ZAN Kai,ZHOU Qing,ZHANG Zhi-min,et al.Gray Correlation Analysis and DTOPSIS Method for Comprehensive Agronomic Performance Analysis of New Soybean Varieties(Lines) in Henan Regional Test[J].Soybean Science,2018,37(05):664-671.[doi:10.11861/j.issn.1000-9841.2018.05.0664]
灰色关联度和DTOPSIS法综合分析河南区域试验中大豆新品种(系)的农艺性状表现
- Title:
- Gray Correlation Analysis and DTOPSIS Method for Comprehensive Agronomic Performance Analysis of New Soybean Varieties(Lines) in Henan Regional Test
- 文献标志码:
- A
- 摘要:
- 为了给鉴定和评价大豆新品种(系)提供依据和方法,本研究应用灰色关联度分析法和DTOPSIS法对参加2014年河南省夏大豆区域试验的14个品种(系)进行综合分析评价,将各参试品种的综合性状优劣进行排序,并分析了两种方法在综合评价方面的优劣。为确保综合评价结果的客观性和可靠性,本研究利用灰色关联度法确定各性状的权重值,并对这两种方法设置相同的标准品种,以便于对两种方法的分析结果进行比较,从而验证灰色关联度法和DTOPSIS法分析结果的准确性,结果表明:DTOPSIS法计算出的品种间Ci值差异明显,品种间综合性状的差异表现充分,而灰色关联度分析法计算出的品种间Gi值差异不大,综合评价效果较差;相关性分析表明各品种用灰色关联度分析法和DTOPSIS法计算出的品种优劣排名具有一致性,与仅依据品种产量的优劣排名不具有一致性。以上结果说明:灰色关联度法和DTOPSIS法都能对大豆品种(系)作出科学的综合评价,其中DTOPSIS法具有相对更好的评价效果。
- Abstract:
- In order to provide basis and method for identifying and estimating the new soybean varieties (lines), gray correlation analysis method and DTOPSIS method were used to comprehensively evaluate 14 soybean varieties (lines) which participated in the summer soybean regional test in Henan province in 2014. The advantages and disadvantages of each tested variety were evaluated to identify and appraise these new soybean varieties(lines), and the effects of the two methods on comprehensive evaluation were assessed as well. The traits weight were determined by the method of gray correlation to ensure the objectivity and reliability of the comprehensive evaluation results, at the same time, the same standard varieties were utilized in the method of gray correlation analysis and the DTOPSIS to verify the accuracy of the analysis results by comparing the analysis results of these two methods. Comparison results between these two methods showed that the differences of Ci values calculated by DTOPSIS method for different varieties were significant, meaning that the differences in comprehensive traits between varieties were fully expressed. While the Gi values of gray correlation analysis method were not significant, by which a conclusion was drawn that the comprehensive evaluation effects of gray correlation analysis method were poorer than the DTOPSIS method. The results of correlation analysis showed that the varieties had a consistent ranking in the calculation method of the gray correlation analysis and the DTOPSIS, and were not consistent with the rankings based simply on the yield of the varieties. All of the above illustrated that both of the gray correlation analysis and DTOPSIS method can make scientific comprehensive evaluation of soybean varieties (lines), among which the DTOPSIS method has a relatively better evaluation effect.
参考文献/References:
[1]刘录祥,孙其信,王士芸. 灰色系统理论应用于作物新品种综合评估初探[J]. 中国农业科学, 1989, 22(3): 22-27. (Liu L X, Sun Q X, Wang S Y. A preliminary study on multifactorial evaluation of new crop varieties with the application of the gray system theory[J]. Scientia Agricultura Sinica, 1989, 22(3): 22-27.)
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备注/Memo
收稿日期:2018-05-21