单穗升麻的柱头和雌配子体发育及胚胎发生_医网打尽文献搜索 关键词 单穗升麻； 大孢子发生； 雌配子体发育； [gap=1645]Key words Cimicifuga simplex Wormsk; Megasporogenesis; Female
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Megasporogenesis and Female Gametogenesis: Archesporium is of one cell, it directly functions as macrospore mother cell.
大孢子和雌配子体发生：孢原为一个细胞，它直接起大孢子母细胞功能。
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。
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。
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