Figure 4

PCA analysis of all the evaluated parameters in cabbage cultivars. Collard & 0 mg/L amino acid (CC), Collard & 150 mg/L amino acid (C1), Collard & 300 mg/L amino acid (C2), Ka-red & 0 mg/L amino acid (KC), Ka-red & 150 mg/L amino acid (K1), Ka-red & 300 mg/L amino acid (K2), Ka-smooth & 0 mg/L amino acid (SC), Ka-smooth & 150 mg/L amino acid (S1), Ka-smooth & 300 mg/L amino acid (S2), Ka-scotch & 0 mg/L amino acid (SCC), Ka-scotch & 150 mg/L amino acid (SC1), Ka-scotch & 300 mg/L amino acid (SC2), Height (hig), Number of leaves per plant(Nu), Chlorophyll (SPAD), Shoot fresh weight (SFW), Shoot dry weight (SDW), Root fresh weight (RFW), Root dry weight (RDW), Total Chlorophyll (CH), Proline (Pro-1), Carotenoid (Cart), Anthocyanin (Ant), Phenol (Phen), Protein (Pro), Flavonoids (Fla), Antioxidant (Anti), Catalase (CAT), Peroxidase (POX), Ascorbate peroxidase (APX), Superoxide dismutase (SOD), Glucoraphanin (Glu-nin), Progoitrin (Prog), Gluconapin (Glu-pin), Glucobrassicin (Glu-cin), Gluconasturtiin (Glu-tin).