seed fertility

• 结实率

seed fertility的用法和样例：

例句

1. The low seed setting percentage is the most important reason that limits the application of the autotetraploid rice.
   同源四倍体水稻结实率偏低是影响其在育种中直接应用的重要原因。
2. The 1 000-grain weight and seed setting rate improved with the increase of diammonium phosphate.
   增加磷酸二铵的施用量，水稻的千粒重和结实率也随之提高。