Screening Varieties of Okra (Abelmoschus esculent us (L.) Monech) against Important Insect Pests under Agroclimatic Condition of Allahabad (U.P.)

摘要

Among seventeen varieties of okra screened against Amrasca biguttula biguttula, Bemisia tabaci and Earias vitella, the varieties VRO 3 and Kashi Pragati were found to be resistant to jassids infestation. In respect of whitefly infestation the lowest infestation were found in VRO 3 and VRO 4, Bhendi Vaphy, IIVR 11, VRO 3, EMS 8-1 showed minimum shoot infestation. Fruit infestation (Number basis) EMS 8-1 was recorded lowest infested fruits which were followed by Punjab Padmini, VRO 3, Bhendi Vaphy, IIVR 11, HVR 10, Kashi Pragati, EC 35638, IC 282273 and IC 282272. These varieties were statistically at par with each other and graded as moderately resistant. Fruit infestation ranged between 8.18 to 22.06 per cent on weight basis and the least infestation was found in the variety VRO 3 followed by the varieties EMS 8-1, HVR 11, Punjab Padmini, HVR 10, Bhendi Vaphy, Kashi Pragati and EC 35638 showed significantly lowest infestation and graded as moderately resistant.