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- Title
Improved Understanding of Hyperaccumulation Yields Commercial Phytoextraction and Phytomining Technologies.
- Authors
Chaney, Rufus L.; Angle, J. Scott; Broadhurst, C. Leigh; Peters, Carinne A.; Tappero, Ryan V.; Sparks, Donald L.
- Abstract
This article discusses commercial phytoextraction by hyperaccumulating plants. According to the authors, phytomining has been applied to nickel and cadmium. The Alyssum hyperaccumulator concentrates nickel in the vacuoles of leaf epidermal cells. This provides a defense against some plant diseases and insect predators. It also prevents metal toxicity. Thlaspi caerulescens phytoextracts cadmium needed for rice soils contaminated by zinc smelter emissions and mine waters. They argue that addition of chelating agents for other metals are cost prohibitive or cause leaching.
- Subjects
HYPERACCUMULATOR plants; PHYTOREMEDIATION; NICKEL; ALYSSUM; CADMIUM; PLANT vacuoles; THLASPI; MINE water
- Publication
Journal of Environmental Quality, 2007, Vol 36, Issue 5, p1429
- ISSN
0047-2425
- Publication type
Article
- DOI
10.2134/jeq2006.0514