Cytogenetics of autotetraploid Raphanus sativus L. was studied in this paper. Meioticbehaviours of pollen mother cells (PMCs), development of male gametophyte andkaryotype were observed on the bases of chromosome preparation.
本论文探讨了同源四倍体萝卜花粉母细胞减数分裂、雄核发育的特征及染色体行为，并将二、四倍体萝卜的核型进行了比较分析，以期为多倍体萝卜的遗传育种奠定理论基础并提供理论指导。
参考来源 - 同源四倍体萝卜细胞遗传学研究·2,447,543篇论文数据，部分数据来源于NoteExpress
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。
应用推荐