摘要
以黄瓜野生变种PI183967(Cucumis sativus L.hardwickii)和新泰密刺选系931为亲本获得的包含179个单株的F2群体为作图群体,构建了一张包含234个SSR标记、7个连锁群(分别对应黄瓜的7条染色体)的黄瓜遗传图谱,该图谱覆盖基因组长度829.7cM,平均图距3.5cM。结合F2和F3的表型数据,共检测到5个瓜长QTL,分布在第1、4、6号染色体上,贡献率在7.1%～14.1%之间。
A cucumber（Cucumis sativus L.）genetic map,based on SSR（simple sequence repeat） newly developed from cucumber genome,was constructed with a population consisting of 179 F2 individuals from a cross of PI183967 and Northern Chinese type inbred line 931. The map includes 234 SSR markers in seven linkage groups spanned 829.7 cM. The map density was 3.5 cM/marker. On the basis of this SSR genetic map,quantitative trait loci（QTL）associated with cucumber fruit-length trait was detected among F2 population and F2：3 families. Two QTLs were detected in F2 population and three QTLs in F2：3 families. The five QTLs were distributed in Chromosome 1,4 and 6,and the variation was ranged from 7.1 %-14.1 %.
出处
《中国蔬菜》
北大核心
2010年第12期20-25,共6页
China Vegetables
基金
国家现代农业产业技术体系建设专项资金资助
948项目(2008-Z42)
国家"863"计划项目(2006AA100108
2006AA10Z1A8
2008BADB1B05)
农业部园艺作物遗传改良重点开放实验室资助项目
