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Study finds key candidate genes regulating peach aphid resistance

 Last Update: 2022-09-05
 Source: Internet
 Author: User

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Recently, the stone fruit cultivation physiology innovation team of Zhengzhou Fruit Tree Research Institute, Chinese Academy of Agricultural Sciences has discovered a key candidate gene PpRm3 that regulates the resistance of peach aphid in peach trees.

The peach aphid is the most serious pest of peach trees in spring.

To this end, the team took 'Shouxingtao' as the source of resistance, and after careful analysis of the genetic law of aphid-resistant traits, BSA localization of anti-aphid regulatory sites, and comprehensive use of BAC library construction, third-generation PacBio sequencing, second-generation resequencing and transcription Through genomic sequencing and other technical means, the resistance of 'Shouxingtao' aphid was finally determined from the new NLR disease resistance gene in the peach genome

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