Course Content
TERMS AND CONCEPTS USED IN PLANT PATHOLOGY
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CLASSIFICATION OF FUNGICIDES BASED ON CHEMICAL NATURE
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CLASSIFICATION OF FUNGICIDES BASED ON METHOD OF APPLICATION
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Learn introduction to plant pathology with Braimy – B.sc Agriculture
About Lesson

Knowledge of epidemiology is useful in forecasting of a disease and also for the management of a disease.

Compound interest disease/ polycyclic

Simple interest disease/Monocyclic

Rate of increase of disease is

mathematically analogous to compound

interest in money (Interest is added periodically to the capital; interest gets interest)

Rate of increase of disease is

mathematically analogous to simple

interest in money (Interest is added only at the end; interest does not get interest)

Pathogen produces spores at rapid rate

Pathogen produces spores at very

slow rate

Propagules disseminate by air

Propagules disseminate by soil or

seed

Incubation period and sporulation period is short

Incubation period and sporulation period is long

There are several generations of the pathogen in the life of a crop

There is only one generation of the pathogen in the life of a crop

Ex: Rusts of cereals

Ex: Smuts of wheat, barley &

sorghum


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