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Arabidopsis performance under competition at different densities. (a) Total number of siliques produced per pot. (b) Average number of siliques produced by a single plant. (c) Mean fresh weight per plant growing in soil or hydroponic culture (baked clay beads). Data are the mean (±SE) of three independent biological replicates. Different lowercase letters indicate significant differences (One-way ANOVA, Tukey HSD test, P < 0.05).
