
Keywords: پل; 2,4-D; 2,4-dichlorophenoxyacetic acid; BR; breaker; DAA; days after anthesis; DAO; DIOXYGENASE FOR AUXIN OXIDATION; FB; flower bud; Fl; flower; GH3; GRETCHEN HAGEN 3; GUS; β-glucuronidase; HPLC/MS/MS; high performance liquid chromatography coupled with a