Correlation between Helicoverpa armigera (Hubner) population and Weather factors in chickpea (Cecer aratinum L.)

Abstract

The present investigations entitled “Studies on population dynamics and management of Helicoverpa armigera (Hubner) on chickpea using botanicals” was carried out at Students’ Instructional Farm of Narendra Deva University of Agriculture and Technology, Kumarganj, Faizabad during Rabi, 2016. revealed that Helicoverpa armigera population were noticed for the first time during 46th SW of 2016 and respective mean population were 0.33 larvae/plant. Mean population of Helicoverpa armigera showed non-significant negative correlation with minimum (-0.335) and maximum temperature (-0.220) and rainfall (-0.266) while RH showed non-significant with positive correlation (0.394).