Claim 1: A diaminotriazine compound of the formula (1) wherein q is 0, 1, 2 or 3, Rᵃ is selected from the group consisting of C₁₋₆-haloalkoxy, C₁₋₆-haloalkylthio, (C₁₋₆- haloalkyl) sulfinyl, (C₁₋₆-haloalkyl) -carbonyl, (C₁₋₆-haloalkyl) sulfonyl, C₂₋₆-alkenyloxy, C₂₋₆-haloalkenyloxy, C₂₋₆-alkynyloxy, C₂₋₆-haloalkyloxy, (C₁₋ ₆-haloalkoxy) -C₁₋₆ alkoxy, (C₁₋₆-alkyl) -carbonyloxy, (C₁₋₆-haloalkyl) -carbonyloxy, C₃₋₆-cycloalkoxy, C₃₋₆-halocycloalkoxy, (C₃₋₆-cycloalkyl) - C₁₋₄-alkoxy, (C₃₋₆-halocycloalkyl) -C₁₋₄-alkoxy,(C₃₋₆-cycloalkyl) -C₁₋₄-alkyl, (C₃₋₆-halocycloalkyl) -C₁₋₄-alkyl, (C₃₋₆-cycloalkoxy) -C₁₋₄-alkyl, (C₃₋₆-halocycloalkoxy) - C₁₋₄-alkyl, (C₃₋₆-cycloalkyl) -carbonyloxy, (C₁₋₆-alkoxy) -C₁₋₆-alkoxy； Rᵇ is selected from the group consisting of halogen, OH, CN, amino, NO₂,C₁₋₆-alkyl, C₂₋₆-alkenyl, C₂₋₆-alkynyl, C₁₋₆-alkoxy, C₂₋₆-alkenyloxy, C₂₋₆-alkynyloxy, (C₁₋₆-alkoxy) -C₁₋₆-alkyl, (C₁₋₆-alkoxy) -C₁₋₆-alkoxy, (C₁₋₆-alkoxy) -C₂₋₆-alkenyl, (C₁₋₆-alkoxy) -C₂₋₆-alkynyl, C₁₋₆-alkylthio, (C₁ ₋₆-alkyl) sulfinyl, (C₁₋₆-alkyl) sulfonyl, (C₁₋₆-alkyl) amino, di (C₁₋₆-alkyl) amino, (C₁₋₆-alkyl) -carbonyl, (C₁₋₆- alkoxy) -carbonyl, (C₁₋₆-alkyl) -carbonyloxy, C₃₋₆-cycloalkyl, C₃₋₆-cycloalkoxy, (C₃₋₆-cycloalkyl) -C₁₋₄-alkyl, (C₃₋₆-cycloalkyl) -C₁ ₋₄-alkoxy,a. The biological and chemical parts of the above 24 radicals have not been partially or completely halogenated. The last six radicals may have 1, 2, 3, 4, 5 or 6 methyl groups, if q = 2 or 3, r749595 may be the same or different； R1 from h, oh, s (o) 8322； nh832222；CN, C₁₋₆-alkyl, C₂₋₆-alkenyl, C₂₋₆-alkynyl, (C₃₋₆-cycloalkyl) -C₁₋₄-alkyl, C₁₋₆-alkoxy, (C₁₋₆-alkoxy) -C₁₋ ₆-alkyl, (C₁₋₆-alkyl) carbonyl, (C₃₋₆-cycloalkyl) carbonyl, (C₁₋₆-alkoxy) carbonyl, (C₁₋₆-alkyl) sulfonyl, (C₁₋₆-alkylamino) carbonyl, di (C₁₋₆-alkyl) aminocarbonyl, (C₁₋₆-alkylamino) sulfonyl, di (C₁₋₆-alkyl) aminosulfonyl and (C₁₋₆-alkoxy) sulfonyl, wherein the aliphatic and cycloaliphatic parts of the aforementioned radicals they are unsubstituted, parti
