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Relative productive success calculated as the subtraction of seed production per plant of each population cross [experiment 1: Ps−(Ps), Ps−(Mr), and Ps−(Mr); and experiment 2: Ps−(Ps), Ps+(Gs), and Ps+(Gr)] to the seed production per plant of reference population [Ps+(Ps)] under control situation (without herbicide). Values are means ± SE (n = 3).
