OATAO is an open access repository that collects the work of Toulouse researchers and makes it freely available over the web where possible. This is an author-deposited version published in : http://oatao.univ-toulouse.fr/ Eprints ID : 17422 To link to this article : heavy metal uptake, toxicity and detoxification in plants: A comparison of foliar and root metal uptake. Review Foliar heavy metal uptake, toxicity and detoxification in plants: A comparison of foliar and root metal uptake Root

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... ke Toxicity Detoxification toxicity and in plant detoxification. We have described the biological and environmental factors that affect foliar uptake of heavy metals and compared the biogeochemical behaviour (uptake, translocation, compartmentation, toxicity and detoxification) of heavy metals for root and foliar uptake. The possible health risks associated with the consumption of heavy metal-laced food are also discussed.