氮肥施用量对机插优质晚稻产量和稻米品质的影响
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唐健,唐闯,郭保卫,张诚信,张振振,王科,张洪程,陈恒,孙明珠
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Effect of nitrogen application on yield and rice quality of mechanical transplanting high quality late rice
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Jian TANG,Chuang TANG,Bao-Wei GUO,Cheng-Xin ZHANG,Zhen-Zhen ZHANG,Ke WANG,Hong-Cheng ZHANG,Heng CHEN,Ming-Zhu SUN
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表10 稻米品质特征与灌浆结实期温光因子间的相关系数
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Table 10 Correlation coefficients between rice quality characters and temperature and light factors during grain-filling period
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指标 Index | 日平均温度 Daily mean temperature (°C) | 日最高温度 Daily maximum temperature (°C) | 日最低温度 Daily minimum temperature (°C) | 日平均温差 Daily mean temperature difference (°C) | 日平均光照时数 Daily mean illumination hours (h) | 糙米率 BR | -0.328 | -0.451 | -0.120 | -0.207 | -0.473 | 精米率 MR | -0.712** | -0.470 | -0.593* | 0.406 | -0.116 | 整精米率 HMR | -0.246 | -0.075 | -0.119 | 0.097 | -0.505* | 粒长 KL | -0.202 | -0.458 | 0.095 | -0.498* | -0.449 | 长宽比 L/W | 0.031 | -0.493 | 0.277 | -0.768** | -0.202 | 垩白率 CR | 0.554* | 0.668** | 0.397 | 0.016 | 0.178 | 垩白度 CD | 0.398 | 0.664** | 0.280 | 0.167 | -0.159 | 直链淀粉含量 AC | -0.056 | 0.229 | -0.200 | 0.451 | 0.099 | 蛋白质含量 PC | -0.457 | -0.541* | -0.259 | -0.095 | -0.540* | 胶稠度 GC | -0.400 | -0.596* | -0.096 | -0.357 | -0.588* | 峰值黏度 PKV | 0.737** | 0.685** | 0.486 | -0.089 | 0.614* | 热浆黏度THV | 0.869** | 0.793** | 0.749** | -0.350 | 0.169 | 崩解值 BKD | 0.353 | 0.343 | 0.055 | 0.206 | 0.861** | 最终黏度 FLV | 0.680** | 0.758** | 0.506* | -0.057 | 0.187 | 消减值 STB | -0.401 | -0.236 | -0.212 | 0.077 | -0.747** | 糊化温度 PAT | -0.394 | -0.422 | -0.202 | -0.075 | -0.609* |
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