| 利用条件QTL定位发掘粳稻生育期和株高及单株有效穗数适用有利等位变异 |
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| 引用本文： | 江建华,赵其兵,刘强明,陈兰,陈甫龙,乔保健,洪德林.利用条件QTL定位发掘粳稻生育期和株高及单株有效穗数适用有利等位变异[J].中国水稻科学,2011,25(3):277-283. |
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| 作者姓名： | 江建华 赵其兵 刘强明 陈兰 陈甫龙 乔保健 洪德林 |
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| 作者单位： | 1. 南京农业大学,作物遗传与种质创新国家重点实验室,江苏,南京,210095
2. 江苏省泗洪县原种场丰收种业有限公司,江苏,泗洪,223905 |
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| 基金项目： | 国家863计划资助项目，高等学校学科创新引智计划资助项目，农业部948项目，教育部科技基础条件平台重点资助项目 |
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| 摘 要： | 利用粳稻品种秀水79/C堡重组自交系群体的254个株系，在南京和泗洪两个环境条件下，对水稻生育期、株高和单株有效穗数进行非条件和条件QTL定位。结果表明，2种方法检测到的3个性状的QTL均以加性效应为主，上位性位点对表型解释率较小，加性位点和上位性位点均不存在基因型与环境互作。将生育期矫正到同一水平，检测到1个单株有效穗数适用有利等位变异RM80 160bp，加性效应为0.71。将单株有效穗数矫正到同一水平，检测到1个生育期性状适用有利等位变异 RM448 240bp，加性效应为4.64。将株高矫正到同一水平，检测到1个单株有效穗数适用有利等位变异RM80 160bp，加性效应为0.62；1个生育期适用有利等位变异RM448 240bp，加性效应为3.89。利用这些适用有利等位变异改良目标性状不会对另外2个性状产生影响。
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| 关 键 词： | 粳稻 生育期 株高 单株有效穗数 非条件QTL定位 条件QTL定位 重组自交系 |
| 收稿时间： | 1900-01-01; |
Mining Applicable Elite Alleles of Growth Duration, Plant Height and Productive Panicle Number per Plant by Conditional QTL Mapping in Japonica Rice |
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| JIANG Jian-hua,ZHAO Qi-bing,LIU Qiang-ming,CHEN Lan,CHEN Fu-long,QIAO Bao-jian,HONG De-lin.Mining Applicable Elite Alleles of Growth Duration, Plant Height and Productive Panicle Number per Plant by Conditional QTL Mapping in Japonica Rice[J].Chinese Journal of Rice Science,2011,25(3):277-283. |
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| Authors: | JIANG Jian-hua ZHAO Qi-bing LIU Qiang-ming CHEN Lan CHEN Fu-long QIAO Bao-jian HONG De-lin |
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| Institution: | JIANG Jian-hua1,ZHAO Qi-bing2,LIU Qiang-ming1,CHEN Lan1,CHEN Fu-long2,QIAO Bao-jian2,HONG De-lin1,(1State Key Laboratory of Crop Genetics and Germplasm Enhancement,Nanjing Agricultural University,Nanjing 210095,China,2Fengshou Seed Corporation Limited,Plantation of Sihong County of Jiangsu Province,Sihong 223905,China) |
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| Abstract: | Unconditional QTL mapping and conditional QTL mapping were conducted for growth duration(GD),plant height(PH) and produtive panicle number per plant(PN) using a recombinant inbred line(RIL) population derived from a cross between japonica rice Xiushui 79 and C Bao.The 254-line RIL population was planted in two environments,Nanjing and Sihong,Jiangsu Proivince.Results showed that with predominant additive effects in all QTLs for GD,PH and PN detected by the two methods,the epistatic effects explained a small... |
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| Keywords: | japonica rice growth duration plant height productive panicle number per plant unconditional QTL mapping conditional QTL mapping recombinant inbred line |
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