Effect of fe-catalyzed photooxidation of EDTA on root growth in plant culture media.

@article{Hangarter1991EffectOF,
  title={Effect of fe-catalyzed photooxidation of EDTA on root growth in plant culture media.},
  author={Roger P. Hangarter and T C Stasinopoulos},
  journal={Plant physiology},
  year={1991},
  volume={96 3},
  pages={843-7}
}
Light from fluorescent lamps can induce formaldehyde production and iron deficiency in plant nutrient culture medium. Formaldehyde is produced from EDTA when it is oxidized by the photochemical reduction of ferric iron and it can accumulate to inhibitory levels. The medium becomes iron deficient because iron becomes unchelated and forms an unavailable precipitate as EDTA is oxidized. The combination of light-induced formaldehyde production and loss of available iron reduces the ability of the… CONTINUE READING

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