杂交粳稻产量及相关性状配合力分析
用7个三系不育系和10个优良恢复系按NCⅡ交配设计,对其主要农艺性状的配合力进行分析。结果表明,杂种产量受亲本一般配合力影响,主要由其特殊配合力决定,在各亲本产量性状上,一般配合力与特殊配合力具有相对独立性,在杂交稻组合选育上,在考虑亲本一般配合力的同时,应着重考虑其特殊配合力。穗粒数和千粒重,一般配合力基因型方差恢复系大于不育系,产量和结实率、有效穗数、株高、穗长、穗粒密度等性状一般配合力基因型方差不育系大于恢复系,表明杂种产量及其产量性状多数受母本的影响要大于父本,在杂交组合选配,全面考虑亲本性状同时,要重点考虑母本对杂交种的影响。...
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Published in | Xinan nongye xuebao Vol. 22; no. 4; pp. 884 - 887 |
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Main Author | |
Format | Journal Article |
Language | Chinese |
Published |
沈阳农业大学,辽宁,沈阳,110161
2009
辽宁省稻作研究所,辽宁,沈阳,110161%辽宁省稻作研究所,辽宁,沈阳,110161%沈阳农业大学,辽宁,沈阳,110161 |
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Abstract | 用7个三系不育系和10个优良恢复系按NCⅡ交配设计,对其主要农艺性状的配合力进行分析。结果表明,杂种产量受亲本一般配合力影响,主要由其特殊配合力决定,在各亲本产量性状上,一般配合力与特殊配合力具有相对独立性,在杂交稻组合选育上,在考虑亲本一般配合力的同时,应着重考虑其特殊配合力。穗粒数和千粒重,一般配合力基因型方差恢复系大于不育系,产量和结实率、有效穗数、株高、穗长、穗粒密度等性状一般配合力基因型方差不育系大于恢复系,表明杂种产量及其产量性状多数受母本的影响要大于父本,在杂交组合选配,全面考虑亲本性状同时,要重点考虑母本对杂交种的影响。 |
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AbstractList | 用7个三系不育系和10个优良恢复系按NCⅡ交配设计,对其主要农艺性状的配合力进行分析。结果表明,杂种产量受亲本一般配合力影响,主要由其特殊配合力决定,在各亲本产量性状上,一般配合力与特殊配合力具有相对独立性,在杂交稻组合选育上,在考虑亲本一般配合力的同时,应着重考虑其特殊配合力。穗粒数和千粒重,一般配合力基因型方差恢复系大于不育系,产量和结实率、有效穗数、株高、穗长、穗粒密度等性状一般配合力基因型方差不育系大于恢复系,表明杂种产量及其产量性状多数受母本的影响要大于父本,在杂交组合选配,全面考虑亲本性状同时,要重点考虑母本对杂交种的影响。 S511.2+2; 用7个三系不育系和 10个优良恢复系按 NCⅡ交配设计,对其主要农艺性状的配合力进行分析.结果表明,杂种产量受亲本一般配合力影响,主要由其特殊配合力决定,在各亲本产量性状上,一般配合力与特殊配合力具有相对独立性,在杂交稻组合选育上,在考虑亲本一般配合力的同时,应着重考虑其特殊配合力.穗粒数和千粒重,一般配合力基因型方差恢复系大于不育系,产量和结实率、有效穗数、株高、穗长、穗粒密度等性状一般配合力基因型方差不育系大于恢复系,表明杂种产量及其产量性状多数受母本的影响要大于父本,在杂交组合选配,全面考虑亲本性状同时,要重点考虑母本对杂交种的影响. |
Author | 王昌华 张燕之 郑文静 赵家铭 周琉珩 徐正进 |
AuthorAffiliation | 沈阳农业大学,辽宁沈阳110161 辽宁省稻作研究所,辽宁沈阳110161 |
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Author_FL | WANG Chang-hua ZHAO Jia-ming ZHOU Yu-hang XU Zheng-jin ZHANG Yan-zhi ZHENG Wen-jing |
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DocumentTitleAlternate | Analysis of Combining Ability of Yield and Its Main Relative Characters in Japonica Hybrid Rice |
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Title | 杂交粳稻产量及相关性状配合力分析 |
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