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  • Title: [QTL analysis of anther length and ratio of stigma exsertion, two key traits of classification for cultivated rice (Oryza sativa L.) and common wild rice (O. rufipogon Griff.)].
    Author: Li C, Sun CQ, Mu P, Chen L, Wang XK.
    Journal: Yi Chuan Xue Bao; 2001 Aug; 28(8):746-51. PubMed ID: 11554349.
    Abstract:
    A genetic map including 120 RFLP markers covering 1418.2 cM has been constructed using a BC1 population derived from a cross between common wild rice (Oryza rufipogon Griff.) from Dongxiang, Jiangxi Province, China, and an elite Indica variety Guichao 2. The linkage orders and genetic distances of markers in this map are consistent with the map constructed by Rice Genome Program of Japan except the markers of short arm of Chromosome 1. The QTLs analysis of anther length and ratio of stigma exsertion, two key traits of classification for cultivated rice and common wild rice indicated that there are two QTLs controlling anther length located at the region of C424-G39 of Chromosome 2, and C2807-C1263 of Chromosome 9 respectively. It was also found that there are two QTLs controlling ratio of stigma exsertion, and located at the region of C2289-R1553 of Chromosome 5 and G1149-R1963 of Chromosome 8 respectively. The detected QTLs affecting the key traits of classification for wild rice and cultivated rice will be useful for study of molecular evolution mechanism of cultivated rice.
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