- 1. GROWTH AND MAINTENANCE IN RESPIRATION
2. RESPIRATION 3. RESPIRATION Oxidation of organic substances to
CO2 and water Can be divided into 3 groups : Autotrophic
respiration / plant respiration. Heterotrophic respiration / soil
respiration. Photorespiration. 4. Diagram 1: Autotrophic
respiration and Heterotrophic respiration 5. DEFINITION OF
AUTOTROPHIC,HETEROTROPHIC AND PHOTORESPIRATION 6. AUTOTROPHIC
Capable of self-nourishment Requires only minerals for growth Uses
carbonate or carbon dioxide as a source ofcarbon and simple
inorganic nitrogen as a nitrogensourceSources: GNU Websters 1913 7.
HETEROTROPHIC Not self-sustaining Dependent upon others for food.
Requires organic compounds of carbon and nitrogenfor
nourishmentSources: Century Dictionary and Cyclopedia and WordNet
3.0 8. PHOTORESPIRATION Oxidation of carbohydrates in plants with
the releaseof carbon dioxide during photosynthesis. Happens on hot
dry days when a plant is forced toclose its stomata to prevent
excess water loss.Sources: American Heritage Dictionary of the
English Language, Fourth Edition 9. AUTOTROPHICRESPIRATION 10.
AUTOTROPHIC RESPIRATION Respiration: Oxidation of organic
substances to CO2and water Defined as loss of photosynthetically
fixed carbon lostby internal plant metabolism Byproduct are ATP and
NADPH 11. AUTOTROPHIC RESPIRATION Common chemical equation of
autotrophic respirationfor glucose is:C6H12O6 + 6O2 6CO2 + 6H2O +
energy The autotrophic respiration consists of: Growth Respiration
Maintenance Respiration 12. AUTOTROPHIC RESPIRATION Diagram 2: Tree
Growth and Maintenance Diagram 13. GROWTHRESPIRATION 14. GROWTH
RESPIRATION Growth - refers to the biosynthesis process within
agrowing organ and related phloem transport,excluding mineral
uptake and nitrogen reduction Includes the carbon cost of
synthesizing new tissuefrom glucose and minerals used for growth
Rate for various tissue differs depends on the theircompositions.
15. GROWTH RESPIRATION Repair of injured tissue increase
maintenancerespiration above basal rate. 16. Diagram 3: Respiration
cycle of plant 17. MAINTENANCERESPIRATION 18. MAINTENANCE
RESPIRATION Refers to the CO2 released, or O2 consumed, duringbasal
rate of metabolism of usable energy used for: Resynthesis of
compounds that undergo renewal Maintenance of chemical gradients of
ions andmetabolites across cellular membranes Operation of
metabolic processes involved inphysiological adjustment to a change
in the plantsenvironment 19. MAINTENANCE RESPIRATION Temperature is
the most important environmentalfactor affecting maintenance
respiration The metabolic costs of the repair of injury from
stress(biotic/abiotic) also considered as part of
maintenancerespiration Essential for biological health and growth
of plants,sustain living tissues. 20. MAINTENANCE RESPIRATION Key
component of most physiologically based mathematical models of
plant growth, includes: models of crop growth and yield models of
ecosystem primary production and carbon balance 21. Diagram 4:
Example of Autotrophic Respiration of plant 22. CONCLUSION 23.
CONCLUSION In sense of learning growth and maintenance respiration
in crop physiology, we can: Learn mechanism used by plants to grow
and maintain its growth Learn and predict the life cycle of a
specific plant How to maintain a specific plant growth to increase
its yield as well as its yield production longevity (important for
economic crop producers) 24. REFERENCES 25. REFERENCESBOOKS: Julian
Evans ,The Forests Handbook, An Overview of Forest Science (Google
Books), pg. 195 196. J. J. Landsberg, S. T. Gower, Applications Of
Physiological Ecology To Forest Management (Google Books), pg. 139
140. James I. L. Morison, Michael D. Morecroft, Plant Growth And
Climate Change (Google Books), pg. 197 198. Richard H. Waring, S.
W. Running, Forest Ecosystems: Analysis At Multiple Scales (Google
Books), pg. 67 69. Christopher The, Introduction To Mathematical
Modeling Of Crop Growth (Google Books), pg. 144 26. REFERENCES
Theodore Thomas Kozlowski, Stephen G. Pallardy, Growth Control in
Woody Plants (Google Books), pg. 96 97. Yin Xinyou, H. H. van Laar,
Crop Systems Dynamics (Google Books), pg. 20. Hans Lambers, Francis
Stuart Chapin (III.), Francis Stuart Chapin, Thijs Leendert Pons,
Plant Physiological Ecology, Pg. 134 136.INTERNET: Peter Kolb,
University of Montana, 5 October 2011, Tree Biology,
http://www.extension.org/pages/33616/tree-biology Definitions of
biological terms as well as its citation; http://www.wordnik.com
27. REFERENCESJOURNALS: Michael G. Ryan, Department of Forest
Science, Oregon State University, 30August 1989, Growth and
Maintenance Respiration In Stems Of Pinus controtaand Picea
engelmannii, Pg. 48 57 Markus Ltscher, Katja Klumpp and Hans
Schnyder, Plant Science Department,Technische Universitt Mnchen, Am
Hochanger 1, D-85350 Freising-Weihenstephan, Germany, Growth And
Maintenance Respiration For IndividualPlants In Hierarchically
Structured Canopies Of Medicago sativa AndHelianthus annuus : The
Contribution Of Current And Old Assimilates 28. THANK YOU
