Assessment of O₂ diffusivity across the barrier to radial O₂ loss in adventitious roots of Hordeum marinum

The subapical regions of wetland plant roots can develop a barrier to radial O₂ loss (ROL), but barrier resistance has rarely been quantified in terms of its O₂ diffusivity. Barrier resistance in adventitious roots of the waterlogging-tolerant Hordeum marinum was assessed from measurements of ROL us...

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Veröffentlicht in:	The New phytologist 2008-07, Vol.179 (2), p.405-416
Hauptverfasser:	Garthwaite, Alaina J., Armstrong, William, Colmer, Timothy D.
Format:	Artikel
Sprache:	eng
Schlagworte:	Adventitious roots aerenchyma Cold Temperature Culture Media - chemistry Diffusion Diffusion coefficient Dose-Response Relationship, Drug Electrodes exodermis Hordeum - cytology Hordeum - metabolism Hordeum marinum hypodermis Nutrient solutions O2 permeability Oxygen Oxygen - chemistry Oxygen - metabolism Oxygen - pharmacology Oxygen Consumption - physiology O₂ permeability permeability barrier Plant roots Plant Roots - cytology Plant Roots - metabolism Plants Porosity radial O2 loss (ROL) radial O₂ loss (ROL) Respiration Root tips Time Factors waterlogging tolerance wetland plant wetland plants
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