ZnO nanoparticles and root colonization by a beneficial pseudomonad influence essential metal responses in bean (Phaseolus vulgaris).

@article{Dimkpa2015ZnONA,
  title={ZnO nanoparticles and root colonization by a beneficial pseudomonad influence essential metal responses in bean (Phaseolus vulgaris).},
  author={Christian O Dimkpa and Trevor Hansen and Jacob W. Stewart and Joan E. Mclean and David W Britt and Anne J Anderson},
  journal={Nanotoxicology},
  year={2015},
  volume={9 3},
  pages={
          271-8
        }
}
Nanoparticles (NPs) incorporated into commercial products are reactive on plants. Here, the influence of a root-associated bacterium, Pseudomonas chlororaphis O6 (PcO6) on the responses of bean (Phaseolus vulgaris) to commercial ZnO nanoparticles (NPs) was examined. ZnO NPs (250-1000 mg Zn/kg) significantly (p = 0.05) impacted root elongation after 7 days; only at 1000 mg/kg was shoot growth significantly inhibited. Zn solubilized from ZnO NPs correlated with root growth inhibition (r(2 )= 0… CONTINUE READING
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