tailieunhanh - Abundance of major insect-pests infesting green gram and its associated natural enemies

The present investigation on abundance of major insect-pests infesting green gram and its associated natural enemies was carried at Instructional farm and Department of Entomology, Rajasthan College of Agriculture, MPUAT, Udaipur. Green gram variety SML-668 was sown on 18th July during kharif 2015 and 16th July during kharif 2016 with the seed rate of 15 kg/ ha; maintaining a row to row and plant to plant spacing of 30 cm x 10 cm, respectively. Major insect pests, viz., aphids, Aphis craccivora (Koch); jassids, Empoassca spp., white flies, Bemisia tabaci (Gennadius); blister beetle, Mylabris spp. and spotted pod borer, Maruca vitrata (Geyer) were recorded under the prevailing agroclimatic conditions of the region. Greengram was also infested by other minor insect pests, viz., hairy caterpillar, tobacco caterpillar, plant bug and pod sucking bug. The associated natural enemies, viz., coccinellids, Coccinella septempunctata (L); Cheilomenes sexmaculata (Fab.) and syrphid flies were recorded feeding aphids on greengram; besides, spiders and wasps were also collected from the crop area. | Abundance of major insect-pests infesting green gram and its associated natural enemies