“…Plants propagated by seeds are less tolerant to herbicides in their initial phase, due to Palavras-chave: auxinas sintéticas, branqueamento, 4-hidroxifenilpiruvato dioxigenase (HPPD), plantas daninhas. their smaller size and reduced amounts of nutritional reserves when compared to plants from cuttings (MacNeill et al, 2017;Santos et al, 2018a;Costa et al, 2021). So, it is necessary to evaluate herbicide tolerance in elephant grass crops propagated by seeds to manage weeds efficiently and safely.…”