EFFICACY OF VARIOUS GRAIN PROTECTANTS AGAINST PULSE BEETLE, CALLOSOBRUCHUS CHINENSIS (LINNAEUS) INFESTING PIGEONPEA, CAJANUS CAJAN (LINNAEUS) MILLSP.

摘要

Efficacy of various grain protectants, viz. neem seed kernel powder @ 20 g/kg, neem oil @ 10 ml/kg, mustard oil @ 7.5 ml/kg, groundnut oil @ 7.5 ml/kg, turmeric powder @ 3.5 g/kg, mustard oil + turmeric powder @ 3.75 ml+1.75 g/kg, groundnut oil + turmeric powder @ 3.75 ml+1.75 g/ kg, 7 cm covering of saw dust, sand, dung cake ash and wheat husk in each was evaluated on adult emergence holes and seed damage by pulse beetle, Callosobruchus chinensis on pigeonpea, Cajanus cajan at 45,90 and 135 days after storage. No adult emergence holes were observed and per cent seed damage was nil in treatments of 7 cm covering of saw dust, sand, dung cake ash and neem oil @ 10 ml/kg seeds at all the storage intervals.