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. 2020 Jan 13;8:e8354. doi: 10.7717/peerj.8354

Figure 3. Changes of amino acids content (mg 100 g−1 DW) of four fern species under four shading treatments.

Figure 3

(A) Relative value of each amino acid change (percentage relative to Threonine). (B) Essential amino acid content. (C) Non-essential amino acid content. (D) Total amino acid content. MS, M. struthiopteris, AM, A. multidentatum, OCA, O. cinnamomea (L.) var. asiatica, PAL, P. aquilinum (L.) Kuhn var. latiusculum, 35% FS, 35% full sunlight, 13% FS, 13% full sunlight, 8% FS, 8% full sunlight, 4% FS, 4% full sunlight. Different lowercase letters mean significant difference among different treatments in the same fern at P ≤ 0.05. Different uppercase letters mean significant difference between four fern species at P ≤ 0.05 (Duncan’s test). Error bars are ± SD (n = 3).