, A. B. New Cactus Cultivars. 1999.(ISBN No. 81-900920-2-2)

6. Parthasarathy, V.A., Bose, T. K., Das, P., Mitra, S. K.& Mohandas,S. (Eds.). Biotechnology of Horticultural Crops. Vol. 1, pp. 680,Naya Prokash, Calcutta, 2001. (ISBN No. 81-85421-60-9)

5. Bose, T. K., Maity, R. G., Dhua, G. S. & Das, P. (Eds.). Floricultureand Landscaping. pp.700, Naya Prokash, Calcutta, 1998. (ISBNNo. 81-85421-31-5)

4. Bose, T. K., Das, P. & Maity, G. G. Trees of the World. Vol. I, pp.532, Regional Plant Resource Centre, Bhubaneswar, 1998. (ISBN No.81-900920-0-6)

3. Bose, T. K., Bhattacharjee, S. K., Das, P. & Basak, U. C. (Eds.).Orchids of India (Revised Edition), pp. 600, Naya Prokash, Calcutta,1998. (ISBN No. 81-85421-34-X)

2. Bose, T. K., Kabir, J., Das, P. & Roy, P. P. (Eds.). TropicalHorticulture, Vol. II, pp. 750, Naya Prokash, Calcutta, 1998. (ISBNNo. 81-85421-32-3)

1. Bose, T. K., Mitra, S. K., Sadhu, M. K. & Das, P. (Eds.). Propagationof Tropical and Sub-Tropical Horticultural Crops. (Revised andenlarged edition), pp. 824, Naya Prokash, Calcutta, 1997. (ISBNNo. 81-85421-28-5)

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Legend to Figures:Fig. 1. Research Laboratories, Regional Plant Resource Centre

Fig. 2,3,4. Instrumentation facilities at the Regional Plant ResourceCentre

Fig.5 Prof Das at the Samanta Chandrasekhar AwardCeremony

Fig. 6. Bambusetum with 61 species

Fig. 7. Cactus Collection at the Centre

Fig. 8. Palmetum with 112 species

Fig. 9. Tropical orchids at the Centre

Fig. 10, 11 Sanghagara Sub-centre for in-situ plant conservation

Fig. 12. Ex-situ conservation of mangroves at Paradeep

Fig. 13. DBT expert group visiting Biomass Research Centre,Bhubaneswar

Fig.14. Micro-propagation of banana

Fig.15. In vitro regeneration of Leucaena leucocephala

Fig.16. In vitro regeneration of Mussaenda philippica

Fig.17. Hardened Tissue Cultured banana

Fig. 18 Acacia nilotica in Agro forestry system

Fig.19 Dr. Masanobu Fukuoka, natural farmer of Japandiscussing on Biomass production

Fig. 20 Captive plantation with male casuarina

Fig.21. Members of Scientific Advisory Committee visitingbiomass plantations at the Centre.

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Fig. 22. Mangroves at Bhiterkanika.

Fig. 23. Mass propagation of mangroves at Regional PlantResource Centre

Fig. 24. Prof. M. S. Swaminathan discussing on cloning ofOdisha mangoves at the Centre

Fig. 25 Professor A.D. Bradshaw discussing on rehabilitation ofvegetation on coal waste dump at Liverpool, U.K.

Fig.26. Reclamation and revegetation on Chromite minewastedump

Fig. 27. Olax scandens, a potential source of oil for biofuels

Fig. 28 Extraction of oil; Fig. 29 Modification; Fig.30 GC MSprofile of Olax Oil

Fig.31 Argemone mexicana Plant; Fig. 32 Seed; Fig. 33 ModifiedOil

Fig.34 Comparative efficiency and Fig. 35 Emissionparameters of transesterified Argemone oil in Dieselengines

Fig.36. GC MS profile of transesterified Argemone oil

Fig.37. Typhonium trilobatum one of the several constituents ofthe herbal formulation used for elimination of lymphaticfilariasis.

Fig. 38. Herbal drug for treatment of filariasis.

Fig. 39. Decrease of antigens by treatment with berbal drug

Fig. 40 a. Swelling of left leg before treatment and

Fig. 40 b. Gradual Reduction in swelling back to normal

Back Cover Migratory birds visiting Plant Resource Centre in winter

Prof P. Das with his cactus collection