Isolation of an Oviposition Marker from Azuki Bean Weevil, Callosobruchus chinensis (L.)
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Deterrent activity of plant lectins on cowpea weevil Callosobruchus maculatus (F.) oviposition.
A set of 14 plant lectins was screened in a binary choice bioassay for inhibitory activity on cowpea weevil Callosobruchus maculatus (F.) oviposition. Coating of chickpea seeds (Cicer arietinum L.) with a 0.05% (w/v) solution of plant lectins caused a significant reduction in egg laying. Control experiments with heat inactivated lectin and BSA indicated that the observed deterrent effects are s...
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Six rotenoids have isolated from Indigofera tinctoria, characterized by means of their spectral data and/or co-tlc. The total estimation studies revealed that rotenol was major rotenoid in both in vivo and in vitro. Similarly, by elicitation studies, we observed that summatrol synthesis was higher at the concentration of 0.01 mM ergosterol and salicylic acid. Among all sequential fractions, met...
متن کاملLima bean (Phaseolus lunatus) seed coat phaseolin is detrimental to the cowpea weevil (Callosobruchus maculatus).
The presence of phaseolin (a vicilin-like 7S storage globulin) peptides in the seed coat of the legume Phaseolus lunatus L. (lima bean) was demonstrated by N-terminal amino acid sequencing. Utilizing an artificial seed system assay we showed that phaseolin, isolated from both cotyledon and testa tissues of P. lunatus, is detrimental to the nonhost bruchid Callosobruchus maculatus (F) (cowpea we...
متن کاملGenetic differentiation and diversity of Callosobruchus chinensis collections from China
Callosobruchus chinensis (Linnaeus) is one of the most destructive pests of leguminous seeds. Genetic differentiation and diversity analysis of 345 C. chinensis individuals from 23 geographic populations using 20 polymorphic simple sequence repeats revealed a total of 149 alleles with an average of 7.45 alleles per locus. The average Shannon's information index was 1.015. The gene flow and gene...
متن کاملHabitat-related mtDNA polymorphism in the stored-bean pest Callosobruchus chinensis (Coleoptera: Bruchidae).
The genetic diversity of populations of the azuki bean beetle, Callosobruchus chinensis (Linnaeus) from natural, pre-harvest and post-harvest sites, was investigated to understand population structure and gene flow. A 522-bp fragment of the mitochondrial gene COI was sequenced for eight populations of C. chinensisfrom Japan, Korea and Taiwan collected from different habitats. Six haplotypes wer...
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ژورنال
عنوان ژورنال: Agricultural and Biological Chemistry
سال: 1973
ISSN: 0002-1369,1881-1280
DOI: 10.1271/bbb1961.37.2679