A field experiment was conducted to study the impact of sowing period [24th, 26th , 28th, 31st and 33rdStandard Meteorological Week (SMW)] and variety (AGT-2, BDN-2 and Vaishali) on pod borer, Helicoverpa armigera in pigeonpea at Agricultural Research Station, Anand Agricultural University, Derol, Dist. Panchmahal, Gujarat, India during Kharif, 2014-15, 2015-16, 2017-18 and 2018- 19. |