Despite the fact that K+ plays an important role in plant water
relations, very little research has been carried out to elucidate how
the transport of K+ in the root is affected by water stress and the
consequent implication for plant re-hydration. It has been reported
that Shaker K+ channel genes are involved in k+ release into the
xylem sap and that ABA induces a marked decrease in SKOR transcript levels