Active ion-mediated sap flow regulation in plants




2015.05.18 21:43

The ion-responsiveness of water transport was investigated to understand the mechanism of active water flow regulation in plants. Different ion types significantly affected water transport in xylem conduits. Sap flow rate decreased with an increasing K+/Ca2+ ratio, while a decrease in the ionic ratio accelerated the ascent of ionic solution. The mechanism of interactive ionic effects was conjectured in a physicochemical standpoint.  

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