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Enhanced Accumulation of Pb in Indian Mustard by Soil-Applied Chelating Agents
Phytoremediation is emerging as a potential cost-effective solution for the remediation of contaminated soils. Because contaminants such as lead (Pb) have limited bioavailability in the soil, a means…
Phytoremediation: A Novel Strategy for the Removal of Toxic Metals from the Environment Using Plants
Biological mechanisms of toxic metal uptake, translocation and resistance as well as strategies for improving phytoremediation are also discussed.
Phytoremediation of toxic metals : using plants to clean up the environment
Why Use Phytoremediation? (B. Ensley). ENVIRONMENTAL POLLUTION AND GREEN PLANTS. Phytoremediation's Economic Potential (D. Glass). Phytoremediation and Public Acceptance (R. Tucker & J. Shaw).…
Phytoextraction: the use of plants to remove heavy metals from soils.
- P. B. Kumar, V. Dushenkov, H. Motto, I. Raskin
- Chemistry, MedicineEnvironmental Science and Technology
- 1 May 1995
The high metal accumulation by some cultivars of B. juncea suggests that these plants may be used to clean up toxic metal-contaminated sites in a process termed phytoextraction.
Role of Salicylic Acid in Plants
- I. Raskin
Salicylic Acid : A Likely Signal for Disease Resistance in Plants and Search for Calorigen, and Other Effects of Exogenously Applied Salicylic acid.
Salicylic Acid: A Likely Endogenous Signal in the Resistance Response of Tobacco to Viral Infection
Findings suggest that salicylic acid functions as the natural transduction signal in resistant, but not susceptible, cultivars that synthesize pathogenesis-related proteins upon infection.
Mechanisms of Cadmium Mobility and Accumulation in Indian Mustard
Indian mustard (Brassica juncea L.), a high biomass crop plant, accumulated substantial amounts of cadmium, with bioaccumulation coefficients associated with a rapid accumulation of phytochelatins in the root, suggesting that the process of Cd transport from solution through the root and into the xylem is mediated by a saturable transport system(s).
Airborne signalling by methyl salicylate in plant pathogen resistance
It is concluded that methyl salicylate may function as an airborne signal which acitvates disease resistance and the expression of defence-related genes in neighbouring plants and in the healthy tissues of the infected plant.
Rhizofiltration: the use of plants to remove heavy metals from aqueous streams.
- V. Dushenkov, P. B. Kumar, H. Motto, I. Raskin
- Environmental ScienceEnvironmental Science and Technology
- 1 May 1995
Dried roots were much less effective than live roots in accumulating Pb and in removing Pb from the solution, and Pb removal was based on tissue absorption and on root-mediated Pb precipitation in the form of insoluble inorganic compounds, mainly Pb phosphate.
Salicylic acid is a systemic signal and an inducer of pathogenesis-related proteins in virus-infected tobacco.
The hypothesis that salicylic acid acts as an endogenous signal that triggers local and systemic induction of PR-1 proteins and, possibly, some components of systemic acquired resistance in NN tobacco is supported.