Abstract

                                Survey on cabbage in 40 villages in the Nilgiris district of Tamil Nadu revealed the severity of the diamond back moth. Plutella xylestella, the cutworm, Agrotis ipsilon the semilooper, Trichoplusia ni, the aphid, Lipaphis erysimi, the club root, Plasmodiophora brassicae, the black rot, Xanthomonas campestris pv. campestris, and the white rot, Sclerotinia sclerotiorum and their importance as key pests and diseases. The larval parasitoid Apanteles plutellae on diamond backmoth and the predatory coccinellid beetle, Menochilus sexmaculatus on the aphid were the predominant bicontrol agents in the cabbage ecosystem in the Nilgiris district of Tamil Nadu.

Key words : Survey, Cabbage, Pests, Diseases, Natural enemies of pests