New source of bacterial soft rot resistance in wild potato (Solanum chacoense) tubers

被引：0
|
作者：
Yong Suk Chung
Changsoo Kim
Shelley Jansky
机构：
[1] Chungnam National University,Department of Crop Science
[2] USDA-ARS,Department of Horticulture
[3] University of Wisconsin,undefined
来源：
Genetic Resources and Crop Evolution | 2017年 / 64卷
关键词：
Barrier-like resistance mechanism; Breeding; M6; Wound healing; Scoring method;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Bacterial soft rot caused by Pectobacterium and Dickeya species can cause major losses to the potato (Solanum tuberosum L.) industry, mostly due to tuber rot in storage. There are few germplasm resources for soft rot resistance breeding. Here, we introduce a resistant diploid wild potato relative, M6, identified with a new disease scoring method. M6 shows a barrier-like resistance mechanism which appears to be a rapid form of wound healing. We found that scoring for this lesion type is correlated with soft rot resistance. This new resource for resistance and the new scoring method can enhance efforts to breed for resistance to bacterial soft rot and improve evaluation efforts.
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页码：1963 / 1969
页数：6
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