1·The abnormal ovule often appear simultaneously with the abnormal anther.
胚珠的异常常伴随着花药的异常而发生。
2·Upon further increase of the exogenous hormone concentration, new ovule primordia could be formed from the proliferated nucellus cells, which further developed into many new ovules.
进一步提高外源激素浓度，珠心细胞又可以分化出新的胚珠原基，进一步长大以后发育成许多新的胚珠。
3·This paper reported the first results of ovule culture in beet wide hybridization.
本文首次报告了甜菜远缘杂交胚珠培养的结果。
4·The experiment showed that ovule culture in overcoming cross-incompatibility between radish and Chinese cabbage is of significance.
试验证明胚珠培养在克服萝卜和大白菜属间杂交不亲和性方面具有一定意义。
5·The material for studies on molecular mechanism of genetic regulation in the course of ovule development and gametophytes forming were mainly from the finding and inducement of mutation.
胚珠发育和雌配子体形成过程中遗传控制分子机理研究的材料主要来源于对突变体的发现和诱导。