It presented significant positive correlation between ZR and protein contents in 5-20 d after anthesis. At the same time, the peak of IAA corresponded the rate of protein accumulation.

• ‘川麦36’籽粒中ZR初始含量和IAA峰值高些,开花后5~20d籽粒中ZR含量与蛋白质含量呈显著正相关,IAA峰值与此期的蛋白质积累速率跃变相对应。