DESCRIPTION OF COURSES

Close

PL PATH 518 EPIDEMIOLOGY AND FORECASTING OF PLANT DISEASES                     (2L+1P) III

Objective
To provide knowledge with the principles of epidemiology and its application in disease forecasting.

Theory

UNIT I
Epidemic concept and historical development, pathometry and crop growth stages, epidemic growth and analysis.

UNIT II
Common and natural logrithms, function fitting area under disease progress curve and correction factors, inoculum dynamics, population biology of pathogens, temporal spatial variability in plant pathogens.

UNIT III
Survey, surveillance and vigilance, crop loss assessment and models.

UNIT IV
Principles and pre-requisites of forecasting, systems and factors affecting various components of forecastings, some early forecasting, procedures based on weather and inoculum potential, modeling disease growth and disease prediction.

Practicals
Measuring diseases, spore dispersal and trapping, weather recording, survey, multiplication of inoculum, computerized data analysis, function fitting, model preparation and validation.

Suggested Readings