基于主成分-聚类分析的不同水分冬小麦晚霜冻害评价
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王洋洋, 贺利, 任德超, 段剑钊, 胡新, 刘万代, 郭天财, 王永华, 冯伟
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Evaluations of winter wheat late frost damage under different water based on principal component-cluster analysis
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WANG Yang-Yang, HE Li, REN De-Chao, DUAN Jian-Zhao, HU Xin, LIU Wan-Dai, GU Tian-Cai, WANG Yong-Hua, FENG Wei
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表4 10个参数相互矩阵的特征向量分析表
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Table 4 Eigen vector analysis table of correlation matrix of ten parameters
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指标 Index | CI1 | CI2 | CI3 | CI4 | 叶绿素a Chlorophyll a | 0.852 | -0.231 | -0.004 | 0.052 | 叶片含水量 Leaf water content | 0.868 | -0.239 | -0.123 | 0.108 | 可溶性糖 Soluble sugar | 0.319 | 0.786 | -0.414 | 0.296 | 脯氨酸 Proline | 0.859 | 0.187 | -0.029 | 0.076 | 光化学淬灭系数 qp | 0.926 | -0.141 | 0.068 | 0.100 | PS II最大光学效率 Fv/Fm | 0.933 | -0.156 | 0.006 | 0.020 | PS II潜在活性 Fv/Fo | 0.911 | -0.216 | 0.082 | 0.014 | 丙二醛 MDA | -0.903 | 0.056 | 0.057 | 0.010 | 超氧化物歧化酶 SOD | 0.472 | 0.625 | 0.610 | 0.035 | 可溶性蛋白 Soluble protein | 0.670 | 0.330 | -0.169 | -0.640 |
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