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ACTA HORTICULTURAE SINICA ›› 2013, Vol. 40 ›› Issue (9): 1731-1740.

• Vegetables • Previous Articles     Next Articles

Recent Advances on Genetics and Mapping of Resistance to Bacterial Spot in Tomato

YANG Wen-cai*   

  1. Beijing Key Laboratory of Growth and Developmental Regulation for Protected Vegetable Crops;Department of Vegetable Science,College of Agriculture and Biotechnology,China Agricultural University,Beijing 100193,China
  • Online:2013-09-25 Published:2013-09-25

Abstract: Bacterial spot caused by Xanthomonas is a bacterial disease that severely affects tomato production. In recent years,the rapid changes of the races in the pathogen of the disease,particularly the spread of X. gardneri,facilitated the work on genetics of resistance,mapping of genes,and marker-assisted
breeding for resistance to the disease in tomato. To date,three genes and five QTLs conferring resistance to race T3 as well as three QTLs for resistance to race T4 have been mapped,some of them have been finely mapped,marker-assisted selection system has been established,and varieties with resistance to race T4 have been developed. This paper will summarize these newest progresses,analyze the existing issues,and discuss the promise of investigating the genetics of resistance to bacterial spot and its application to tomato breeding. This will provide some information for breeding of resistance to bacterial spot in tomato.

Key words: tomato bacterial spot, resistance, gene, QTL, mapping

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