Scientia Agricultura Sinica ›› 2005, Vol. 38 ›› Issue (07): 1295-1299 .doi: 10.3864/j.issn.0578-1752.at-2004-2490

• CROP GENETICS & BREEDING·GERMPLASM RESOURCES • Previous Articles     Next Articles

Validation of SSR Marker Assisted Selection for Polyphenol Oxidase Activities in Common Wheat

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  1. 中国农业科学院作物所
  • Received:2004-06-23 Revised:2004-10-20 Online:2005-07-10 Published:2005-07-10

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Abstract: Polyphenol oxidase (PPO) is highly related to undesirable brown discoloration of wheat-based end products such as noodles. It is important to identify molecular markers associated with PPO activities for marker-assisted selection (MAS) for wheat quality improvement. A total of 203 Chinese winter wheat cultivars and lines were analyzed to investigate the correlation of PPO activities with a SSR（simple sequence repeat）marker Xgwm312. The results indicated that a fragment with 198 bp is apparently correlated with high PPO activities in wheat grain. The marker Xgwm312 can be used for MAS for PPO activities.

Key words: Triticum aestivum L., Polyphenol oxidase, SSR marker, MAS

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