| 摘要 |
FIELD: organic chemistry, agriculture. ^ SUBSTANCE: claimed mixture from herbicides and antidotes contains (A) herbicidically active substance based on phenylsulfonylureas of formula I and salts thereof (in formula R1 is hydrogen or C1-C6-alkyl; R2 is C1-C3-alkyl; R3 is C1-C3-alkoxy; R4 is hydrogen or C1-C4-alkyl; Hal is fluorine, chlorine, bromine, or iodine); and (B) antidote of formulae II or III , wherein X is hydrogen, halogen, C1-C4-alkyl; C1-C4-alkoxy, nitro or C1-C4-haloalkyl; Z is hydroxyl, C1-C8-alkoxy, C3-C6-cycloalkoxy, C2-C8-alkenyloxy, C2-C8-alkynyloxy; R5 is C1-C2-alkandiyl chain optionally substituted with one or two C1-C4 alkyl residues or (C1-C3-alcoxy)carbonyl; W is bivalent heterocyclic residue; n = 1-5; in weight ratio herbicide/antidote of 100:1-1:100. Also disclosed is method for protection of cultural plants against phytotoxic side effect of herbicidically active substance of formula I. Claimed method includes antidote application of formulae II or III on plant, plant parts, plant seeds or seeding areas before or together with herbicidically active substance in amount of 0.005-0.5 kg/hectare in weight ratio of 100:1-1:100. ^ EFFECT: mixture for effective selective weed controlling in cultural plant, particularly in maize and grain cultures. ^ 8 cl, 2 ex, 7 tbl |
