Seasonal occurrence of prevalent diseases of tomato under field conditions

Abstract

Tomato is one of the most popular and extensively grown vegetables in India as well as in Chhattisgarh. The tomato plant is infected with number of diseases in its life span but they do not occur simultaneously and their development varies with location and season. Therefore a study was undertaken in Kharif season of three consecutive years (2015, 2016 and 2017) at Horticulture Instruction cum Research Farm, College of Agriculture, Raipur (Chhattisgarh) to know the prevalent diseases of tomato, their occurrence pattern and extent of infection. Five diseases viz. leaf curl, mosaic, tomato spotted wilt, early blight and collar rot were observed to infect the crop during the investigation. Under Raipur situations the first occurrence of leaf curl, mosaic, tomato spotted wilt, early blight and collar rot were observed in August, September – October, October, September – October and August - September respectively. Leaf curl and early blight were most serious diseases of the crop out of five commonly occurring diseases.