谷子萌发期耐盐种质筛选及其保护酶系统对盐胁迫的响应

秦岭,张艳亭,陈二影,杨延兵,黎飞飞,管延安

Screening for Germplasms Tolerant to Salt at Germination Stage and Response of Protective Enzymes to Salt Stress in Foxtail Millet

Ling QIN,YanTing ZHANG,ErYing CHEN,YanBing YANG,FeiFei LI,YanAn GUAN

表3 各综合指标特征值、贡献率及特征向量

Table 3 Eigenvalue and contribution and eigenvectors of 3 comprehensive indexes [CI(x)]

项目 Item CI1 CI2 CI3 特征值Eigen value 2.984 1.613 0.870 贡献率Contributive ratio (%) 49.73 26.89 14.50 累积贡献率 Cumulative contributive ratio (%) 49.73 76.62 91.12 特征向量Eigenvector X1 0.435 -0.092 0.324 特征向量Eigenvector X2 0.517 -0.075 -0.465 特征向量Eigenvector X3 0.438 0.340 0.462 特征向量Eigenvector X4 0.144 0.748 0.099 特征向量Eigenvector X5 -0.252 0.552 -0.490 特征向量Eigenvector X6 -0.517 0.075 0.465