Jerusalem artichoke (Helianthus tuberosus L.) for phytomanagement of potentially toxic metal-contaminated soils: a cadmium-focused review
DOI:
https://doi.org/10.32636/01308521.2026-(80)-1-1Keywords:
Helianthus tuberosus L., Jerusalem artichoke, phytoremediation, Cadmium, potentially toxic metals, phytostabilization, phytoextraction, PRISMA 2020Abstract
Soil contamination by potentially toxic metals (PTMs), particularly cadmium (Cd), is a persistent environmental problem because metals do not degrade and may enter food chains. This review assesses the evidence for using Jerusalem artichoke (Helianthus tuberosus L.) in the phytomanagement of PTM-contaminated soils, with emphasis on Cd. A systematic search of Scopus and Web of Science was followed by a narrative synthesis of eligible studies. The available evidence indicates that Cd tolerance, biomass production, accumulation, and root-to-shoot translocation vary substantially among genotypes and experimental conditions. Several studies report greater Cd retention in roots than in shoots, indicating low translocation and potential relevance to stabilization-oriented phytomanagement; however, root accumulation alone does not demonstrate long-term immobilization. Selected high-biomass genotypes may contribute to gradual phytoextraction when aboveground biomass is repeatedly harvested, but field-scale Cd mass-balance data remain limited. Soil pH, mixed-metal contamination, amendments, and plant-associated bacteria can modify plant growth and metal availability. Accordingly, H. tuberosus should be regarded as a candidate for long-term phytomanagement of slightly to moderately contaminated land unsuitable for food production rather than as a rapid decontamination technology. Biomass produced on contaminated sites must be excluded from food and feed chains and managed through a validated and regulated pathway.
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