Fig. 6

Proline levels in hydroponically grown basil under 50 mM salt stress with biostimulant treatments. Histograms sharing the same letter within the same color group are not significantly different (p < 0.05).
Proline levels in hydroponically grown basil under 50 mM salt stress with biostimulant treatments. Histograms sharing the same letter within the same color group are not significantly different (p < 0.05).