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Survey and status of different diseases of cotton under South Gujarat region, India
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In this experiment, different districts of South Gujarat were closely examined for various diseases in different cultivars. A roving survey was conducted on cultivars’ field during the crop season and a fix point survey on cotton was conducted periodically at Research farm. On Research farm, periodical observations were recorded on G. Cot. Hy. 12 which revealed that bacterial blight appeared during the 2nd week of July (2.0 %) and then gradually developed and reached at its peak (23.5 % PDI) during the 3rd week of September and then declined, but prevailed up to 1st week of December. |