SULFITE OXIDATION IN, AND SULFATE UPTAKE FROM THE CELL-WALL OF LEAVES- INMURO STUDIES

In muro studies on sulfite oxidation and sulfate uptake were performed using primary leaves of barley. Experiments carried out with leaves i nfiltrated with solutions containing sulfite and/or sulfate revealed t hat oxidation of sulfite as well as the uptake of sulfate were strictl y dependent on the apoplastic pH; the rates of sulfite oxidation were higher at alkaline than at acidic pH values.