| 灰色关联度分析法评价油葵杂交种的初探 |
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| 引用本文： | 胡启林,向理军.灰色关联度分析法评价油葵杂交种的初探[J].中国油料作物学报,1991(3). |
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| 作者姓名： | 胡启林 向理军 |
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| 作者单位： | 新疆农业科学院经济作物研究所
(胡启林)，新疆农业科学院经济作物研究所(向理军) |
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| 摘 要： | 本文在油葵杂交种的分析比较上运用灰色系统理论—灰色关联度分析法,对油葵的花盘直径、单盘粒重、百粒重、产量等几个主要的经济性状进行综合、定量的考查。在无量纲化后,计算出各杂交种与“理想杂交种”的关联系数和加权关联度,通过各杂交种加权关联度的比较,从而给予各杂交种的全面、综合、定量的客观评价,结果表明此方法与单项产量比较法结果一致,而且简便有效。
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| 关 键 词： | 理想杂交种 关联度 关联系数 权重系数 |
A PRELIMINARY STUDY OF EVALUATING SUNFLOWER CROSS-BREEDS BY GREY RELATED DEGREE ANALYSIS |
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| Hu Qilin Xiang Lijun.A PRELIMINARY STUDY OF EVALUATING SUNFLOWER CROSS-BREEDS BY GREY RELATED DEGREE ANALYSIS[J].Chinese Journal of Oil Crop Sciences,1991(3). |
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| Authors: | Hu Qilin Xiang Lijun |
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| Abstract: | In this paper,the grey system theory-a method of grey related degree analysis was utilized to analyse sunflower cross-breeds.The comprehensive and quantitative study and survey to some important economic characters were made diameter of the flower disc,the seeds weight of single disc,the weight of 100-seed and yeild ect.Having calculated out the related coefficient and the weighted related degree between various cross-breedsand the "ideal cross-breed".Through comparising the weighted relateddegrees of these cross-breads,then made an all-sided,comprehensive,quantitative and objective evaluation.The result showed above method keep identical with the method of comparising individual yeild.However,the former was simple and efficient. |
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| Keywords: | Ideal cross-breed Related coefficient Related degree Weignted coefficient |
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