Screening of chilli (Capsicum annuum L.) germplasms/varieties against chilli thrips, Scirtothrips dorsalis (Hood) and aphid, Myzus persicae (Sulzer) under field condition

Abstract

Screening of seventy Chilli germplasms/varieties was carried out against Chilli Thrips, Scirtothrips dorsalis (Hood) and aphid, Myzus persicae (Sulzer) under field condition at Vegetable Research Farm, Kalyanpur, C. S. Azad University of Agriculture and Technology, Kanpur during 2017-18. The investigation regarding the screening of chilli germplasms/varieties, it was observed that out of 70 germplasms, none of the germplasms were found immune against the thrips and aphids. Five lines of Chilli viz. Pusa Jwala, NT-74, Selection-2010, G-4 and GS-15 were found highly resistant to have resistance index 0.01-0.30. The 10 lines viz. 810-45, selection long-1, M-7-1, selection-1, 67-1-1, selection-60, selection-2008, NA-11, Selection-16 and 7701 were found moderately resistant with resistance index 0.31-0.60 and 12 lines viz. NT-74-1, 410-2 Selection-2011, 810-66-1, Raj-1, Achar-8 selection-12, selection-54, 35-30, selection 2017, selection-1 (yellow) and selection-2017-1 were found low resistant with resistance index 0.61-0.90. Nineteen lines were found less susceptible with resistance index 0.91-1.20 and 15 lines were found moderately susceptible with resistance index 1.21-1.50 and remaining 9 lines were found highly susceptible against thrips and aphids with resistance index >1.5.