Mapping of Hd6-f1 Gene on Rice Heading Date
Zhou Pengfei
Liu Xu
Zhang Hua
Xuan Ning
Li Jun
Yang Yongyi
Li Guangxian
Yao Fangyin
Liu Kaiqi
Abstract：Using the BC4F2 segregation populations of Minghui 63(donor) and Zaoshuyu 6(receptor) as materials, the SSR markers were located for the gene on rice heading date by the bulked segregation analysis (BSA).The BC4F2 population had 253 early heading plants and 657 late heading plants( χ2 =3.66<P0.05 =3 .84 ) .Its segregation accorded with the ratio of 1∶3 , which confirmed that the heading date was controlled by a pair of alleles and the late heading character was dominant .Using the 253 early heading plants of BC 4 F2 population as mapping population , the gene on heading date named Hd6-f1 was mapped on chromosome 6 between SSR markers RM19771 and RM527 with the genetic distances as 0.2 cM and 2.9 cM respectively, and co-segregated with RM19780 .
Keywords：Oryza sativaHeading dateBulked segregation analysisSSR molecular markerGene location
Publication Date：2015-01-31
Online Publishing Date：2026-05-22(First online date of this platform, not the publication date of the document)
Pages：4( 12-15 )