Before that, most microspores formed vacuoles. At last there left empty cavities.
败育前，小孢子大量液泡化，最后只剩空腔。
Finally, 92.6%-94.8% of microspores could develop into normal and stainable pollen grains.
最终有92.6%—94.8%的小孢子能发育成形态正常、染色能力强的成熟花粉粒。
It was concluded that high concentration of sucrose, glucose and fructose was toxic to the microspores.
认为高浓度的蔗糖葡萄糖以及葡萄糖与果糖混合糖源对小孢子有毒害作用。
An extine with its specific pattern had already been formed, when microspores were released from tetrads.
当小孢子从四分体中释放出来，特殊类型的外壁已经形成。
The results showed that microspore mother cells and tetrad microspores accumulated numerous lipids but no starches.
结果发现小孢子母细胞和四分体小孢子中积累了一些脂滴，但没有淀粉。
The microspores are arranged in a tetrahedral tetrad. The mature pollen grains are of the 2-celled and 3-celled types.
小孢子四分体为四面体型排列，成熟花粉有2 -细胞和3 -细胞型2种。
OsC6 expression is mainly detectable in tapetal cells and weakly in microspores from stage 9 to stage 11 of anther development.
在花药发育的第9-11阶段能够检测到基因的表达，并且主要是在绒毡层细胞表达，小孢子中也有较微弱表达。
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。
The result indicated that the microspores of all types of male sterile maize displayed degradation of nuclear matters, just the time was different.
结果表明，几种不育类型小孢子均表现核物质的降解，只是降解的时期不同。
This indicated that different response existed in some distinct genotypes to chromosome doubling through treating in vitro microspores with colchicine.
由此说明，基因型对秋水仙碱处理离体小孢子诱导染色体加倍的反应不同。
Improving microspores embryogenic ability and plantlet regeneration ability from microspore-derived embryos is the key of isolated microspores culture technique.
胚胎发生能力和再生植株转化率是游离小孢子培养技术的关键问题。
The central vacuole began to disappear, and cytoplasm with abundant organelle accumulated starch in some of microspores having embryogenic ability on transfer to culture.
单核晚期小孢子经培养后，具胚状体发生能力的细胞中央液泡消失，积累淀粉，含丰富细胞器。
After the meiosis, however, the microspores began to degenerate to become blighted and wrinkled ones, starting from the deforming of their walls and concentration of their protoplasm.
减数分裂后，小孢子开始退化，首先是小孢子壁开始变形，随后原生质浓缩，形成干秕、皱缩的小孢子。
The development processes of anthers and microspores of C-cytoplasmic male-sterile lines and its maintainers in corn were observed and compared by the light and the electron microscope.
利用光学和电子显微镜对玉米C型胞质雄性不育系和保持系的花药与小孢子发育过程进行对比观察。
The mutant has small siliques with no seed set. Cytological observation showed that during anther development, the microspores ruptured and no pollen grains formed in the mutant anther locules.
细胞学观察和扫描电镜结果表明，突变体花药发育过程中， 花药中小孢子外壁异常、破裂， 最后没有花粉形成。
The mutant has small siliques with no seed set. Cytological observation showed that during anther development, the microspores ruptured and no pollen grains formed in the mutant anther locules.
细胞学观察和扫描电镜结果表明，突变体花药发育过程中， 花药中小孢子外壁异常、破裂， 最后没有花粉形成。
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