The changes of ADPG-PPase(AGP), soluble starch synthase(SSS), granule-bound starch synthase (GBSS) and starch branching enzyme (SBE) activities in the caryopses is a single peak curve.

• 颖果中ADPG焦磷酸化酶、SSS酶、GBSS酶和SBE酶活性变化趋势均呈单峰状态。