Influence of calcium, magnesium, sodium, potassium and pH on copper toxicity to barley (Hordeum vulgare).

@article{Lock2007InfluenceOC,
  title={Influence of calcium, magnesium, sodium, potassium and pH on copper toxicity to barley (Hordeum vulgare).},
  author={Koen Lock and Peggy Criel and Karel Andr{\'e} Clara De Schamphelaere and Hilde Van Eeckhout and Colin R. Janssen},
  journal={Ecotoxicology and environmental safety},
  year={2007},
  volume={68 2},
  pages={299-304}
}
The extent to which Ca(2+), Mg(2+), Na(+), K(+) ions and pH independently influence copper toxicity to barley (Hordeum vulgare) was assessed by measuring root growth in nutrient solutions. Increased Ca(2+) activity resulted in a sixfold decrease in [EC50(cu2+)] values, while a positive relationship between the cation activity and the EC50 was expected. Increased Mg(2+) activity resulted in a twofold increase in [EC50(cu2+)] values. Na(+), K(+) and H(+) activities did not significantly affect Cu… CONTINUE READING

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