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首页> 外文期刊>Pakistan journal of botany >Evaluation of potential of Epipremnum aureum Engl. in removing zinc (Zn) toxicity
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Evaluation of potential of Epipremnum aureum Engl. in removing zinc (Zn) toxicity

机译:EpipRemnum Aureum Engl潜力的评价。去除锌(Zn)毒性

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摘要

In the current research, money plant (Epipremnum aureum Engl.), an indoor plant which is a member of family Araceae was studied in order to explore its potential in the phytoremediation of zinc (Zn), which is toxic for the plant in higher concentrations. Selected plant s were treated with different concentrations of ZnCl 2 as Zn is known to be toxic for plant growth and development in higher concentration. Doses of ZnCl 2 were applied at concentration of 10, 20 and 30ppm which resulted in degradation of chlorophyll, reduction of leaf lamina and inhibition of vascular growth of leaves and stem. Stomata of ZnCl 2 treated plants remained closed with higher doses followed by overall reduction in leaf growth which was further revealed through spectrometric techniques. However, as roots did not show any visible symptom of Zn toxicity but accumulation of Zn within stem and leaf tissues (as shown through atomic absorption spectrometry) suggested that plant was capable of translocating Zn to aerial parts, therefore could be used to solve problems caused by Zn toxicity.
机译:在目前的研究中,研究了金钱植物(EpipRemnum Aureum Engl。),是一种作为家庭苜蓿的成员的室内植物,以探讨其在锌(Zn)的植物中的潜力,这对植物具有更高浓度的植物毒性。选择的植物S用不同浓度的ZnCl 2处理,因为已知Zn对植物生长和较高浓度的发育有毒。 ZnCl 2的剂量以10,20和30ppm施用,导致叶绿素降解,减少叶片薄片和叶片和茎的血管生长。 ZnCl 2处理植物的气孔保持较高剂量,然后通过光谱技术进一步揭示叶生长的总体减少。然而,由于根源没有显示出Zn毒性的任何可见症状,但茎和叶组织内的Zn积聚(如通过原子吸收光谱法所示)表明植物能够将Zn转移到空中部件,因此可用于解决引起的问题通过Zn毒性。

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