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

Fig. 1.

Fig. 1

Dry biomass of young and old fronds of P. cretica var. Albo-lineata. Values represent mean ± SD. The Kruskal-Wallis test was used to compare the significance (p < 0.05) between: i) treatments of young fronds (control and As100) and old fronds (control, As100 and As250) and ii) young and old fronds of control and As100 treatment. Treatments significantly different from each other are marked with asterisks. Differences between young and old frond was not significant