אסיף מאגר המחקר החקלאי

Physiological aspects of host specificity in the Bruchidae-V. Varietal differences in the resistance of Vicia faba L. to Callosobruchus chinensis L.

Year:

1968

Source of publication :

Authors :

Volume :

4

Co-Authors:

Podoler, H., Faculty of Agriculture, The Hebrew University, Rehovot, Israel
Applebaum, S.W., Faculty of Agriculture, The Hebrew University, Rehovot, Israel

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Abstract:

The relative resistance of some varieties of broad beans (Vicia faba L.) to Callosobruchus chinensis L. is solely due to difficulties encountered by the hatching larvae and by the emerging adult in penetrating through the seed-coat. No differences in development are noticeable on decorticated seeds of the different varieties. The thickness of the seed-coat seems to be the only limiting factor, and Vicia faba seed-coats are apparently non-toxic to larvae. This is demonstrated by the high survival of larvae penetrating V. faba seed-coats. We wish to suggest that selection of broad bean varieties with thicker seed-coats would significantly reduce infestation by Callosobruchus chinensis during storage. © 1968.

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