| 莲幼苗的胚根发育及其筛分子研究 |
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| 引用本文： | 汪矛 孙克莲 等. 莲幼苗的胚根发育及其筛分子研究[J]. 西北植物学报, 2002, 22(1): 146-149,T001 |
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| 作者姓名： | 汪矛 孙克莲 等 |
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| 作者单位： | 1. 中国农业大学生物学院,北京,100094;中国科学院植物研究所系统与进化植物学开放实验室,北京,100093
2. 中国农业大学生物学院,北京,100094 |
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| 摘 要： | 报道了莲无初生根型幼苗的胚根发育过程，其胚根由分生组织转化成贮藏组织，致使胚根不突破种皮；莲幼苗初生维管系统中的筛分子为筛管分子。莲的子叶和胚根连为一体的特殊结构与其生活环境和系统演化密切相关。
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| 关 键 词： | 莲 幼苗 胚根发育 筛分子 |
| 文章编号： | 1000-4025(2002)01-0146-04 |
The development of the radicle and the study of the sieve element of the seedling of Nelumbo nucifera |
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| WANG Mao+{,},SUN Ke-lian+{,},WANG Li+,YANG Shi-jie+. The development of the radicle and the study of the sieve element of the seedling of Nelumbo nucifera[J]. Acta Botanica Boreali-Occidentalia Sinica, 2002, 22(1): 146-149,T001 |
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| Authors: | WANG Mao+{ } SUN Ke-lian+{ } WANG Li+ YANG Shi-jie+ |
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| Affiliation: | WANG Mao+{1,2},SUN Ke-lian+{1,2},WANG Li+1,YANG Shi-jie+1 |
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| Abstract: | The development of the radicle of no-primary-root type seedling of Nelumbo nucifera was reported.The radicle converted from meristem into storage tissue,so the radicle didn't break through the seed coat.The sieve element of the primary vascular system of the seedling of Nelumbo nucifera was sieve tube element.These results indicated that the special structure of the cotyledon and the radical were related with the life condition and systematic evolution. |
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| Keywords: | Nelumbo nucifera Gaertn. seedling the development of the radicle sieve element |
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