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Acta Agron Sin ›› 2007, Vol. 33 ›› Issue (01): 154-157.

• RESEARCH NOTES • Previous Articles     Next Articles

Molecular Identification of a Novel Phytophthora Resistance Gene in Soybean

ZHU Zhen-Dong1,HUO Yun-Long12,WANG Xiao-Ming1,HUANG Jun-Bin2,WU Xiao-Fei1   

  1. 1Institute of Crop Science, Chinese Academy of Agricultural Sciences, The National Key Facilities for Crop Genetic Resources and Improvement, NFCRI, Beijing 100081; 2College of Plant Science and Technology, Huangzhong Agricultural University, Wuhan 430070, Hubei, China
  • Received:2006-02-17 Revised:1900-01-01 Online:2007-01-12 Published:2007-01-12
  • Contact: ZHU Zhen-Dong

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Abstract:

Phytophthora root rot, caused by Phytophthora sojae Kaufmann & Gerdemann, is one of the most important diseases in soybean throughout the world. Deployment of resistant cultivars is the preferred method for controlling this disease. In this study, a dominant Phytophthora resistance gene was identified and mapped by using microsatellite markers. The gene, designated RpsYB30, was identified in soybean cultivar Youbian 30, located on soybean MLG L, and flanked by microsatellite markers Satt497 and Satt313 with genetic distances 4.4 cM and 3.3 cM, respectively. RspYB30 is a novel Phytophthora resistance gene to be first found on MLG L genes.

Key words: Glycine max, Phytophthora sojae, Resistance gene, Microsatellite marker

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