FIELD: chemistry.
SUBSTANCE: invention relates to agriculture. The composition for protecting wheat and barley from harmful effects of 6-amino-2-(substituted phenyl)-5-substituted-4-pyrimidine carboxylate herbicide of formula 
wherein Q is C2-C4alkenyl or C1-C4alkoxy; X is H or halogen; Y is H, halogen, C1-C4alkoxy or -NR1R2; Z is halogen, C1-C4alkyl or C1-C4haloalkyl and R1 and R2 are independently H or C1-C4alkyl; or an agriculturally acceptable salt, ester or amide derivative thereof. The composition additionally contains an antidote. The antidote is cloquintocet, cloquintocet-mexyl, fenchlorazole, fenchlorazole-ethyl mefenpyr or mefenpyr-diethyl or a mixture thereof. The weight ratio of the antidote to the 6-amino-2-(substituted phenyl)-5-substituted-4-pyrimidine carboxylate herbicide is in the range of 1:16 to 4:1.
EFFECT: invention reduces damage to wheat and barley caused by the herbicide.
17 cl, 24 tbl
