The epidemics of diamond back moth starts from 25 to 30 days of cabbage (Brassica oleracea Var. Capitata) plantation. The catter pillar proceed from the upper leaves to the inner core of the cabbage. Consequently the market value of cabbage is reduced. Farmers call these worms the ""Hagariya"" worms because there is an accumulation of lot of excreta outside the hole. For this per 2.4 ha of crop mix, juice of 1.5 kg lime, five litre buttermilk and 20 L water and sprayed on the crop, before the epidemic spreads. It is believed that, usage of lime checks the growth of the catterpillar and buttermilk helps in the growth of cabbage, thus increase the yield. At the same time, it is found that the pest do not prefer laying eggs on remedy sprayed crop.
Formulation: For this per 2.4 ha of crop mix, juice of one to one and half kilogram lime, five litre buttermilk and 20 L water.
Ingredients: Buttermilk, lime
"Mix 1.5 kg lime with 2-3 liters of buttermilk. Apply at weekly interval using a broomstick."
http://greenfoundation.in/bpdm/search/cm65.html (
dated: 25/4/2020).