Summary
The presence of high concentrations of BaCl2 in vermiculite grown Mung bean (Phaseolus aureus) resulted in a reduction in shoot growth compared with plants grown in equivalent concentrations of CaCl2. A high level of Ba ion was found in the mitochondria from plants grown at high Ba ion concentrations. Respiration rates of isolated mitochondria from plants grown at high levels of Ba were more rapid with all substrates tested, while the coupling parameters, including respiratory control with all substrates tested and ADP/O ratios with pyruvate-malate were partially reduced. These results were discussed as a possible mechanism of inhibition of plants grown in high-Ba soils.
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Minton, G.A., Wilson, R.H. The effect of Ba ions on the growth and mitochondrial metabolism of Mung bean seedlings. Plant Soil 39, 611–617 (1973). https://doi.org/10.1007/BF00264178
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DOI: https://doi.org/10.1007/BF00264178