Loss of Rubidium and Potassium from Barley Roots on Sudden Chilling
Open Access
- 1 October 1979
- journal article
- research article
- Published by Oxford University Press (OUP) in Plant Physiology
- Vol. 64 (4) , 581-584
- https://doi.org/10.1104/pp.64.4.581
Abstract
Sudden chilling of roots of barley pretreated in a labeled Rb+ solution at 25 C causes a transient loss of label from the nonfree space. The half-time of the release is about 10 minutes. Within the first few hours of uptake the loss increases proportionally to the root Rb+ content but varies between experiments as a fraction of this content: values from 4 to 20% were observed. The same phenomenon is found for K+ labeled with 86Rb+Keywords
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