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Antibiosis effect of wild dry bean accession on the Mexican bean weevil (Coleoptera: Bruchidae)

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Title Antibiosis effect of wild dry bean accession on the Mexican bean weevil (Coleoptera: Bruchidae)
 
Creator Cardona, César
Posso, Carmen E.
Kornegay, Julia
Valor, José
Serrano, Miguel
 
Description CIAT- Outstanding Research Publication Award (ORPA) - 1990
High levels of antibiosis resistance to the Mexican bean weevil (MBW), Zabrotes subfasciatus (Boheman), and the bean weevil (BW), Acanthoscelides obtectus (Say), in wild dry bean, Phaseolus vulgaris L., accessions were caused primarily by high mortality of late first instars and, to a lesser extent, by high mortality of early second instars, coupled with a significant prolongation of the duration of the first instar. Antibiosis had a significant effect on the fecundity of F, females reared on resistant varieties. Seed integument did not appear to act as a barrier for larvae of the bean weevil. Rearing of both insects on “artificial” seeds further demonstrated that factors responsible for resistance are present in the cotyledons.
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Date 2019-10-08T20:23:29Z
2019-10-08T20:23:29Z
1989
 
Type Journal Article
 
Identifier Cardona, César; Posso, Carmen E. ; Kornegay, Julia; Valor, José; Serrano, Miguel (1989). Antibiosis effect of wild dry bean accession on the Mexican bean weevil (Coleoptera: Bruchidae). Journal of Economic Entomology. 82(1): 310-315
https://hdl.handle.net/10568/104001
 
Language en
 
Rights Copyrighted; all rights reserved
 
Format 8(1): 310-315
 
Source Journal of Economic Entomology