在种子发育早期（盛花期后7d），灌4次水种子标准发芽率最高，老化发芽率最高，种苗芽长最长，芽重最重。
In seed growth early stage ( the seventh day after perk anthesis ), standard germination , accelerated aging germination , seedling length and seedling weight under irrigating four times were the highest .
发育盛期