Effects of a Chitin Binding Vicilin from Erythrina velutina Seeds on Bean Bruchid Pests (Callosobruchus maculatus and Zabrotes subfasciatus)
Abstract:Erythrina velutina vicilin, EvV, is a dimeric glycoprotein with Mr of 124.6 kDa. EvV was tested for anti-insect activity against bean bruchid larvae. EvV had LD50 of 0.10% and ED50 of 0.14% for Z. subfasciatus and LD50 of 0.26% and ED50 of 0.19% for C. maculatus. EvV was not digested by bean larvae enzymes until 12 h of incubation, and at 24 h EvV was more resistant to Z. subfasciatus enzymes.
Document Type: Research Article
Publication date: 2008-03-01
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