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| 1 | 叶绿素含量相关QTL定位研究进展显示文摘叶绿素含量属于数量性状,利用QTL定位是对其性状进行分析的重要方法之一,有利于加快作物高光效育种进程。本文综述了QTL研究的主要策略和近年来叶绿素含量初步定位和精细定位工作研究进展以及存在的问题,并对未来的研究方向提出建议,以期为今后深入开展叶绿素QTL定位研究及相关基因克隆研究和利用提供参考。 | 叶景秀 柳海东 | 2019 | 青海大学学报(自然科学版)2019，37，4： | 4 |
| 2 | Quantitative Trait Locus Mapping of High Photosynthetic Efficiency and Biomass in Oryza longistaminata显示文摘Photosynthetic efficiency,a key trait that determines yield potential in rice,is quantitatively regulated by multiple genes.Utilization of valuable genetic resources hidden in wild rice is an effective way to improve rice photosynthesis and yield potential.In this study,152 backcross inbred lines derived from wild rice Oryza longistaminata were explored for QTL mapping of photosynthetic rate(Pn)and biomass(BM)in natural fields.Five novel QTLs for Pn and seven QTLs for BM or daily biomass(DBM)derived from O.longistaminata were identified.One of these QTLs,qPn8.1,could significantly improve Pn and was located in a 68-kb region containing only 11 candidate genes.Meanwhile,qBM1.1 and qDBM1.1 for BM and DBM on chromosome 1 were overlapped with qPn1.1 for Pn from 9311,and could affect both Pn and BM in natural fields.These QTLs identified in O.longistaminata may provide a novel alternative to explore new genes and resources for yield potentiality,highlighting the important role of wild rice in rice breeding programs. | SI Fengfeng FAN Fengfeng WEI Xiao HE Shihao LI Xianlong PENG Xiaojue LI Shaoqing | 2022 | Rice science2022，29，6： | 0 |
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