“…practice changes structural and vital processes by altering the plant hormonal balance, aiming to increase production, improve quality or facilitate harvest (MATEUS et al, 2004). Among growth retardant, trinexapac-ethyl has been recently released in Brazil and studied in wheat (T. aestivum L.) (ESPINDULA et al, 2009b;ESPINDULA et al, 2010b;SOUZA, et al, 2010), rice (Oryza sativa L.) (ALVAREZ et al, 2007), soybean (Glycine max L.) (LINZMEYER JUNIOR et al, 2008), sugarcane (Saccharum sp L.) (LEITE et al, 2008, VIANA et al, 2008, among other crops. This compound is an acyl-cyclohexanedione derivative that inhibits 2-oxoglutarate-dependent dioxygenases in step 3 of gibberellin biosynthesis (SRIVASTAVA, 2002).…”