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首页> 外文期刊>Fresenius Environmental Bulletin >EFFECTS OF Mg NUTRITION ON ANATOMICAL LEAF STRUCTURE IN Cd TREATED YOUNG SUGAR BEET PLANTS
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EFFECTS OF Mg NUTRITION ON ANATOMICAL LEAF STRUCTURE IN Cd TREATED YOUNG SUGAR BEET PLANTS

机译：镁营养对镉处理的甜菜叶片解剖叶片结构的影响。

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摘要

The pairs of completely developed sugar beet leaves were sampled in order to analyze the effect of magnesium nutrition on anatomical leaf structure in Cd-treated plants. Plants were grown in semi-controlled conditions with different Mg treatments. After 44 days one half of plants of each Mg treatment was exposed to 1×10~(-6) M Cd. Seven days after the application of Cd, plants were harvested. The influence of Cd on lamina and petiole were presented as the relative change value of Cd-treated plants, compared to the Cd-untreated plants. Apart from leaf and root morphological analysis, measurements of anatomical parameters were conducted on cross sections of lamina, leaf main veins and petiole. Concentrations of Cd decrease almost linearly in leaves and roots with increase in Mg concentrations. Influence of Cd on anatomical characteristics of sugar beet leaves was dependent on Mg nutrition. Significant changes of anatomical characteristis of sugar beet leaves in the presence of various Mg treatments, was obtained just for the characteristics of lamina. The most significant differences between the analyzed groups were found for measured parameters of the leaf main vein (area of main vein and percent of phloem cell cross section area).
机译：对完全发育的甜菜叶对进行采样，以分析镁营养对镉处理植物中叶片解剖结构的影响。植物在半控制条件下用不同的镁处理方法生长。 44天后，每种Mg处理的植物的一半暴露于1×10〜（-6）M Cd。施用镉后七天，收获植物。镉对叶片和叶柄的影响表示为与未经镉处理的植物相比，经镉处理的植物的相对变化值。除叶片和根的形态分析外，还对叶片，叶片主静脉和叶柄的横截面进行解剖参数测量。随着Mg浓度的增加，叶和根中Cd的浓度几乎呈线性下降。镉对甜菜叶片解剖特征的影响取决于镁的营养。仅仅由于叶片的特性，在各种镁处理下，甜菜叶的解剖特征发生了显着变化。对于叶片主静脉的测量参数（主静脉面积和韧皮部细胞横截面积百分比），发现分析组之间的最显着差异。

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  • 来源
    《Fresenius Environmental Bulletin》 |2014年第7期|1519-1523|共5页
  • 作者

    Jadranka Lukovic; Lana Zoric; Ivana Maksimovic; Slobodanka Pajevic;

  • 作者单位

    University of Novi Sad, Faculty of Sciences, Department of Biology and Ecology, Trg D. Obradovica 2,21000 Novi Sad, Serbia;

    University of Novi Sad, Faculty of Sciences, Department of Biology and Ecology, Trg D. Obradovica 2,21000 Novi Sad, Serbia;

    University of Novi Sad, Faculty of Agriculture, Trg D. Obradovica 8,21000 Novi Sad, Serbia;

    University of Novi Sad, Faculty of Sciences, Department of Biology and Ecology, Trg D. Obradovica 2,21000 Novi Sad, Serbia;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    leaf anatomy; cadmium; nutrient managment; sugar beet;

    机译：叶片解剖镉;营养管理;甜菜;

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