Phytotoxicity of Washing Wastewaters from a Cutlery Production Line
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Phytotoxicity assessment plays an important role in environmental monitoring and risk assessment of metal-contaminated places. Since, only a few guidelines are available for the assessment of heavy metal phytotoxicity (Römbke and Moltman, 1996), quality-controlled toxicity data using standardized methods are actually quite rarely reported in the literature. Efroymson et al., (1997) developed toxicological benchmarks for screening the effects of contaminants that have the potential to arouse concern. This included the effect of certain heavy metals on terrestrial plants. They also reviewed phytotoxicity data derived from experiments conducted in nutrient culture and spiked soils (Efroymson et al., 1997). Phytotoxicity tests generally use toxicological endpoints such as root and shoot growth, biomass production and germination percent. However, physiological responses of plants to toxic metals consist not only of growth and production inhibition, but also in intensity alterations of...
KeywordsShoot Growth Fresh Mass Wastewater Concentration Shoot Growth Inhibition Root Fresh Mass
This study was supported by grants VEGA 1/4361/07.
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