| 小麦种子含锌量在幼苗中的分配与对缺锌敏感性的关系 |
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| 引用本文： | 吴兆明,王玉琦,孙景信,陈红民.小麦种子含锌量在幼苗中的分配与对缺锌敏感性的关系[J].植物学报,1998,15(4):51-54. |
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| 作者姓名： | 吴兆明 王玉琦 孙景信 陈红民 |
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| 作者单位： | 1(中国科学院植物研究所 北京 100093） 2（中国科学院高能物理研究所 北京 100080） |
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| 摘 要： | 应用三个种子含锌量不同的小麦品系为实验材料，研究了在缺锌和供锌条件下锌在小麦幼苗中的分配规律。实验证明在缺锌的条件下，小麦幼苗植株含锌量与种子的含锌量成正相关。锌在三个品系小麦不同叶位中的分配规律是一致的，但种子含锌量低的小麦向幼叶中分配的锌量比例大。在供锌的条件下，种子含锌量高的品系地上部的总锌量比低锌品系高。
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| 关 键 词： | 小麦 种子 含锌量 缺锌敏感性 |
Relationship Between the Zinc Content in Seeds and Sensitivity of the Seedling to Zinc Defficiency |
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| WU Zhao-Ming,WANG Yu-Qi,SUN Jing-Xin and CHEN Hong-Min.Relationship Between the Zinc Content in Seeds and Sensitivity of the Seedling to Zinc Defficiency[J].Bulletin of Botany,1998,15(4):51-54. |
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| Authors: | WU Zhao-Ming WANG Yu-Qi SUN Jing-Xin and CHEN Hong-Min |
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| Institution: | 1(Institute of Botany, The Chinese Academy of Sciences, Beijing 100093) 2(Institute of High Energy Physics,The Chinese Academy of Sciences, Beijing 100080) |
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| Abstract: | The Zn distributions in seedlings grown from three wheat lines that had different Zn content in their seeds were studied under Zn sufficient and Zn deficient conditions. Neutron activation analysis method was use to analyze the Zn concentration. Results showed that under Zn deficiem condition the total Zn concentrations of the seedlings were parallel with the Zn concentration in the seeds. The seeds with low Zn transported relatively more Zn to the shoot (81% of the total Zn) than did the seeds with high Zn (54% of the total Zn). There was no effect on Zn concentration in different leaves. Under Zn sufficient condition the total Zn contents in the seedlings of the three lines were similar. Therefore seeds with high Zn content may be more resistant to Zn deficiency. |
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| Keywords: | , |
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