... notice of change employment 人事动态通知 nucellar embryo 珠心胚 nucellar embryony 珠心胚现象; 珠心芽生; 心层生胚 ...
基于160个网页-相关网页
When the free nuclei of the endosperm were 16 or 32, the nucellar embryo initial (s) originated from the nucellar cells near the micropylar end of the embryo sac.
当胚乳游离核达到1 6或32个时，最早的珠心胚原始细胞由靠近胚囊珠孔端的珠心细胞分化形成。
Observation of citrus embryo development showed that in 50 days or so after pollination there was only one zygotic embryo in the embryo sac, and nucellar embryo was not yet invaded.
通过柑桔胚胎发育观察表明，授粉后50天左右，胚囊内仅有一个合子胚，未见珠心胚侵入胚囊，为单独分离合子胚培养的最好时期。
All nucellar cells disappear, when an embryo sac is ripe.
属薄珠心，胚囊形成时珠心细胞全部消失。
应用推荐