基于光合系统参数建立马铃薯耐荫性综合评价体系
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刘勋,张娇,沈昱辰,谢德斌,李宏利,李春明,易小平,赵勇,唐道彬,吕长文,王季春
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Xun Liu,Jiao Zhang,Yuchen Shen,Debin Xie,Hongli Li,Chunming Li,Xiaoping Yi,Yong Zhao,Daobin Tang,Changwen Lü,Jichun Wang
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表4 马铃薯13个单项指标的主成分分析
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Table 4 Principal component analysis of 13 individual index of potato
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| Principle factors | | | CI1 | CI2 | CI3 | CI4 | CI5 | CI6 | Eigenvalue | 3.28 | 2.52 | 2.01 | 1.58 | 1.11 | 0.88 | Contribution rate (%) | 25.25 | 19.36 | 15.43 | 12.13 | 8.54 | 6.80 | Accumulate contribution rate (%) | 25.25 | 44.61 | 60.03 | 72.16 | 80.70 | 87.51 | Eigenvector | Chla | 0.38 | 0.00 | 0.31 | -0.43 | -0.04 | -0.11 | | Chlb | 0.38 | -0.05 | 0.26 | -0.46 | -0.08 | -0.04 | | Chla/b | 0.04 | 0.32 | 0.28 | 0.09 | 0.28 | -0.57 | | Pn | 0.25 | -0.08 | -0.08 | 0.19 | 0.58 | -0.38 | | Tr | 0.44 | 0.06 | 0.07 | 0.31 | -0.25 | 0.14 | | Ci | 0.26 | 0.02 | -0.07 | 0.49 | -0.02 | -0.02 | | Gs | 0.43 | 0.07 | 0.09 | 0.34 | -0.31 | 0.02 | | Fo | -0.12 | 0.43 | 0.38 | -0.05 | -0.17 | 0.04 | | Fm | 0.02 | -0.43 | 0.38 | 0.14 | 0.07 | 0.20 | | Fv/Fm | 0.22 | -0.50 | -0.22 | -0.18 | 0.00 | -0.10 | | qP | 0.18 | 0.48 | -0.20 | -0.10 | 0.24 | 0.39 | | NPQ | 0.01 | -0.10 | 0.41 | 0.10 | 0.54 | 0.51 | | Y(II) | 0.32 | 0.15 | -0.43 | -0.22 | 0.21 | 0.19 |
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