The rate of average grain filling, the rate of grain filling during gradual increase stage, and the grain filling rate of rapid increase stage had important contribution on increasing grain weight.
因此选择适宜播期、提高渐增期灌浆速率、快增期灌浆速率和平均灌浆速率对提高粒重有重要意义；
These results show that the main causes of poor grain filling are later filling initiation and lower filling rate of inferior grains.
由此说明，部分亚杂组合籽粒充实不良的主要原因是弱势粒灌浆启动期滞后与灌浆速率小。
The peak of IAA and ZR contents appeared just before, and that of ABA content simultaneously with the maximum grain filling rate.
IAA和ZR含量峰值出现的时间在最大灌浆速率出现值前，ABA含量的峰值在时间上与最大灌浆速率同步。
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