Potassium Loss and Changes in the Fine Structure of Corn Root Tips Induced by H-ion 1

AUTOR(ES)

Marschner, Horst

RESUMO

The effects of H, Ca, and anaerobiosis upon loss of K to ambient solutions, upon changes in the fine structure, and upon the respiration of corn root tissue were studied. In the pH range 5.5 to 8.0 losses of K decreased with decreasing H concentration. Ca reduced K loss greatly in the lower part of the pH range but with increasing pH the effect of Ca declined. Losses of K under N2 were much greater than those measured under air but the same effects of H and Ca were found. The effect of phosphate upon K loss was found to depend upon pH, temperature and the state of development of the tissue.

Documentos Relacionados

• Color Standards for the Colorimetric Measurement of H-Ion Concentration
• THE INFLUENCE OF H-ION CONCENTRATION ON THE SPORULATION OF B. WELCHII
• TOLERANCE OF SHORTLEAF PINE SEEDLINGS FOR SOME VARIATIONS IN SOLUBLE CALCIUM AND H-ION CONCENTRATION1
• Further Observations on “Color Standards” for the Colorimetric Determination of H-Ion Concentration
• “Color Standards” for the Colorimetric Measurement of H-Ion Concentration pH 1.2 to pH 9.8