highly significantP <0.001
Interestingly, KUE_RGR and LK shoot [Na + ] showed a highly significant negative correlation ( r = –0.385, P <0.001; Fig. 3 ) and similar, but weaker, negative correlations were found between KUE-RGR and HK shoot [Na + ], LK root [Na + ], and HK root [Na + ], respectively ( Supplementary Fig.