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Genetic Analysis of Cold Tolerance of Root System in Seedlings of Dongxiang Wild Rice
Pages: 1-3,7
Year: Issue:  2
Journal: Acta Agriculturae Jiangxi

Abstract: 采用沙培法,应用主基因多基因混合遗传模型分析了低温胁迫下强耐冷的东乡野生稻与两个冷敏感籼稻所配组合6个世代材料苗期根系形态性状的遗传,发现东乡野生稻最长不定根长的遗传属于1对加性主基因+加性-显性多基因遗传,不定根数为2对显性-加性-上位性主基因遗传.其中主基因的遗传力都不是很高,表明环境对水稻根系耐冷性的遗传有着不可忽视的影响.
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