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8 不同氮肥施用量下机插优质晚稻稻米品质各项指标间的相关系数
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Table 8 Correlation coefficients between various indexes of high quality late rice cultivars under different nitrogen application rates
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指标 Index | 糙米率 BR | 精米率 MR | 整精米率 HMR | 垩白粒率 CR | 垩白度 CD | 直链淀含量 AC | 胶稠度 GC | 蛋白质含量 PC | 峰值黏度PKV | 热浆黏度THV | 崩解值BKD | 最终黏度 FLV | 消减值STB | 精米率 MR | 0.485 | — | | | | | | | | | | | | 整精米率 HMR | 0.178 | 0.576* | — | | | | | | | | | | | 垩白粒率 CR | -0.258 | -0.174 | 0.180 | — | | | | | | | | | | 垩白度 CD | -0.134 | -0.048 | 0.228 | 0.819** | — | | | | | | | | | 直链淀粉含量AC | -0.360 | 0.259 | 0.626** | 0.691** | 0.694** | — | | | | | | | | 蛋白质含量PC | 0.238 | 0.462 | 0.720** | -0.248 | -0.320 | 0.216 | — | | | | | | | 胶稠度 GC | 0.614* | 0.287 | -0.050 | -0.783** | -0.620* | -0.630** | 0.387 | — | | | | | | 峰值黏度PKV | -0.511* | -0.588* | -0.168 | 0.763** | 0.432 | 0.309 | -0.404 | -0.836** | — | | | | | 热浆黏度THV | -0.281 | -0.316 | 0.360 | 0.691** | 0.344 | 0.464 | 0.201 | -0.600* | 0.785** | — | | | | 崩解值BKD | -0.544* | -0.604* | -0.574* | 0.566* | 0.395 | 0.093 | -0.812** | -0.741** | 0.808** | 0.274 | — | | | 最终黏度FLV | -0.384 | -0.019 | 0.636** | 0.649** | 0.448 | 0.773** | 0.382 | -0.635** | 0.568* | 0.869** | 0.078 | — | | 消减值STB | 0.200 | 0.651** | 0.823** | -0.225 | -0.047 | 0.416 | 0.841** | 0.321 | -0.575* | -0.030 | -0.843** | 0.347 | — | 糊化温度PAT | -0.257 | 0.467 | 0.651** | -0.138 | -0.259 | 0.487 | 0.768** | -0.025 | -0.226 | 0.163 | -0.496 | 0.502* | 0.755** |
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