Title: Response of Three Resistance Genes to Damage of Aphis gossypii Glover(Hemiptera: Aphididae) in Cotton
Abstract: Cotton has a complex genetic background. The aim of this study is to better understand the responses of resistance genes in different cotton varieties damaged by Aphis gossypii. We collected damaged leaves in the field from four cotton varieties, CCRI 41, CCRI 44, CCRI 49 and CCRI 79. Fuorescent quantitative PCR, was used to analyze the expression levels of polyphenol oxidase(PPO) genes, Cu/Zn superoxide dismutase(Cu/Zn SOD) and heat shock protein70(HSP70) genes. The results showed that the responses of these resistance genes to damage of A. gossypii were different in the four cotton varieties. Thiis indicates that different cotton varieties use different resistance networks to response aphid damage. Our findings provide a reference for selecting aphid resistant cotton, and for the study of resistance mechanisms.
Publication Year: 2013
Publication Date: 2013-01-01
Language: en
Type: article
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