Abstract
Summary Since K + can be regarded as the most important cation maintaining plant cell homeostasis, the K + transport is precisely regulated. In this review we consider the mechanisms for K + transport across plant membranes at a molecular level and effects of plant hormones and other growth regulators on these processes. Both short- and long-term (gene activation) effects of the growth regulators are considered. The role of ABA in osmotic adjustment is also treated. Finally, we discuss future research concerning the regulation of ion transport in plants.
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