So pollen abortion is possible only one of reasons that bring seedless fruit.
因此，雄性不育可能是产生无核、少核的原因之一。
The degeneration of mitochondria is one of the earliest events in pollen abortion.
线粒体的退化是花粉败育中最早发生的现象之一。
Most pollen abortion occurred at mononuclear pollen stage and late binuclear pollen stage.
绝大部分花粉败育发生在单核小孢子期和二胞花粉晚期。
The process of pollen abortion begins with vacuole formation and gradual enlargement in the tetrad.
花粉败育的过程从四分体开始，细胞质内液泡逐渐增大，接着细胞器解体，细胞核解体。
The Cause of pollen abortion was considered difference to the male-sterile line of variant rice type.
水稻雄性不育系花粉败育因种类不同而不同。
The metabolic disorder of proline, aspartic acid and other free amino acids in "CMS158" line is a cause of pollen abortion.
不育系花药中游离脯氨酸和游离天冬氨酸以及其它氨基酸的代谢失调是花粉败育的原因之一。
The difference in the interaction between environment and genotype reflected on the unstability of pollen abortion in different years.
环境与基因型互作的差异性导致了花粉败育的年度不稳定性。
The pollen abortion processes of cms-T, V and K in wheat with the same nuclear background (83 (21 ) 35 ) were studied cytologically by light microscopy.
从细胞学的角度对小麦83（21）35核背景的T型、V型和K型细胞质雄性不育系的花粉败育机理进行了研究。
There occurs pollen abortion during the stage from tetrad to single nucleus pollen grain of cytoplasmic male-sterile line in Brassica napus Var. oleifera(Raphanus sativus L. ).
甘兰型油菜萝卜细胞质雄性不育系的花粉败育发生在四分体至单核花粉粒阶段。
But after the abortion, the development of ZS97A pollen was impaired and the elongation rate decreased, leading to panicle enclosure by shortening the uppermost internode (UI) length.
而伴随着花粉发育受阻至花粉败育之后，ZS97A的节间伸长速率下降，最终导致倒一节间缩短而引起包穗。
But after the abortion, the development of ZS97A pollen was impaired and the elongation rate decreased, leading to panicle enclosure by shortening the uppermost internode (UI) length.
而伴随着花粉发育受阻至花粉败育之后，ZS97A的节间伸长速率下降，最终导致倒一节间缩短而引起包穗。
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