Some abnormal mature embryo sacs are observed.

于成熟胚囊期观察到发育异常的胚囊.

The mature embryo is corn posed of radicle, coleorhiza , plumule, coleoptile, scutellum and epiblast. That is the typical structure of the mature embryo of grass.

成熟胚具有胚根、胚芽、盾片、胚芽鞘、胚根鞘、外胚叶等典型禾本科植物成熟胚的结构。

These abnormalities would cause the abnormal structure of mature embryo sac.

这些异常可能最终导致多种结构异常成熟胚囊的形成.

Many embryogenic calli were produced by subculture of calli induced from mature embryo of rice.

从水稻成熟胚诱导出的愈伤组织经继代培养后可以产生大量的胚性愈伤组织。