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CHEN Xue-Feng, LIU Shu, ZHU Ren-Shan, YU Tao, ZHU Ying-Guo. Isozyme Locus Analysis in Shoots for Different Types of Hybrids and Their Parents in Rice[J]. Plant Science Journal, 2001, 19(3): 181-186.
Citation: CHEN Xue-Feng, LIU Shu, ZHU Ren-Shan, YU Tao, ZHU Ying-Guo. Isozyme Locus Analysis in Shoots for Different Types of Hybrids and Their Parents in Rice[J]. Plant Science Journal, 2001, 19(3): 181-186.
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Isozyme Locus Analysis in Shoots for Different Types of Hybrids and Their Parents in Rice

  • Key Laboratory of MOE for Plant Developmental Biology, Wuhan University, Wuhan 430072, China

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  • Received Date: August 27, 2000
  • Revised Date: November 06, 2000
  • Published Date: May 23, 2001
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  • In order to reveal genetic basis of heterosis in rice,studies were performed on isozymes of 14 kinds of enzymes in shoots for 6 hybrids and their parents;and isozyme loci were detected for isozyme bands which were clear and stable.Related data to 28 loci were acquired,which include character,phenotype polymorphism of each locus and enzyme activity,average relative mobility of enzyme bands encoded by each locus.No differences were shown among all of the experimental materials on 25 loci,and differences only appeared among 6 hybrids and their parents on 3 loci(i.e.Est-4,Amy-1,Aat-2),in which,isozyme bands of 81.8 percent combinations showed co-dominance phenomena.In addition,the relationships between co dominance and heterosis were discussed.
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