ZHAO Hai-dong,FENG Nai-jie,ZHENG Dian-feng,et al.Factor Analysis and Comprehensive Evaluation of Soybean Strain in Cold Area of North of Northeast China[J].Soybean Science,2018,37(03):329-336.[doi:10.11861/j.issn.1000-9841.2018.03.0329]
东北北部高寒区大豆品系因子分析及综合评价
- Title:
- Factor Analysis and Comprehensive Evaluation of Soybean Strain in Cold Area of North of Northeast China
- Keywords:
- Soybean strains; Cold area in northeast region; Adaption; Factor analysis; Clustering analysis
- 文献标志码:
- A
- 摘要:
- 为合理利用大豆种质资源,选取适合寒区种植的大豆品系,2017年在黑龙江省黑河市嫩江县鹤山农场对30份大豆品系的10个农艺性状及产量性状进行变异性、相关性、因子分析和聚类分析。结果表明:大豆种质资源10个农艺性状的变异系数为4.66%~87.53%,其中单株瘪荚数变异系数最大,单位面积株数变异系数最小;因子分析将10个性状浓缩为4个主因子,分别为结荚数因子、高度因子、粒重因子和株数因子,且累计贡献率高达84.74%;聚类分析表明,30份大豆品系可聚类成3大类,第1类群共计15份品系,第2类群共计11份品系,第3类群共计4份品系,分别为CS1737、CS1733、CS1704和CS1761,适宜该寒区推广种植。
- Abstract:
- In order to make reasonable use of soybean germplasm resources, and select suitable soybean strains, the variability, correlation, factor analysis and clustering analysis of 10 agronomic traits and yield traits of 30 soybean strains were researched. Experiment was conducted from May to October in 2017 at the experimental farm of Heshan, Daqing, Heilongjiang province of China(N48.43°, E124.56°). The results showed that the variation coefficient of 10 agronomic traits of soybean germplasm resources were 4.66%-87.53%, among which the coefficient of the number of flat pods was the largest. However, the number of units per area was the lowest, 10 agronomic traits were combined to 4 major factors by factor analysis, pods number factors, height factors, seeds weight factors and plants number factors, respectively, which accounting for 84.74% of the cumulative contribution rate. Clustering analysis showed that 30 soybean strains could be clustered into three categories. The first categories included 15 strains, the second categories included 11 soybean strains, other strains were defined the third categories and suitable planted in thd cold region.
参考文献/References:
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备注/Memo
收稿日期:2017-12-22