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1·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”。

2·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。

3·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。

4·Development of megaspore and formation of embryo sac: the ovule has a layer of parietal cells at the sporogenous stage.

大孢子的发育及胚囊的形成：造孢时期，造孢细胞发育成大孢子母细胞。

5·At the late stage of the sporogenous cells, mother pollen cells and microspores, the vacuoles remarkably increased in quantity or size.

在次生造孢细胞、花粉母细胞和小孢子后期都有液泡数量明显增加或体积增大的过程。

6·Through ultra-structure observation, it is found that the microspore of Jin A began to abort at the stage of sporogenous cell division.

小孢子发育的超微结构观察发现，晋A不育系在造孢细胞增殖时期即表现出败育迹象。

7·On media and under natural conditions, the morphological characteristics and sizes of sporogenous structure, spores et al. were described and surveyed.

描述和测量了梨锈重寄生菌在自然条件和人工培养基上产孢结构、孢子等的形态特征及大小。

8·In the process of litchi flower differentiation, the microspore abortion induced by external ethylene starts from the transition period (from sporogenous cells to microsporocytes).

花分化过程中，外源乙烯诱导小孢子败育起始于造孢细胞至小孢子母细胞时期。