Recovery of cowpea seedling roots from exposure to toxic concentrations of trace metals

@article{Blamey2010RecoveryOC,
  title={Recovery of cowpea seedling roots from exposure to toxic concentrations of trace metals},
  author={F Pax C Blamey and Peter M. Kopittke and Johannes Bernhard Wehr and Neal W. Menzies},
  journal={Plant and Soil},
  year={2010},
  volume={341},
  pages={423-436}
}
Rhizotoxic effects of many trace metals are known, but there is little information on recovery after exposure. Roots of 3-d-old cowpea (Vigna unguiculata (L.) Walp. cv. Caloona) seedlings were grown for 4 or 12 h in solutions of 960 μM Ca and 5 μM B at two concentrations (which reduce growth by 50 or 85%) of nine trace metals that rupture the outer layers of roots. Measured concentrations were 34 or 160 μM Al, 0.6 or 1.6 μM Cu, 2.2 or 8.5 μM  Ga, 2.3 or 12 μM Gd, 0.8 or 1.9 μM Hg, 1.0 or 26 μM… CONTINUE READING

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