QTL mapping of resistance to sheath blight in maize (Zea Mays L.)
文献类型: 外文期刊
第一作者: Yang, H
作者: Yang, H;Yang, JP;Rong, TZ;Tan, J;Qiu, ZG
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关键词: sheath blight;SSR;QTL mapping;maize
期刊名称:CHINESE SCIENCE BULLETIN ( 影响因子:1.649; 五年影响因子:1.738 )
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收录情况: SCI
摘要: The genetic linkage map has been constructed with 125 SSR markers based on BC_(1:) population consisting of 322 lines derived from the combination of (CML270 X478) XCML270 in maize (Zea mays L.), covering 1939.? cM of maize genome. The average mapping distance was about 15.5 cM. Three major QTLs of the relative resistant index of resistance to maize sheath blight (Rhizoctonia solani) had been located on chromosomes 1, 7 by composite interval mapping (CIM). 7 QTLs of the plant height have been located on chromosomes 3, 4, 5, 6. Five QTLs of ear height have been located on chromosomes 3, 4, 6. The resistance to the sheath Might is shown to be not relative to plant height and ear height genetically. Inbred line CML270 was used for molecular assisted selection and cloning the genes.
分类号: N1
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