optical studies were made on mega and microsporogenesis, the development of female and male gametophyte and starch dynamics in panicum maximum through conventional paraffin section.
通过石蜡切片,在光学显微镜下系统观察了大黍有性生殖过程中大小孢子发生、雌雄配子体发育及其淀粉动态。
angiosperm female and male gametophyte formation is the key to the process of generational one.
被子植物雌、雄配子体的形成是世代交替的关键过程之一。
the megasporogenesis, microsporogenesis, female and male gametophyte development, development of embryo and endosperm were observed by using paraffin wax.
利用石蜡切片技术观察了埃及白睡莲的大、小孢子的发生,雌、雄配子体的发育,受精作用以及胚和胚乳的发育。
the megasporogenesis and microsporogenesis and the development of their female and male gametophyte are partially abnormal.
在凹叶厚朴大、小孢子发生和雌、雄配子体发育过程中存在部分败育现象。