microspore

The sporogenous cell develops into microspore mother cell.

造孢细胞直接发育成小孢子母细胞.

Meiosis of microspore mother cells is synchronous or unsynchronous.

小孢子母细胞减数分裂同步或不同步.

Isolated Microspore culture is one of the Methods : To obtain haploid.

摘要游离小孢子培养技术是获得大白菜单倍体植株的有效途径之一.

Complete disintegration of cytoplasm at stage of vacuolated microspore.

单核液泡期的小孢子细胞质完全解体.

Abort microspore in crescent or irregular shape . 26.

月牙形和不规则形的败育小孢子.

Microspore abortion occurred after the tetrad formation.

小孢子败育发生在四分体形成以后.

Rape have established regeneration system of cotyledons, hypocotyls, protoplasts and microspore culture.

油菜已经建立了子叶 、 胚轴 、 原生质体及小孢子培养的再生体系.

Microspore culture is an effcient method to produce haploid plant , which has been vigorously studied.

游离小孢子培养是产生单倍体的较好途径.

The endogenous hormonal ratio was interdependent to the microspore abortion of radish.

可见,萝卜小孢子的败育与内源激素平衡的破坏有关.

The nucleus in shrinking cytoplasm of microspore mother cell enters into telophase .17.

收缩的小孢子母细胞质中核进入减数分裂末期.

The big , empty and abortive pollen grains are abserred at the stage of uninuclear microspore.

单核期的小孢子出现壁发育不良和巨大及空花粉现象.

Cytokinesis is of the simultaneous type and microspore tetrads are mainly tetrahedral.

小孢子母细胞减数分裂为同时型.

Complete disintegration of cytoplasm of crescent or irregular shape of microspore .25.

月牙形和不规则形小孢子细胞质完全解体.

Before meiosis the microsporocytes have lipids in cytoplasm. After microspore mitosis the lipids increase and size.

小孢子母细胞减数分裂前,细胞质内含有脂滴, 小孢子有丝分裂以后,脂滴增多增大.

The microspore culture technology has been widely applied in Brassica species nowadays.

随着芸苔属作物小孢子培养技术的日趋成熟,应用范围也越来越广泛.