Prevalence of Corynespora leaf spot disease of cotton under South Gujarat of India

Cotton is one of the most important economic products of the group of fibers due to volume and value of production. Its cultivation is also of great social importance, due to the number of jobs generated directly or indirectly. Cotton is an important fiber fiber-yielding crop of global importance, which is grown in tropical and subtropical regions of more than 80 countries of the world.In this experiment, prevalence and incidence were was recorded in the cotton growing regions of Surat, Bharuch, and Narmada districts of South Gujarat in the year 2021 to examine the presence of the Corynesporacassiicolapathogen on cotton plants and to record the observations on Per cent Disease Incidence (PDI). The maximum per cent disease intensity was found in the Surat district, while the lowest disease intensity of C. cassiicola was found in the Bharuch district