英语语法分析

The tapetal cells invest in the sporogenous tissue and form "the Balken".

绒毡层细胞仲入小孢子母细胞之间形成“小梁”。

When sporogenous cells in potato anther produced 3-4 layers they became microsporocytes.

马铃薯花药中的造孢细胞产生3 ~ 4层时，进而变成小孢子母细胞。

The results showed that: (1) the auxocyte abortion of Jin a took place at the stage of sporogenous cell division.

结果表明，1晋a不育系雄性败育的主要时期是在造孢细胞增殖——小孢子母细胞形成时期。