金属在葡萄不同部位的吸收、动员和积累。

N. Karavin, I. Batın
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引用次数: 0

摘要

本研究旨在确定金属在葡萄各部位的吸收、动员和积累的变化。与氮、磷不同,金属的吸收对植物是不利的。根、茎、卷须、叶和果实分别在青期和衰老期采集。用ICP-OES测定金属浓度。计算了金属的吸收效率和熟练度值。结果表明,铬对葡萄各器官均有毒性作用。所有的金属都在器官之间流动。除锰和铅外,其他金属均在各器官中发生再吸收。结果表明,金属在植物各器官中被吸收,并在其他组织中积累,尤其是在根和叶中。锰和铅不被任何器官重新吸收,并倾向于在叶片中积累。由于叶片脱落,衰老叶片中金属含量高有利于葡萄的生长,不利于土壤和生态系统的可持续性。
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Resorption, mobilization and accumulation of metals in different parts of Vitis vinifera L.
This study aimed to determine the variation in metal resorption, mobilization and accumulation in various parts of Vitis vinifera L. In contrast to N and P, the metal resorption is undesirable for plants. Root, stem, tendril, leaf and fruit samples were collected in green and senescence periods. Metal concentrations were determined by ICP-OES. Resorption efficiency and proficiency values of metals were calculated. Results showed Cr toxicity in organs of Vitis vinifera. All the metals mobilized among organs. Except Mn and Pb, resorption occurred for metals in various organs. Results indicated that metals were resorbed from various organs and accumulated in other plant tissues, especially in roots and leaves. Mn and Pb weren't reabsorbed from any organ and tended to accumulate especially in leaves. Due to leaf abscission, high metal content in senescent leaves is good for growth of V. vinifera and harmful for sustainability of soil and ecosystems.
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