机插栽培籼杂交稻的日产量及与株型的关系
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何连华,陈多,张驰,田青兰,吴振元,李秋萍,钟晓媛,邓飞,胡剑锋,凌俊英,任万军
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The Daily Yield of Medium Hybrid Rice in Machine Transplanting and Its Relationship with Plant Type
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HE LianHua,CHEN Duo,ZHANG Chi,TIAN QingLan,WU ZhenYuan,LI QiuPing,ZHONG XiaoYuan,DENG Fei,HU JianFeng,LING JunYing,REN WanJun
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表7 株型指标与日产量的相关性
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Table 7 Correlation between plant type index and daily yield
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| 指标Index | 拟合方程Fitted equation | 相关系数Correlation coefficient, r | P | | 株高 Plant height | y = 0.01x2 - 2.6016x + 240.09 | -0.49 ** | <0.01 | | 秆长 Culm length | y = - 0.2867x + 99.297 | -0.46 ** | <0.01 | | N3节间长 Third internode length | y = 0.2556x2 - 8.1573x + 136.66 | 0.33 * | <0.05 | | N4节间长 Fourth internode length | y = -0.6592x + 84.38 | 0.35 * | <0.05 | | 剑叶长 Flag leaf length | y = 0.1561x2 - 10.942x + 263.26 | -0.13 | >0.05 | | 倒二叶长 2nd leaf length | y = -0.2919x + 87.443 | -0.21 | >0.05 | | 倒三叶长 3rd leaf length | y = -0.2561x + 87.821 | -0.20 | >0.05 | | 剑叶宽 Flag leaf width | y = 134.86x2 - 565.99x + 664.59 | 0.01 | >0.05 | | 倒二叶宽 2nd leaf width | y=133.81x2 - 501.39x + 541.06 | -0.22 | >0.05 | | 倒三叶宽 3rd leaf width | y = -6.6356x + 84.832 | -0.18 | >0.05 | | 单穗重 Single spike weight | y = 1.306x + 66.962 | 0.13 | >0.05 | | 着粒密度 Particle density | y = 2.6768x + 58.308 | 0.44 ** | <0.01 |
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