The process of pollen abortion begins with vacuoleformation 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。
2
It is verified that ph ase separation of trace amount of water in the organic solvent is the most possible course of vacuoleformation.
实验证明，气泡主要是由于有机溶剂中微量水的微相分离造成的。
3
So, Vacuoleformation in daughter cells through fusion of vesicles inheritance from mother cell is very important in maturing appressoria and effecting its infection ability.