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The present investigations entitled “Studies on seasonal incidence of gram pod borer, Helicoverpa armigera (Hubner) on chickpea crop” were carried out at the Student’s Instructional Farm, Nawabganj of C. S. Azad University of Agriculture and Technology, Kanpur during Rabi season 2021-22 and 2022-23. The highest mean larval populations 4.53 larvae per plant in 2021-22 were observed during 6th std. week and in 2022-23 it was 4.10 larvae per plant were observed during 7th std. week. However, lowest mean larval population 0.10 larvae per plant in 2021-22 was observed during 46th std. week and in 2022-23 it was 0.07 per plant during 47th std. week. The correlation co-efficient with the population of H. armigera was positively correlated with minimum (0.733 during 2021-22 and 0.893 during 2022-23) and negatively correlated with maximum (-0.779 during 2021-22 and -0.330 during 2022-23) temperatures, respectively. However, it was negatively correlated (-0.812) in 2021-22 and (-0.609) in 2022-23 with relative humidity. While, rainfall had a positively correlated (0.569) in 2021-22 and (0.003) in 2022-23.
Yadav et al. (Mon,) studied this question.