Abstract
The present work was carried out to study the effect of age of parents and some plant extracts against pulse beetle, Callosobruchus chinensis L. on chickpea seeds. The results generally showed that, fecundity of C. chinensis increased in the females with younger ages and reduced in those with progress age females, while the time of development increased significantly with the increase in age of parents of either sexes. Also, leaves of castor (Ricinus communis L.), datura (Datura stramonium L.), Jatropha (Jatropha curcas L.) and neem (Azadirachta indica A. Juss) were used in acetone and aqueous extracts. The results indicated that among all the tested plant extracts, neem leaf extract was significantly affect oviposition deterrent, reduction of the adult emergence of C. chinensis and antifeedant as compared to other extracts. In general, acetone extract of leaf of the tested plants were more effective than those of aqueous extract.
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