Pre-harvest and storage treatment of botanicals on Callosobruchus Chinensis (L.) in black gram Jayaraj J.*, Srinivasan G., Shanthi M. Department of Agricultural Entomology, Agricultural College and Research Institute, Madurai, Tamil Nadu, 625104 *Email: vu2jrj@rediffmail.com (corresponding author)
Abstract Field trials were conducted at the Agricultural College and Research Institute, Madurai, Tamil Nadu in black gram with pre-harvest treatment of botanicals its to evaluate on the carry over of pulse beetle Callosobruchus chinensis (L.). It was observed that the application of Vitex leaf extract 10%, Pongamia oil 2% and Madhuca oil 2% had reduced the incidence. The same treatments in storage revealed that maximum protection was obtained with neem oil 1%, NSK powder 1% and neem leaf powder 2% followed by Madhuca longifolia oil 1%, Vitex negundo leaf powder 2% and Pongamia glabra oil 1% as grain treatments as revealed by reduced oviposition, adult emergence and damage. Top Keywords Black gram, Callosobruchus chinensis, pre-harvest, storage, Vitex, Pongamia, Madhuca, neem oil, leaf powder, NSK powder, oviposition, emergence, damage. Top |