冬闲期耕作方式对连作花生叶片衰老和产量的影响
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刘妍,刘兆新,何美娟,刘婷如,杨坚群,甄晓宇,栗鑫鑫,李向东,杨东清
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Effects of tillage modes in winter fallow period on leaf senescence and pod yield in continuous cropping peanut
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Yan LIU,Zhao-Xin LIU,Mei-Juan HE,Ting-Ru LIU,Jian-Qun YANG,Xiao-Yu ZHEN,Xin-Xin LI,Xiang-Dong LI,Dong-Qing YANG
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表5 光合参数、抗氧化系统参数与产量及其构成因素的相关系数
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Table 5 Correlation coefficient of photosynthetic parameters and antioxidant system parameters with yield and its components
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项目 Item | 荚果产量 Pod yield | 籽仁产量 Kernel yield | 单株结果数 Pods per plant | 千克果数 Pods per kg | 出仁率 Shelling rate | 净光合速率 Pn | 0.994** | 0.974** | 0.975** | -0.924** | 0.927** | 蒸腾速率 Tr | 0.989** | 0.975** | 0.969** | -0.910* | 0.913* | 气孔导度 Gs | 0.975** | 0.950** | 0.971** | -0.904* | 0.894* | 胞间CO2浓度 Ci | -0.979** | -0.977** | -0.972** | 0.922** | -0.921** | SOD活性 SOD activity | 0.991** | 0.988** | 0.964** | -0.930** | 0.945** | CAT活性 CAT activity | 0.967** | 0.967** | 0.930** | -0.851* | 0.861* | POD活性 POD activity | 0.990** | 0.990** | 0.960** | -0.913* | 0.926** | MDA含量 MDA content | -0.994** | -0.975** | -0.988** | 0.955** | -0.955** |
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