Vol. 12, Special Issue 9 (2023)

Author(s):
MR Dhande, NS Rode and SR Pawar

Abstract:
The purpose of this study was to investigate the seasonal occurrence of several insect pests affecting pigeonpea crops in the Jalna area of Maharashtra, with a focus on the influence of meteorological conditions. The data pertaining to the seasonal occurrence of Helicoverpa armigera reveals that the activity of H. armigera commenced during the 41st Standard Metrological Week, but the incidence of Maruca vitrata was seen on the crop starting from the 44th standard week. The occurrence of M. obtusa was seen starting from the 47^th Standard Metrological Week (SMW), whereas the presence of Exelastis atomosa was noted to commence from the 38^th Standard Metrological Week.