Population Fluctuation with Climatic Condition of Gram Pod Borer Helicoverpa armigera (Hub.) on Chickpea Crops in Sultanpur Region of Eastern U.P.
Bal Mukund Pandey, Rahul Kumar, Vijay Lakshmi, Awaneesh Chandra
International Journal of Environment and Climate Change · pp. 3401–3405 · Published 20 Nov 2023
10.9734/ijecc/2023/v13i113513Abstract
Gram pod borer Helicoverpa armigera is most serious insect pest of chickpea crop in Rabi season in eastern U.P., including Sultanpur district. The studies have been done on population fluctuation of gram pod borer, Helicoverpa armigera on one local desi variety of chickpea with meteorological data take on ANDUAT, Kumarganj, Ayodhya, (U.P.). The incidence of pod borer Helicoverpa armigera in chickpea/ commenced from 1st standard week of January with 0.10 mean larval population per plant. The larval population started increase per decrease and reached the maximum with 15.30 mean larval population per plant during 12th standard week of 2022. The population of larvae showed positive correlation with maximum temperature (0.70) and minimum temperature (0.82) and rainfall (0.25), while negative correlation was obtained with relative humidity (-0.72).
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