Screening of green gram (Vigna radiata) Cultivars against pulse beetle (Callosobruchus Spp.) Jha A. N., Rajesh*, Srivastava Chitra, Dixit H. K.1 Division of Entomology, ICAR-Indian Agricultural Research Institute, New Delhi, 110012 1Pulse Laboratory Division of Genetics, ICAR-Indian Agricultural Research Institute, New Delhi, 110012 *Email: rjshroshan579@gmail.com
Online published on 23 October, 2018. Abstract Evaluation of 100 cultivars of green gram Vigna radiata (L.) Wilczeck under no choice condition against three species of pulse beetle viz. Callosobruchus maculatus F., C. analis F., and C. chinensis L. was undertaken. Observations on the number of eggs laid on grain surface, emergence and mean development period (MDP) under storage conditions at 27 + 1.5°C and 60% RH were made. On the basis of growth index value, out of 100 cultivars, 15 cultivars were selected for each species of bruchid. The results led to selection of five cultivars each as resistant, least susceptible and most susceptible ones. Top Keywords Green gram, Callosobruchus maculatus, C. analis, C.chinensis, cultivars, no choice test, fecundity, developmental period, resistant, susceptible. Top |