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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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The sporogenous cell develops into microspore mother cell.

造孢细胞直接发育成小孢子母细胞.

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Abort microspore in crescent or irregular shape . 26.

月牙形和不规则形的败育小孢子.

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Microspore abortion occurred after the tetrad formation.

小孢子败育发生在四分体形成以后.

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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.

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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.

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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.

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