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Journal of Applied Sciences and Environmental Management
World Bank assisted National Agricultural Research Project (NARP) - University of Port Harcourt
ISSN: 1119-8362
Vol. 10, No. 1, 2006, pp. 83-87
Bioline Code: ja06014
Full paper language: English
Document type: Research Article
Document available free of charge

Journal of Applied Sciences and Environmental Management, Vol. 10, No. 1, 2006, pp. 83-87

 en Effects of heavy metals on some proximate composition of Eichhornia crassipes check for this species in other resources
ODJEGBA, V J; FASIDI, I O

Abstract

Effects of 8 heavy metals (Ag, Cd, Cr, Cu, Hg, Ni, Pb and Zn) on the total chlorophyll, foliar proline, and protein and starch contents of Eichhornia crassipes check for this species in other resources was investigated. Plantlets were grown in quarter-strength Hoagland's solution and supplemented with 0, 0.1, 0.3, 0.5, 1.0, 3.0 and 5.0 mM of each of the metals for 3 weeks. There was a significant reduction (p≤0.05) in total chlorophyll, protein and starch contents, while foliar proline increased significantly. These effects were however dependent on the nature of the metal, its concentration and duration of exposure.

 
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