文献类型： 外文期刊
第一作者： Wang, Xiaoling
作者： Wang, Xiaoling;Zhu, Haitao;Wang, Shaokui;Zhang, Guiquan;Liu, Guifu;Wang, Xiaoling;Jin, Lingling
作者机构：
关键词： epistasis; quantitative trait loci; rice; single-segment substitution line; yield components
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： 2018 年 137 卷 3 期
页码：
收录情况： SCI
摘要： Epistasis is an important genetic component in determining the phenotype of complex quantitative trait. In this article, 12 single-locus heterozygotes and 66 double-locus heterozygotes were developed and then were applied to assay QTL epistasis for four yield-associated traits under two planting densities. Of 264 (66x4) tested interactions, 130 (49.2%) were significant at the p<.05 level. QTL with the same effect directions had higher probabilities of interactions. The negative epistasis at least included one positive effect QTL but the positive epistasis one negative QTL. The detected epistasis was sensitive to planting density. Epistasis also exhibited pleiotropic effects.
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