UNIT I
History and principles of plant pathology.
Milestones in phytopathology with particular reference to lndia.
Historical development of chemicals, legislative. culture and biological protection measures including
classification of plant diseases.
Parasitism and Disease developments. Growth, reproduction, survival and dispersal of plant pathogens. Factors influencing infection, colonization and development of symptoms.
UNIT II
Physiological and molecular plant pathology.
Effect of pathogens on plant pathological functions. Molecular mechanisms of pathogenesis: recognition phenomenon, penetration, invasion, primary disease determinant. Enzymes and toxins in relation to plant disease. Mechanism olresistance. Phytoalexins . RP protein (pathogenesis related proteins ). Antiviral proteins.
UNIT III
Management of plant Diseases: General principles of plant quarantine.
Production of disease free seeds and planting materials. Seed certification. Fungicide and antibiotics:
lmportant culture practices and their role in disease management, solarization, integrated disease management.
UNIT IV
History of Mycotoxins, mycotoxic fungi and related mycotoxins in food and feed, aflatoxins, factors influencing the production of aflatoxins, mycotoxicosis and aflatoxicosis. Detoxification and Regulatory aspects of control of Mycotoxins.
UNIT V
Phyopathogeneic toxins : Helmithosporium toxin, Alternaria toxins, Fusarium toxins, Mushroom toxins, plant toxins and phycotoxins (Algal toxins).
- Teacher: SADHNA PANDEY