Phytoextraction: a review on enhanced metal availability and plant accumulation
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چکیده
منابع مشابه
Phytoextraction: a Review on Enhanced Metal Availability and Plant Accumulation
Phytoextraction has emerged as a novel approach to clean up metal-polluted soils in which plants are used to transfer toxic metals from soils to shoots. This review provides a synthesis of current knowledge on phytoextraction of metals from soils and their accumulation in plants. The objective is to integrate soil-related (root exudates and chemical amendments) and biological advances to sugges...
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Lead (Pb), cadmium (Cd), and arsenic (As) are three common non-essential heavy metals found in urban soils and can prove toxic to animals, humans, and some plants at low concentrations. The main exposure pathways of heavy metals in humans are through ingestion and inhalation of soil particles and ingestion of contaminated food. When dealing with contaminated soil in urban environments, activiti...
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Plant growth, pigment concentration, biochemical parameters and uptake of heavy metals were determined for Brassica juncea L. in response to cadmium and lead stress. The plant exhibited a decline in growth, chlorophyll content and carotenoids with Cd and Pb but Cd was found to be more detrimental than Pb treatment in B. juncea. The protein content was decreased by Cd (900 μM) to 95% and 44% by ...
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Soluble root exudates collected from the barley grown in Fe deficient-nutrition solutions were added to soil to study their effects on metal solubility. The results showed that the addition of barley root exudates from the Fe deficient-nutrition solutions resulted in a 4.7-, 3.2-, 9.7-, 4.9and 11.5-fold increase in the concentrations of soluble Cu, Pb, Zn, Cd and Fe, respectively, in comparison...
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Background: A pot experiment was conducted to determine the toxic effects of some heavy metals on the plant growth and seed yield of maize (Zea mays L.). Materials and Metheds: Heavy metals Mn, Pb, Cd, Cr and Co individually and in combinations were added as chloride salts in solutions to the pots before sowing. The test plants for were harvested after 80 days of germination and evaluated f...
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ژورنال
عنوان ژورنال: Scientia Agricola
سال: 2006
ISSN: 0103-9016
DOI: 10.1590/s0103-90162006000300014