PLANT DISEASES AND MANAGEMENT PARADIGM
PLANT DISEASES AND MANAGEMENT PARADIGMBy
MUHAMMAD EHETISHAM-UL-HAQInstructor (Plant
Protection),In-Service Agricultural Training Institute,
Sargodha.
What is a Disease ?
Dis- easeDynamic ProcessContinuous IrritationMay or may not
develop Symptoms
Two TypesPathologicalNon Pathological
Plant Pathology ?
Greek words (Pathos = Disease, logos = to study)
SymptomologyEtiologyEpidemiologyManagement
Why Plant Pathology Needed ?Irish Famine (1845-46)Bengal Famine
(1943)Loss of 220 billion dollar every year
PLANT DISEASE MANAGEMENT
PRINCIPALSExclusionAvoidanceEradicationProtectionResistant
VarietiesTherapy of disease plant
EXCLUSION
Preventing inoculum from entering and establishing in an area
where it is not.
Quarantine Seed certification.
AVOIDANCESelection of a suitable geographical area or
fieldChoosing suitable sowing time.Use of disease escaping
varieties.Disease free seedCultural practices modifications
EradicationCrop RotationSanitationEradication of diseased
plantEradication of alternate hostBiological controlHeat
treatmentSoil treatment
PROTECTIONStitch in time saves the nine.ProtectantEradicant
DISEASE RESISTANCEGenetic resistanceSystemic Acquired
ResistanceCross protectionShould disease resistant varieties be
used?
TherapyChemotherapyHeat TherapyThrough Plant extracts Through
Homeopathic
Is chemotherapy a right choice?Well known and effective Right
chemical for right disease.Standard Dosageconsuming 8,138 million
rupees annually for importing pesticides, about 80 to 90% on cotton
crop A serious threat to humans and biotic environment. Modern
chemistry of chemicals
PLANT EXTRACTSEnvironment friendlyEconomical in use and
effective.Preparation and dosage?Sensible selection of
plantsResearch Needed.
Effect of plant extracts against bacterial seed and boll rot
colony growth
Homeopathic TreatmentHomeopathy is eco-friendly and highly
systemic in reactionNo residual effects on environment. In humans,
philosophy of homeopathy is well understood but in plants it is at
initial stages. Much work has been carried out against pest
controlling and plant diseases recently Despite having inhibitory
effects against plant pathogens, it also assists plant growth
maintenance low cast, easy to use with high dilutions having no
toxic effects on environment as compared to chemicals.
Effect of homeopathic products against bacterial seed and boll
rot colony growth
Streptomycin sulphate (1000ppm)Datura metel (10%)Aviara
(15%)
THANK YOU
