Seasonal Incidence of Diamond Back Moth in Broccoli (Brassica oleracea var. italica)

The present field experiment was conducted at entomology research field, Institute of Agriculture and Natural Sciences, Deen Dayal Upadhyaya Gorakhpur University, during Rabi, 2022-23, for studying the seasonal incidence Diamond back moth in broccoli. broccoli planted plot size 3x3.15 m three replications with spacing 60x45 cm first week November. First appearance DBM started 49th SMW 2nd December, pest population reached peak January. correlation studies showed that maximum temperature, minimum temperature is significantly negatively correlated to whereas morning relative humidity negative non- significant population, rainfall had non-significant evening positively effect on population.