Department of Agricultural Entomology, Bidhan Chandra Krishi Viswavidyalaya, Mohanpur - 741 252, Nadia, West Bengal, India.
1Department of Zoology, Ramakrishna Mission Brahmananda College of Education, Rahara, Kolkata - 700 118, West Bengal, India.
In stored seeds of red gram, Cajanas cajan L. application of malathion 50EC (@ 1 ml/litre of water) as surface treatment was found most effective in achieving 100% mortality of pulse beetle, Callosobruchus chinensis L. followed by Ipomoea leaf powder (@ 100 g/litre of methanol) and azadirachtin 5000 ppm (@ 6 ml/litre of water), respectively at 1, 3 and 6 hours after treatment. Ipomoea also reduced egg laying and adult emergence of pulse beetle.
