【摘要】 <正> 随着泡桐科研生产迅速的发展,泡桐的良种繁育工作也受到相应重视,我们于1978-1979年对泡桐属的有性生殖过程进行了研究,本文仅就泡桐属的孢子囊及配子体的发育作一初步探讨,以供科研、生产教学单位参考。更多还原

【Abstract】 1、Pollen grains of Paulownia grow up the pollen tube in the stigmachamber.2、Megaspore develops into the eight-nuclezte embryo-sac according to thegeneral rule. The embryo-sac is mature after the corolla shedded.3、Some taxa of Paulownia are male sterile and their embryo-sacs areaberrant.更多还原