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首页> 外文期刊>International Journal of Phytoremediation >Accumulation and effects of sulfadimethoxine in Salix fragilis L. plants: a preliminary study to phytoremediation purposes.
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Accumulation and effects of sulfadimethoxine in Salix fragilis L. plants: a preliminary study to phytoremediation purposes.

机译：磺胺二甲氧嘧啶在脆弱Sa柳植物中的积累及其作用：对植物修复目的的初步研究。

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The application of manure to fertilize arable lands is one of the major means through which veterinary sulfonamides (SAs) enter the environment. Little is known about the capacity of woody plants to phytoremediate this class of antibiotics. To this purpose we performed preliminary studies to evaluate Salix fragilis L. response to sulfadimethoxine (SDM) by investigating both its ability to absorb and tolerate doses of SDM found in fresh faeces of treated calves. Forty cuttings were exposed to either 0, 0.5, 1, or 2 mM of SDM for one month. Decreases in photosynthetic electron transport rate and net CO2 assimilation after 25 days for the higher SDM concentrations were noticed. Moreover, alterations in root morphology of treated plants were observed and further investigated through electron microscopy. However, collected data revealed high root accumulation potential. These preliminary results are promising as they demonstrate that Salix fragilis L. can both absorb and tolerate high concentrations of SAs.
机译：施用肥料使耕地肥沃是兽用磺酰胺类（SAs）进入环境的主要手段之一。关于木本植物对这类抗生素进行植物修复的能力知之甚少。为此，我们进行了初步研究，通过研究其吸收和耐受在处理过的牛犊新鲜粪便中发现的SDM剂量的能力，来评估脆弱的Salix脆弱类沙门氏菌对SDM的反应。将40个插条暴露于0、0.5、1或2 mM的SDM中一个月。较高的SDM浓度在25天后发现光合电子传输速率和净CO 2 同化降低。此外，观察到处理过的植物的根系形态变化，并通过电子显微镜进一步研究。然而，收集的数据显示出高的根积累潜力。这些初步的结果令人鼓舞，因为它们证明了脆弱的沙柳（Salix fragilis）可以吸收和耐受高浓度的SA。

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