Preliminary Localization of Resistance Gene against Tomato Gray Mold in Xinjiang

• 作者: Dai Wenting Jin Xinwen Zhang Qiang
• 来源期刊: Plant Diseases and Pests(植物病虫害研究：英文版)
• 学科: 农学
• 关键词: TOMATO GRAY MOLD resistance gene SSR MARKER Genetic mapping
• 年，卷（期）: 2017,（6）
• 页码范围: 31-34
• 页数: 4页
• 分类号: S

摘要

The genetic linkage map of F 1 progeny of tomato variety"TS-107"and susceptible cultivar"TS-100"in Xinjiang was constructed.The inheritance of resistance genes against gray mold in disease-resistant cultivar"TS-107"was studied.Genetic mapping of resistance genes through Bulked Segregation Analysis(SSA)and Simple Sequence Recognition(SSR)markers provided germplasm resources for resistance breeding against gray mold.The results showed that the resistance of tomato"TS-107"to gray mold was controlled by a dominant gene.Eleven SSR polymorphic markers were screened and the gene was located between LGVII markers SSR12510 and ECM123 by linkage analysis.There was a partial segregation phenomenon in the No.327 and No.328 markers with significant difference,and the two markers had partial segregation sites.