Abstract

Experiments were conducted on three dates of sowing i.e., 20th October, 15th November and 1st December during 2018-19 and 2019-20 at Banda to assess the population dynamics of gram pod borer Helicoverpa armigera (Hubner) and % larval parasitization in chickpea. The incidence of H. armigera was noticed from 49th to 12th Standard Meteorological Week (SMW). Its incidence was increased at vegetative stage from 50th to 1st SMW in first date of sown crop and at reproductive stage from 10th to 12th SMW in 3rd date of sown crop. The highest and lowest parasitization of larvae by Campoletis chlorideae were recorded as 58.67 and 55.00% (49th SMW) and 10.67% (12th SMW) and 7.30% (13th SMW) during 2018-19 and 2019-20, respectively. Maximum and minimum temperature showed a negatively by significant correlation with larval parasitization whereas, relative humidity and rainfall had a positively non-significant correlation.

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