fruiting agent of ear是什么意思

用法例句

On the basis of the achievement in research that the number of seed-setting per head is directively propostional to the number of flowers,this article proloses raising its seed yield through selecting big ear type L.

根据羊草单穗结实数与小花数间极显著正相关的研究结果,提出了以选育单穗小花数多的大穗型羊草品种增加种子产量的思路。