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. 2020 Mar 30;20:130. doi: 10.1186/s12870-020-2325-6

Fig. 4.

Fig. 4

Cross-section through an adventitious root of P. cretica var. Albo-lineata. Treatment: control (4a; 0 mg As kg− 1 soil); As100 (4b; 100 mg As kg− 1 soil); As250 (4c; 250 mg As kg− 1 soil). Abbreviations: vc, vascular cylinder; scl, sclerenchymatous inner cortex; par, parenchymatous outer cortex; ep, epidermis