Fig. 2
From: Metabolic differences of two constructive species in saline-alkali grassland in China
The OPLS-DA score plot of primary metabolites and the Q value of them significantly metabolites between S. salsa and P. tenuiflora. (a) The OPLS-DA score plot of primary metabolites; (b) Q value of sugar; (c) Q value of amino acid; (d) Q value of alcohol; (e) Q value of acids. Sr: the root of S. salsa. Ss: the stem of S. salsa. Sl: the leaf of S. salsa. Pr: the root of P. tenuiflora. Ps: the stem of P. tenuiflora. Pl: the leaf of P. tenuiflora