Effect of soil cadmium on root organic acid secretion by forage crops
| Autor: | Peter Bishop, Paramsothy Jeyakumar, Nilusha Ubeynarayana, Christopher Anderson, Roberto Calvelo Pereira |
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| Rok vydání: | 2020 |
| Předmět: |
Fumaric acid
Bodily Secretions 010504 meteorology & atmospheric sciences Health Toxicology and Mutagenesis chemistry.chemical_element 010501 environmental sciences Toxicology 01 natural sciences Plant Roots Crop chemistry.chemical_compound Soil Animal science Fodder Cichorium Soil Pollutants 0105 earth and related environmental sciences Cadmium Rhizosphere Plantago biology Chemistry fungi food and beverages General Medicine biology.organism_classification Pollution Shoot New Zealand |
| Zdroj: | Environmental pollution (Barking, Essex : 1987). 268 |
| ISSN: | 1873-6424 |
| Popis: | The two forage species used in New Zealand pastoral agricultural systems, chicory (Cichorium intybus) and plantain (Plantago lanceolata) show differential ability to absorb and translocate cadmium (Cd) from roots to shoots. Chicory can accumulate Cd from even low Cd soils to levels that might exceed regulatory guidelines for Cd in fodder crops and food. Chicory and plantain were grown in soil-filled rhizocolumns under increasing Cd levels (0 (Control), 0.4, 0.8 and 1.6 mg Cd/kg soil) for 60 days and showed variable secretion of oxalic, fumaric, malic and acetic acids as a function of Cd treatment. Plant roots secrete such Low Molecular Weight Organic Acids into the rhizosphere soil, which can influence Cd uptake. Chicory showed significantly (P |
| Databáze: | OpenAIRE |
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