The sucrose synthase (SuSase) activity in superior grains was higher and peaked earlier than that in inferior grains.
强势粒中蔗糖合酶活性明显高于弱势粒，且达到峰值的时间也早于弱势粒。
The grain filling rate, grain filling percentage, grain weight and starch accumulation rate were positively and significantly correlated with the SuSase activity in grains.
籽粒灌浆速率、籽粒充实率、粒重和淀粉积累速率与蔗糖合酶活性呈显著正相关。
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