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大白菜抗TuMV-C_4的QTL分析
引用本文:张明,潘春清,张俊华,屈淑萍,崔崇士.大白菜抗TuMV-C_4的QTL分析[J].中国瓜菜,2011,24(2):1-5.
作者姓名:张明  潘春清  张俊华  屈淑萍  崔崇士
作者单位:东北农业大学,哈尔滨,150030
基金项目:国家"863"项目,东北农业大学科技人才启动基金
摘    要:采用高抗芜菁花叶病毒C4株系(TuMV-C4)的大白菜高代自交系A52-2为父本、感病自交系高IV-5为母本杂交后获得的F2代263个单株作为作图群体,利用SRAP分子标记技术进行遗传分析,构建了1张包含10个连锁群,由152个 SRAP标记组成的大白菜分子遗传图谱。该图谱覆盖长度为1066.3cM,平均图距7.06cM。利用Windows QTL Cartographer V2.0软件和复合区间作图法进行分析,共检测到5个与抗TuMV-C4株系相关的QTLs。

关 键 词:大白菜  芜菁花叶病毒  分子遗传图谱  数量性状位点(QTL)

QTL Analysis of TuMV-C4 Resistance in Chinese Cabbage
ZHANG Ming,PAN Chun-qing,ZHANG Jun-hua,QU Shu-ping,CUI Chong-shi.QTL Analysis of TuMV-C4 Resistance in Chinese Cabbage[J].China Cucurbits And Vegetables,2011,24(2):1-5.
Authors:ZHANG Ming  PAN Chun-qing  ZHANG Jun-hua  QU Shu-ping  CUI Chong-shi
Institution:ZHANG Ming,PAN Chun-qing,ZHANG Jun-hua,QU Shu-ping,CUI Chong-shi(Northeast Agricultural University,Harbin,Heilongjiang,150030,China)
Abstract:A Chinese cabbage F2 population consisting of 263 individuals was derived from the cross between resistance lines A52-2 and susceptible lines GAO IV-5.Using the F2 population,a total of 152 SRAP markers were mapped to 10 linkage groups,covering 1 066.3 cM with an average distance of 7.06 cM between loci.Five QTLs of TuMV-C4 resistance as reveled by artificial inoculation were identified suing Windows QTL Cartographer V2.0 software and interval mapping method.
Keywords:Chinese cabbage  TuMV  Genetic linkage map  Quantitative trait loci(QTL)  
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