Abstract
The effect of calcium on the flux of potassium to the exudate of detached root systems of Ricinus communis has been investigated. Previous analyses have indicated the presence of a water dependent and a water independent flux of potassium which vary with the concentration of potassium in the bathing medium, in the presence of 0.1 mM CaCl2. In the present study it has been observed that at a higher concentration of calcium in the bathing medium (2.5 mM CaCl2) the water dependent flux of potassium is greatly reduced while the water independent flux is not affected. It is proposed that the differential effect of calcium on these two fluxes is a reflection of the degree of dependence of these fluxes on the permeability of the plasmamembranes within the root.
Published Version
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a call