Efficacy of botanicals against pulse beetle Callosobruchus maculatus (F.) in Green Gram Manju K., Jayaraj J.*, Shanthi M. Department of Agricultural Entomology, Tamil Nadu Agricultural University *Corresponding author Email: vu2jrj@rediffmail.com
Online published on 30 April, 2019. Abstract In the present study, twelve botanicals viz., Ipomea sp., Ocimum sanctum (L.), Pongamia pinnata (L.), Vitex negundo (L.), Adhatoda sp. (L.), Zingiber officinale (L.), Allium sativum (L.), Curcuma longa (L.), Acorus calamus (L.), Capsicum annum (L.), Piper nigrum (L.) and neem seed kernel powder were evaluated against the adults of pulse beetle Callosobruchus maculatus (F.) in green gram seed storage. Mortality, oviposition deterrent activity, adult emergence and seed germination were observed. All the treatments were found significantly effective, of which mixing of 1% seed powder of P. nigrum resulted in 100% mortality within 12 hr. Progeny development and adult emergence of 28.4 and 30.0% was obtained with 1% pod powder of C. annum and 1% seed powder of P. nigrum, respectively. It was also observed that 1% each of rhizome powder of A. calamus, seed powder of P. nigrum and pod powder of C. annum retained maximum seed viability of 97.3, 92.0 and 90.6%, respectively. Top Keywords Greengram, Callosobruchus maculatus, Piper nigrum, Capsicum annum, Acorus calamus, mortality, progeny development, adult emergence, seed viability. Top |