plant diseases and management paradigm
DESCRIPTION
Principles of plant pathologyTRANSCRIPT
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%)
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