Vol. 11, Special Issue 8 (2022)

Author(s):
Sharma B, Dr. Chaudhary AK, Gangwar B and Sharma NR

Abstract:
An experiment was conducted to observe the seasonal incidence of cabbage insect pests viz., diamond back moth, cabbage head borer, cabbage leaf webber, cabbage aphid and lady bird beetle on cabbage during Rabi season, 2021-22 at Organic Research Farm Kargua Ji, Department of Entomology, Institute of Agricultural Science, Bundelkhand University Jhansi, (Utter Pradesh). Major activity period of diamond back moth (Plutella xylostella) population appeared during 49^th SMW and the peak incidence during 3^rd SMW (9.0 larva/plant) and cabbage head borer (Hellula undalis) caterpillar population initiated during 51^th SMW and reach its peak incidence 2^nd SMW (5.0 larva/plant) respectively while cabbage leaf webber (Crocidolomia binotalis) appeared from 48^th SMW to 8^th SMW with peak incidence in 1^th SMW (4.3 larva/plant). Cabbage aphid (Brevicoryne brassica) were observed from 49^th SMW to 8^th SMW with peak incidence in 5^th SMW (41.0 larva/plant) and lady bird beetle (Coccinella septempunctata) appeared from 49^th SMW to 8^th SMW with peak incidence 4^th SMW (1.0 larva/plant) respectively.