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Effect of species and cotyledon removal on seedling relative growth rate (RGR) (mean ± SE) at different growth stages. RGR 1 and RGR 2 indicated relative growth rate between 28 May to 30 June 2014, and 30 June to 6 August 2014, respectively. Different letters within the species indicate significant differences at each growth stage based on Duncan's multiple range tests (P < .05, n = 8/10)
