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. 2019 Dec 9;7:e8191. doi: 10.7717/peerj.8191

Figure 7. Principal component analysis (PCA) of nitrogen metabolizing enzymes in wild and cultivated soybean seedlings under saline and alkaline salt stresses.

Figure 7

(A) Leaves nitrogen metabolizing enzymes among neutral salt stress samples. (B) Loadings of nitrogen metabolizing enzymes to PC1 and PC2 among neutral salt stress samples. (C) Leaves nitrogen metabolizing enzymes among alkaline salt stress samples (D) Loadings of nitrogen metabolizing enzymes to PC1 and PC2 among alkaline salt stress samples.