谷子苗期耐低磷种质筛选及其根系保护酶系统对低磷胁迫的响应
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苑乂川,陈小雨,李明明,李萍,贾亚涛,韩渊怀,邢国芳
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Screening of germplasm tolerant to low phosphorus of seedling stage and response of root protective enzymes to low phosphorus in foxtail millet
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Yi-Chuan YUAN,Xiao-Yu CHEN,Ming-Ming LI,Ping LI,Ya-Tao JIA,Yuan-Huai HAN,Guo-Fang XING
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表2 谷子各性状耐低磷系数(LP/NP)的相关性分析
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Table 2 Correlation analysis of coefficient for tolerance to low-phosphorus during different varieties of foxtail millet
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性状 Trait | 株高 PH | 根长 RL | 地上部 鲜重 AFW | 地下部 鲜重 UFW | 叶长 LL | 叶宽 LW | 茎粗 DMS | 地上部 磷含量 APC | 地下部 磷含量 SPC | 地上部 干重 ADW | 地下部 干重 UDW | PH | 1 | | | | | | | | | | | RL | 0.036 | 1 | | | | | | | | | | AFW | 0.442** | 0.172* | 1 | | | | | | | | | UFW | -0.531** | 0.821** | -0.103 | 1 | | | | | | | | LL | 0.648** | -0.542** | 0.603** | -0.808** | 1 | | | | | | | LW | 0.343** | -0.200* | 0.066 | -0.361** | 0.334** | 1 | | | | | | DMS | 0.249** | -0.044 | 0.357** | -0.179* | 0.300** | 0.109 | 1 | | | | | APC | 0.268** | -0.121 | 0.190* | -0.233** | 0.303** | 0.225** | 0.011 | 1 | | | | SPC | 0.019 | 0.104 | 0.269** | 0.075 | 0.066 | -0.153 | -0.024 | 0.573** | 1 | | | ADW | 0.187* | 0.054 | 0.494** | -0.069 | 0.290** | 0.0177 | 0.128 | 0.477** | 0.557** | 1 | | UDW | 0.222** | -0.073 | 0.100 | -0.179* | 0.196* | 0.318** | -0.084 | 0.365** | 0.115 | 0.352** | 1 |
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