Confirmation of a major QTL on chromosome 10 for maize kernel row number in different environments
文献类型: 外文期刊
第一作者: Tian, Baohua
作者: Tian, Baohua;Wang, Jianhua;Wang, Guoying
作者机构:
关键词: mapping;quantitative trait loci;kernel row number;molecular marker;maize
期刊名称:PLANT BREEDING ( 影响因子:1.832; 五年影响因子:1.956 )
ISSN: 0179-9541
年卷期: 2014 年 133 卷 2 期
页码:
收录情况: SCI
摘要: Maize kernel row number (KRN) is an important agronomic trait. In this study, 13 quantitative trait loci (QTL) for maize KRN were identified in different environments using F-2:3 and F-2:4 populations developed from two inbred lines. These QTL are distributed on chromosomes 2,3,5,8 and 10, and the genic effects are additive or partially dominant. Using the BC3F2:3 populations developed from the same parental lines, QTL of KRN located on chromosomes 5 and 10 were also identified in two environments. Three BC5F2:3 populations were used to confirm the major QTL for KRN between ssr1430 and umc1077 on chromosome 10(qKRN10). This result will facilitate the fine mapping and map-based cloning of this major QTL in the future.
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