Cited by 2,233Heavy metals in environmentHeavy Metals in PlantsPlant Stress Responses and Tolerance

Accumulators and excluders ‐strategies in the response of plants to heavy metals

Baker, A. J. M.·1981·Journal of Plant Nutrition

Abstract

Plants colonizing metalliferous soils have evolved physiological mechanisms which enable them to tolerate metal toxicity. These mechanisms do not generally suppress metal uptake but result in internal detoxification. Two basic strategies of plant response are suggested, accumulators and excluders. In the former, metals can be concentrated in plant parts from low or high background levels. By contrast, differential uptake and transport between root and shoot in excluders, lead to more or less constant low shoot levels over a wide range of external concentration. ‘Indicators’ are seen as a further mode of response where proportional relationships exist between metal levels in the soil, uptake and accumulation in plant parts. The physiological properties of accumulator and excluder species are considered in relation to metal tolerance mechanisms.

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Crossref · 10.1080/01904168109362867

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Authors
Baker, A. J. M.
Affiliations
University of Sheffield (GB)
Corresponding author
Baker, A. J. M.
Venue
Journal of Plant Nutrition
Published
1981-01
Volume
3
Issue
1-4
Pages
643-654
ISSN
  • 0190-4167 (ISSN-L)
  • 1532-4087
OpenAlex
W2157845544
Cited by
2,233
References
0
Citations by year
2026: 57 · 2025: 49 · 2024: 89 · 2023: 95 · 2022: 107 · 2021: 122 · 2020: 148 · 2019: 102 · 2018: 118 · 2017: 101 · 2016: 95 · 2015: 100 · 2014: 108 · 2013: 86 · 2012: 99
FWCI
3.48
Type
journal article
Language
en
Open access
closed
Locations
Journal of Plant Nutrition (publishedVersion)
Topics
  • Physical Sciences › Environmental Science › Pollution › Heavy metals in environment
  • Physical Sciences › Chemistry › Analytical Chemistry › Heavy Metals in Plants
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Plant Stress Responses and Tolerance
Keywords
heavy metal tolerance, metal accumulation, metal exclusion, metal transport, metal detoxification, metalliferous soils, metal indicators, metal uptake, root-shoot partitioning

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