To con
fi
rm these results, a second experiment was performed.
The cultivars Jazzy and Olimpia were selected due to their
differences in water stress tolerance (
Table 1
) and K
+
(Rb
+
)
transport (
Fig. 2
). In this case, the plants were grown in a liquid
hydroponicsystemandPEGwasusedtoinducewaterstress.Inthis
way, lower mobility of K
+
in the growth medium caused by de
fi
cit
irrigation was avoided