文献类型： 外文期刊
作者： Jiang J.;Wang L.;Fan G.;Long Y.;Lu X.;Wang R.;Liu H.;Qiu X.;Zeng D.;Li Z.
作者机构：
关键词： genetic map;morphology trait of panicle;QTLs;rice
期刊名称： Plants
ISSN： 2223-7747
年卷期： 2024 年 13 卷 2 期
页码：
收录情况： SCIE（2024版）
摘要： The morphological characteristics of the rice panicle play a pivotal role in influencing yield. In our research, we employed F2 and F2:3 populations derived from the high-yielding hybrid rice variety Chaoyou 1000. We screened 123 pairs of molecular markers, which were available, to construct the genetic linkage map. Subsequently, we assessed the panicle morphology traits of F2 populations in Lingshui County, Hainan Province, in 2017, and F2:3 populations in Hangzhou City, Zhejiang Province, in 2018. These two locations represent two types of ecology. Hangzhou’s climate is characterized by high temperatures and humidity, while Lingshui’s climate is characterized by a tropical monsoon climate. In total, 33 QTLs were identified, with eight of these being newly discovered, and two of them were consistently detected in two distinct environments. We identified fourteen QTL-by-environment interactions (QEs), which collectively explained 4.93% to 59.95% of the phenotypic variation. While most of the detected QTLs are consistent with the results of previous tests, the novel-detected QTLs will lay the foundation for rice yield increase and molecular breeding. © 2024 by the authors.
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