胚性细胞分裂产生两个细胞，进而分化发育成多细胞原胚、球形胚、心形胚及子叶胚。
Then embryogenic cell divided into two cells, which sequentially differentiated through multicell proembryo, globular, heart-shaped and cotyledonary embryo stages.
授粉后8天，多数杂交原胚的细胞开始解体。
The degeneration of proembryo in crossing appeared in most cases 8 days after pollination.
在原胚及幼胚胚原细胞质中也呈现很弱的正反应。
The embryo initials and suspensor cells showed very weak Feulgen positive reaction in the proembryo and young embryo.
原胚初期胚体出现背腹极性，腹面的细胞小，细胞质稠密，液泡较少；
During early proembryo stage, the dorsiventrality appears in the proper of the embryo. On the ventral side, the cells are small with dense cytoplasm and few vacuoles.
授粉后7-8天，在胚囊中见到二细胞原胚及数个胚乳游离核。
There ware two cell proembryo and some endosperm free nucleuses in the embryo sac 7-8 days after pollination;
授粉后7-8天，在胚囊中见到二细胞原胚及数个胚乳游离核。
There ware two cell proembryo and some endosperm free nucleuses in the embryo sac 7-8 days after pollination;
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