The microspore lacks a large central vacuole.
小孢子缺中央大液泡。
The endogenous hormonal ratio was interdependent to the microspore abortion of radish.
可见，萝卜小孢子的败育与内源激素平衡的破坏有关。
The tapetal cells degenerated at microspore stage and its cytoplasm transform into lipids for the microspore absorbing.
最内层的绒毡层细胞在小孢子时期开始解体，细胞质转变为脂滴，供花粉吸收。
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