Legume Seeds: the Defences of Wild and Cultivated Species of Phaseolus Against Attack by Bruchid Beetles |
| |
| Authors: | SIMMONDS, M. S. J. BLANEY, W. M. BIRCH, A. N. E. |
| |
| Affiliation: | *Behavioural Entomology Group situated at Dundee, DD2 5DA
!["{dagger}"]("/math/dagger.gif") Jodrell Laboratory, Royal Botanic Gardens Kew, Surrey, TW9 3DS
!["{ddagger}"]("/math/Dagger.gif") Department of Biology, Birkbeck College Malet Street, London WC1E7HX
!["§"]("/math/sect.gif") Zoology Department, Scottish Crop Research Institute Invergowrie, Dundee, DD2 5DA |
| |
| Abstract: | A range of accessions (182) of wild, semi-cultivated and cultivatedPhaseolus were subjected to attack by two Old World bruchids,Callosobruchus maculatus and Caliosobruchus chinensis and twoNew World bruchids Zabrotes subfasciatus and Acanthoscelidesobtectus. Six different stages in the progression of the brochid-legumeinteraction, at which resistance may occur, are described andassessed. Resistance is shown by: no oviposition; disruptedembryo development; failure of larvae to penetrate the testa;death of larvae within the cotyledon; failure of pupation oradult emergence; reduced fitness of adults. The occurrence ofresistance at each of these stages is discussed in the contextof possible causal mechanisms. The patterns of resistance tothe two pairs of bruchids of different geographical origin isconsidered in relation to co-evolutionary processes Phaseolus, wild species, resistance, bruchids, Callosobruchus maculatus, Callosobruchus chinensis, Zabrotes subfaciatus, Acanthoscelides obtectus |
| |
| Keywords: | |
| 本文献已被 Oxford 等数据库收录！ |
|
