The major part of the inner integument is absorbed after about 21 days of the blooming date ( the cotyledon begin to differentiate within the first ten days of May).

  • 开花授粉、授精后,珠被发育为种皮时,内珠被逐渐被吸收,大约在开花后2P天左右(5月上旬,子叶开始分化时),内珠被绝大部份被吸收。

  • 互联网摘选 2025-01-20 11:57:04

    • 相关例句
    精确
    • 模糊
    • 词首
    • 词尾
    • 词义
    • 例句