15.Study of relative toxicity of synthetic pesticide and a botanical pesticide against Trichoplusia ni on Brassica oleracea var capitata
Eshendra Kumar and Suman Kapoor
Trichoplusia ni of the order lepidoptera belongs to the family noctudae, has been found to defoliage the brassica oleracea var capitata, brassica oleracea var botrytis, collards, broccoli vegetables, which are commercially grown as leafy vegetable. Sometimes cucumber, tomato, cotton are also damaged by Trichoplusia ni Recent awareness about the hazarads of persistent of synthetic pesticide. The role of synthetic pesticide compared with bio pesticide in insect pest control. Keywords: Trichoplusia ni Endosulphan P. hysterophorus mortality count LC50.