Constitutional tolerance to heavy metals of a fiber crop, ramie (Boehmeria nivea), and its potential usage.
Environ Pollut
; 158(2): 551-8, 2010 Feb.
Article
in En
| MEDLINE
| ID: mdl-19828218
ABSTRACT
It is observed that ramie (Boehmeria nivea), an economic fiber crop, can establish and colonize metal-contaminated sites in China. Metal tolerance and accumulation by ramie originating from 13 metal-contaminated and 4 "clean" sites in China were compared under field and hydroponic conditions. All selected populations and germplasms displayed good growth performance under diverse metal-contaminated habitats; while growth responses, metal accumulation and tolerance were similar among the 8 populations and 2 germplasms when exposed to solutions containing elevated As, Cd, Pb, or Zn in the laboratory. These revealed that ramie possesses a certain degree of constitutional metal tolerance. To our knowledge, this is the first report of constitutional metal tolerance possessed by a fiber crop. Ramie can be considered as a good candidate for both fiber production and phytoremediation of sites contaminated by multi-metals, as it accumulates relative low metal concentrations, but possesses both high biomass and high economic value.
Full text:
1
Collection:
01-internacional
Database:
MEDLINE
Main subject:
Metals, Heavy
/
Boehmeria
Country/Region as subject:
Asia
Language:
En
Journal:
Environ Pollut
Journal subject:
SAUDE AMBIENTAL
Year:
2010
Document type:
Article