2005•Unpublished venueRequires access

Chickpea Grains Resistance to Pulse Beetle, Callosobruchus analis (F.) (Coleoptera: Bruchidae)

Muhammad Shafique, Maqbool Ahmad

Abstract

Grains of 22 chickpea genotypes were screened for resistance to pulse beetle, Callosobruchus analis (F.) under laboratory conditions (28±2°C and 60±5% R.H.). The results revealed that free choice oviposition by the beetle, adult progeny development, grain damage and weight loss' varied significantly (P< 0.05) among chickpea cultivars. Genotypes CM 3142-2/92, CM 88, CM 3142-3/92, CM72, and Pb91 harboured significantly lower number of eggs, adult progeny development, damage and grain weight loss indicating resistance to C. analis. The preference of the bruchid for host selection/oviposition seemed to be sensory to a larger extent as low number of eggs were laid on wrinkled and black grains genotypes. Various characteristics of chickpea for resistance to bruchids have been discussed.

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Key concepts: Biology, Callosobruchus chinensis, Callosobruchus maculatus, Larva, Cultivar, Horticulture, Resistance (ecology), Host (biology)