绒毡层

Male-sterility mainly results from the abnormality of mesospore,tapetum tissue and vascular bundle.

织、绒毡织及药隔维管束异常均是雄性败育的因素。

Abbreviation: T: Tapetal; N: Nucleus; TE：Tetrad; TW: Wall of tapetal cell; V: V acuole; D: Dictyosome; C: Callose; M: Mitochondria.

绒毡细胞，N：细胞核，TE:四体，TW：绒毡细胞壁，V：液胞,D：高尔基体，C：胼胝质壁，M：线粒体。