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Ranking of crop plants according to their potential to uptake and accumulate contaminants of emerging concern

机译：根据他们的潜力对作物植物的排名进行吸收和积累出新的疑虑的污染物

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The reuse of treated wastewater (TWW) for irrigation and the use of biosolids and manures as soil amendment constitute significant pathways for the introduction of the contaminants of emerging concern (CECs) to the agricultural environment. Consequently, CECs are routinely detected in TWW-irrigated agricultural soils and runoff from such sites, in biosolids- and manure-amended soils, and in surface and groundwater systems and sediments receiving TWW. Crop plants grown in such contaminated agricultural environments have been found to uptake and accumulate CECs in their tissues, constituting possible vectors of introducing CECs into the food chain; an issue that is presently considered of high priority, thus needing intensive investigation. This review paper aims at highlighting the responsible mechanisms for the uptake of CECs by plants and the ability of each crop plant species to uptake and accumulate CECs in its edible tissues, thus providing tools for mitigating the introduction of these contaminants into the food chain. Both biotic (e.g. plants' genotype and physiological state, soil fauna) and abiotic factors (e.g. soil pore water chemistry, physico-chemical properties of CECs, environmental perturbations) have been proven to influence the ability of crop plants to uptake and accumulate CECs. According to authors' estimates, based on the thorough elaboration of knowledge produced by existing relevant studies, the ability of crop plants to uptake and accumulate CECs decrease in the order of leafy vegetables root vegetables cereals and fodder crops fruit vegetables; though, the uptake of CECs by important crop plants, such as fruit trees, is not yet evaluated. Overall, further studies must be performed to estimate the potential of crop plants to uptake and accumulate CECs in their edible tissues, and to characterize the risk for human health represented by their presence in human and livestock food products.
机译：作为土壤修正案的灌溉和使用生物溶解和粪便使用的经处理的废水（TWW）的重用构成了导致农业环境的新出现关注（CEC）的污染物的显着途径。因此，CEC在双灌注的农业土壤中，在生物溶解和粪便和粪便修正的土壤中，以及接受TWW的表面和地下水系统和地下水系统和地下水系统和地下水系统和地下水系统和沉积物中，常规地检测到CEC。已经发现在这些受污染的农业环境中生长的作物植物吸收并积聚组织中的CEC，构成将CEC引入食物链的可能载体;目前考虑过高优先级的问题，从而需要密集的调查。本综述旨在突出植物摄取CEC的负责机制以及每种作物植物物种在其可食用组织中积聚CEC的能力，从而提供用于减轻将这些污染物引入食物链的工具。生物（例如植物基因型和生理状态，土壤粪便）和非生物因子（例如土壤孔隙水化学，CEC的物理化学性质，环境扰动），以影响作物植物吸收和积累CEC的能力。根据作者的估计，根据现有相关研究产生的彻底制定知识，作物植物吸收和积聚CEC的能力，叶状蔬菜秩序>根蔬菜>谷物和饲料作物>水果蔬菜;但是，尚未评估重要作物植物的CEC，如果树，尚未评估。总体而言，必须进行进一步的研究以估计作物植物在其可食用组织中吸收和积聚CEC的潜力，并表征其在人类和牲畜食品中存在的人类健康风险。

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