Nickel and phosphorous sorption efficiencies, tissue accumulation kinetics and morphological effects on Eichhornia crassipes.
作者： H. R. Hadad , M. A. Maine , M. Pinciroli , M. M. Mufarrege
DOI: 10.1007/S10646-009-0308-3
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摘要: The aim of the research was to assess uptake efficiencies Ni and P, their distribution in tissues along time toxic effects on internal external morphologies Eichhornia crassipes. Aquaria with plants exposed 1 mg Ni l−1 or 5 mg P l−1 control were arranged triplicate. Water (aerial parts roots) sampled 30 days. tissue bioaccumulation kinetics significantly faster than that P. Mean root length, number leaves, biomass chlorophyll concentration negatively affected by Ni, while these parameters increased P comparison control. Stele metaxylem vessel cross-sectional areas (CSA) treatment lower obtained Metaxylem vessels CSA higher those Despite effects, E. crassipes efficiently accumulated probably due morphological plasticity its system.
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