Evaluation of genotypes against bacterial blight, anthracnose leaf spot and tobacco streak virus diseases in cotton

The 54 cotton germplasms/hybrids/varieties and 13 Bt cotton hybrids with a check were screened against to anthracnose leaf spot, bacterial blight and tobacco streak virus diseases during Kharif-2017 at RARS, Warangal Telangana State. The thirteen entries viz., H-1492, DS-28 Deltapine-66, CCH-3114, CPD-731, ARB-8815, Hartsvilly, ADB-39, CPT-571, CPD-7575, CPD-812, TCH-1716 and NDLH-1967 were resistant to bacterial blight disease, three entries namely; Bikanerinerma, WGCV-26 and CPD 731-1 to anthracnose leaf spot disease and ARB-8815 was showed immune reaction to t obacco streak virus disease. Out of 13 Bt cotton hybrids screened against bacterial blight disease, five entries namely; Akira, Ashirwad, Moneymaker, RCH-839 and Superb were resistant to bacterial blight disease.