Figure 2From: Role of 5-aminolevulinic acid in the salinity stress response of the seeds and seedlings of the medicinal plant Cassia obtusifolia L.Levels of F v / F m (A), F v '/ F m ' (B), ΦPSII (C), qP (D), and NPQ (E) treated with different ALA concentrations under salinity stress. Vertical bars indicate standard errors (n = 9). Mean values with different letters are significantly different by the Tukey test at the P = 0.05 level.Back to article page