| 西瓜绒毡层和花粉发育的进一步观察 |
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| 引用本文： | 刘林,张恒悦,范树国,叶秀麟,梁承邺,张再君.西瓜绒毡层和花粉发育的进一步观察[J].武汉植物学研究,2000,18(2):85-90. |
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| 作者姓名： | 刘林 张恒悦 范树国 叶秀麟 梁承邺 张再君 |
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| 作者单位： | 1. 中国科学院华南植物研究所,广州,510650
2. 山东农业大学,泰安,271018 |
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| 摘 要： | 绒毡层为１层同型细胞，腺质性，幼期他药壁层相似，减数分裂开始后表现出自己独有的特点，小孢子母细胞纤维素壁生存到四分体时期，随着小孢子外壁出现而消失。四分体时期，小孢子发育出网状原覆盖层和柱状原基粒棒。成熟花粉属２－细胞型，含丰富淀粉和脂烃物质，生殖细胞具有流线型结构，呈梭形或柳叶形。营养核与生殖细胞联系密切。
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| 关 键 词： | 西瓜 绒毡层 小孢子母细胞 花粉 |
| 收稿时间： | 1999-1-17 |
| 修稿时间： | 1999-3-21 |
FURTHER OBSERVATION ON TAPETUM AND POLLEN DEVELOPMENT IN WATERMELON |
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| Liu Lin,Zhang Hengyue,Fan Shuguo,Ye Xiulin,Liang Chengye,Zhang Zaijun.FURTHER OBSERVATION ON TAPETUM AND POLLEN DEVELOPMENT IN WATERMELON[J].Journal of Wuhan Botanical Research,2000,18(2):85-90. |
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| Authors: | Liu Lin Zhang Hengyue Fan Shuguo Ye Xiulin Liang Chengye Zhang Zaijun |
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| Institution: | 1. South China Institute of Botany, The Chinese Academy of Sciences Guangzhou 510650;2. Department of Botany, Shandong Agricultural University Tai'an 271018 |
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| Abstract: | Tapetum in watermelon is a layer of homogenous and glandular cells.Tapetal cells are very similar in appearance to cells of other anther layers at first,but gradually differentiate after microspore mother cells begin meiotic division.Microspores form a reticular protectum and columnar probacules as they are still encased in callose. Cellulosic walls of microspore mother cells become disappeared during tetrad stage.Pollens get mature at 2 celled stage.Generative cell has a streamlined shape.Vegetative cell contains copious starch and lipid.It is clear that there is a close connection between generative cell and vegetative nucleus . |
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| Keywords: | Watermelon Tapetum Microspore mother cell Pollen |
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