Fig. 5From: Microbial amelioration of salinity stress in endangered accessions of Iranian licorice (Glycyrrhiza glabra L.)The Phenylalanine Ammonia-Lyase activity of Iranian Licorice accessions under Azotobacter application. According to the analysis of variance that double effects of Azotobacter and accession showed a significant difference, the slice method was used for mean comparisons. Columns with the same letter are not significantly different (p ≤ 0.05) (Tukey test). Bars stand for standard error (SE)Back to article page