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1 October 2014 Resistance of Faba Bean and Pea Germplasm to Callosobruchuschinensis (Coleoptera: Bruchidae) and Its Relationship With Quality Components
Can-Xing Duan, Zhen-Dong Zhu, Gui-Xing Ren, Xiao-Ming Wang, Dan-Dan Li
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Abstract

In total, 339 faba bean (Vicia faba L.) and 100 pea (Pisum sativum L.) accessions were screened for their ability to resist Callosobruchus chinensis L. in free choice laboratory tests. Four, 15, and 43 faba bean varieties were highly resistant, resistant, and moderately resistant to C. chinensis, respectively. Three immune, three highly resistant, and six resistant accessions were discovered among the pea germplasm. The faba bean and pea varieties presented a hundred-kernel weight reduction varied from 0.18 to 35.36% for faba bean varieties and 0 to 56.53% for pea varieties. Varieties with brown and black seed color had significantly fewer wormholes and higher C. chinensis resistance than varieties with light-color seeds. Resistance to C. chinensis showed a significant, positive correlation with catechin, total polyphenol, and γ-aminobutyric acid contents, but a significant, negative correlation with oligosaccharide content. Correlation coefficients (r) between infestation rate of faba bean and total phenol, catechin, and oligosaccharide contents were —0.9723, —0.8071, and 0.7631, respectively. The values of r for pea resistance and total phenol, catechin, and oligosaccharide content were —0.8846, —0.7666, and 0.8308, respectively. The results suggest that quality components in faba bean and pea have a great role in resistance against C. chinensis.

© 2014 Entomological Society of America
Can-Xing Duan, Zhen-Dong Zhu, Gui-Xing Ren, Xiao-Ming Wang, and Dan-Dan Li "Resistance of Faba Bean and Pea Germplasm to Callosobruchuschinensis (Coleoptera: Bruchidae) and Its Relationship With Quality Components," Journal of Economic Entomology 107(5), 1992-1999, (1 October 2014). https://doi.org/10.1603/EC14113
Received: 19 March 2014; Accepted: 1 August 2014; Published: 1 October 2014
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KEYWORDS
Callosobruchus chinensis
Pisum sativum
quality component
resistance screening
Vicia faba
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