| 欧洲葡萄(Vitis Vinifera L.)茎木质部截面上液流传导区域的定量研究 |
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| 引用本文： | 张大鹏. 欧洲葡萄(Vitis Vinifera L.)茎木质部截面上液流传导区域的定量研究[J]. 果树学报, 1988, 0(3) |
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| 作者姓名： | 张大鹏 |
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| 作者单位： | 北京农业大学生物学院 |
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| 摘 要： | 对欧洲葡萄茎木质部截面上液流传导区域进行了定量研究。首先建立了一个木质部截面上导管总体分布的数量模型;然后对木质部截面上液流传导功能导管进行了区域定量研究;并且讨论了木质部不同年轮对液流传导的相对重要性和不同年龄茎干木质部液流传导的有效性估计;最后建议将欧洲葡萄植物木质部水导构造称为“外围散孔型”构造。
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A QUANTITATIVE STUDY OF THE SAP-CONDUCTING ZONE ON XYLEM CROSS-SECTION OF THE STEM FOR VITIS VINIFERA |
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| Abstract: | The distribution of the zone conducting the sap flow on xylem cross-section of the stem has been analyzed in this article for Vitis vinifera. Firstly, a general distribution model of all the xylem vessels on the xylem cross-section has been established; then the hydraulically-conducting functional vessels have been zoned on the xylem cross-section; morevoer, on the one hand the relative hydraulic-conducting importance in relation to the different annual rings in xylem, has been discussed and on the other hand the estimation of the hadraulicconducting efficiency of xylem on the stems of different ages. Lastly, it has been proposed that the hydraulic structure of xylem of Vitis vinifera be called "Peripherally diffuse-porous type". |
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