| 籼粳杂交后代性状与产量的灰色关联度分析 |
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| 引用本文： | 赵磊峰,彭凤梅,杨华松,徐绍忠,颜克久. 籼粳杂交后代性状与产量的灰色关联度分析[J]. 西南大学学报(自然科学版), 2002, 24(3): 220-222 |
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| 作者姓名： | 赵磊峰 彭凤梅 杨华松 徐绍忠 颜克久 |
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| 作者单位： | 云南农业大学农学与生物技术学院 云南昆明650201(赵磊峰，彭凤梅，杨华松，徐绍忠)，云南农业大学农学与生物技术学院 云南昆明650201(颜克久) |
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| 基金项目： | 云南省农业厅、教育厅联合资助课题 |
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| 摘 要： | 采用灰色关联度系统理论，对云南农业大学选育的籼粳亚种间杂交后代12个常规籼稻品种和稳定品系的8个主要性状与产量的关系进行了综合分析评判，结果表明：应用灰色关联排序结果与实际表现和应用一致；高产品种应表现植株高度适中、有效穗多、穗部籽粒着重致密、结实好、单株产量高。
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| 关 键 词： | 籼粳 杂交后代 性状 产量 灰色关联度 零化序列值 植株高度 有效穗 穗部籽粒 |
| 文章编号： | 1000-2642(2002)03-0220-03 |
| 修稿时间： | 2001-11-19 |
GRAY CORRELATION ANALYSIS OF DIFFERENT TRAITS IN THE PROGENIES OF SUB-SPECIFIC CROSSES BETWEEN JAPONICA AND INDICA RICE AND THEIR YIELD |
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| ZHAO Lei-feng,PENG Feng-mei,YANG Hua-song,XU Shao-zhong,YAN Ke-jiu. GRAY CORRELATION ANALYSIS OF DIFFERENT TRAITS IN THE PROGENIES OF SUB-SPECIFIC CROSSES BETWEEN JAPONICA AND INDICA RICE AND THEIR YIELD[J]. Journal of southwest university (Natural science edition), 2002, 24(3): 220-222 |
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| Authors: | ZHAO Lei-feng PENG Feng-mei YANG Hua-song XU Shao-zhong YAN Ke-jiu |
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| Abstract: | Based on the theory of gray correlation system, a comprehensive analysis and appraisal were made of the relationship between the yield and 8 agronomic characters in 12 indica rice varieties and stable lines developed by Yunnan Agricultural University through inter-subspecific hybridization of indica rice with japonica rice. The results of the analysis were consistent with the actual performance of the varieties. High-yielding varieties were characterized by medium plant height, large number of effective spikes, compact arrangement of grains on the spike, good seed-setting and high yield per plant. |
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