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Identification of Fusarium wilt resistance gene SiRLK1 in Sesamum indicum L.

The Crop Journal 2024年第1期12卷 252-261页

作者： Yinghui Duan Wenwen Qu Shuxian Chang Ming Ju Cuiying Wang Cong Mu Hengchun Cao Guiting Li Qiuzhen Tian Qin Ma Zhanyou Zhang Haiyang Zhang Hongmei Miao The Shennong Laboratory Zhengzhou 450002HenanChina Henan Sesame Research Center Henan Academy of Agricultural SciencesZhengzhou 450002HenanChina Key Laboratory of Specific Oilseed Crops Genomics of Henan Province Henan Sesame Research CenterHenan Academy of Agricultural SciencesZhengzhou 450002HenanChina

Sesame Fusarium wilt(SFW),caused by Fusarium oxysporum ***(Fos),is one of the most devastating diseases affecting sesame *** the genetic control of SFW resistance is pivotal for effective disease management in *** inheritance study on a cross between the highly resistant variety Yuzhi 11 and the highly susceptible accession Sp1 using a Fos pathogenicity group 1 isolate indicated that resistance was conferred by a single dominant *** target locus was located in a 1.24 Mb interval on chromosome 3 using a combination of cross-population association mapping and bulked segregant *** genetic mapping further narrowed the interval between 21,350 and 21,401 *** locus Sindi_0812400 was identified as the SFW resistance gene and officially designated *** gene encodes a specific malectin/receptor-like protein kinase with three putative tandem kinase domains and is considered a kinase fusion *** analysis revealed that a high proportion(49.44%)of variants within the locus was located within the kinase domainⅢ,and several of which were evidently associated with the diversity in SFW response,indicating the critical role of kinase domainⅢin expression of disease *** findings provide valuable information for further functional analysis of SFW resistance genes and marker-assisted resistance breeding in sesame.

关键词： breeding for resistance Genetic analysis Molecular analysis Tandem kinase domain

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Utilization and Inheritance of Watermelon resistance to Fusarium oxysporum *** Introduced from Bottle Gourd

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Hunan Agricultural Science ＆ Technology Newsletter 2001年第4期2卷 13-15页

作者： Xiao Guanghui,Liu Jianxiong,Xiao Lanyi,Wu Dexi,and Luo Herong Longping High -TeA Xiangyuan Fruit and Melon Seeds and Seedlings Company,Changsha 410125,China Longping High - Tech Xiangyuan Fruit and Melon Seeds and Seedlings Company Changsha 410125 China

Sugar Baby susceptible to Fusarium oxysporum *** was crossed with high resistant male parents D3-1 and D3-2,respectively.F1 hybrids showed high *** segregation ratios of resistance to susceptibility of F2 and of BC1 hybrid population from Sugar Baby tallied with 3:1 and 1:1,*** results indicated that the resistance to Fusarium wilt was a kind of dominant inheritance controlled by mono-gene or mono-segment ***,5 hybrid combinations with fine character were *** them,3 were high resistant to Fusarium wilt,and 2 were medium resistant.

关键词： bottle gourd Fusarium wilt breeding for resistance watermelon

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