Fungicidal mixtures

Details Fungicidal mixtures Fungicidal mixtures

1998-10-22

2000-10-17

Robinson, Allen J.

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Having -c-, wherein x is chalcogen, bonded directly to...

514383, 514407, 514508, 514538, 514618, 514619, A01N 4340, A01N 3718, A01N 3752, A01N 4356, A01N 4364

Patent

active

061332984

DESCRIPTION:

BRIEF SUMMARY
The present invention relates to a fungicidal mixture which comprises
a) a carbamate of the formula I ##STR4## where T is CH or N, n is 0, 1 or 2 and R is halogen, C.sub.1 --C.sub.4 -alkyl or C.sub.1 --C.sub.4 -haloalkyl, it being possible for the radicals R to be different when n is 2, and/or
b) an oxime ether of the formula II ##STR5##
where (N--C.sub.1 --C.sub.4 -alkyl); --C.sub.6 -alkenyl, C.sub.2 --C.sub.6 -haloalkenyl, C.sub.3 --C.sub.6 -alkynyl, C.sub.3 --C.sub.6 -haloalkynyl, (C.sub.3 --C.sub.6 -cycloalkyl)methyl, or is benzyl which may be partially or fully halogenated and/or carry one to three of the following radicals: cyano, C.sub.1 --C.sub.4 -alkyl, C.sub.1 --C.sub.4 -haloalkyl, C.sub.1 --C.sub.4 -alkoxy, C.sub.1 --C.sub.4 -haloalkoxy and C.sub.1 --C.sub.4 -alkylthio;
and
c) a dinitroaniline of the formula III ##STR6##
in a synergistically active amount.
Moreover, the invention relates to methods of controlling harmful fungi with mixtures of the compounds I and/or II and III and to the use of the compounds I and/or II and the compound III for the preparation of such mixtures.
The compounds of the formula I, their preparation and their action against harmful fungi have been disclosed in the literature (WO-A 96/01,256 and WO-A 96/01,258).
Compounds of the formula II, their preparation and their action against harmful fungi have been described in WO-A 95/21,153, WO-A 95/21,154 and DE-A 195 28651.0.
The compound III (CAS RN: 79622-59-6, common name: fluazinam;), its preparation and its action against harmful fungi have also been disclosed.
It was an object of the present inventions to provide mixtures which have an improved activity against harmful fungi combined with a reduced total amount of active ingredients applied (synergistic mixtures) with a view to reducing the rates of application and to improving the spectrum of action of the known compounds.
Accordingly, we have found that this object is achieved by the mixture defined at the outset. Moreover, we have found that better control of the harmful fungi is possible by applying the compounds I and/or II and the compound III simultaneously together or separately or by applying the compounds I and/or II and the compound III in succession than when the individual compounds are used.
The present invention covers binary mixtures of the mixtures I and III or II and III and also ternary mixtures of I, II and III.
In particular, the formula I represents carbamates in which the combination of the substituents corresponds to one line of the table which follows:


TABLE 1 ______________________________________ No. T R.sub.n ______________________________________ I.1 N 2-F I.2 N 3-F I.3 N 4-F I.4 N 2-Cl I.5 N 3-Cl I.6 N 4-Cl I.7 N 2-Br I.8 N 3-Br I.9 N 4-Br I.10 N 2-CH.sub.3 I.11 N 3-CH.sub.3 I.12 N 4-CH.sub.3 I.13 N 2-CH.sub.2 CH.sub.3 I.14 N 3-CH.sub.2 CH.sub.3 I.15 N 4-CH.sub.2 CH.sub.3 I.16 N 2-CH(CH.sub.3).sub.2 I.17 N 3-CH(CH.sub.3).sub.2 I.18 N 4-CH(CH.sub.3).sub.2 I.19 N 2-CF.sub.3 I.20 N 3-CF.sub.3 I.21 N 4-CF.sub.3 I.22 N 2,4-F.sub.2 I.23 N 2,4-Cl.sub.2 I.24 N 3,4-Cl.sub.2 I.25 N 2-Cl, 4-CH.sub.3 I.26 N 3-Cl, 4-CH.sub.3 I.27 CH 2-F I.28 CH 3-F I.29 CH 4-F I.30 CH 2-Cl I.31 CH 3-Cl I.32 CH 4-Cl I.33 CH 2-Br I.34 CH 3-Br I.35 CH 4-Br I.36 CH 2-CH.sub.3 I.37 CH 3-CH.sub.3 I.38 CH 4-CH.sub.3 I.39 CH 2-CH.sub.2 CH.sub.3 I.40 CH 3-CH.sub.2 CH.sub.3 I.41 CH 4-CH.sub.2 CH.sub.3 I.42 CH 2-CH(CH.sub.3).sub.2 I.43 CH 3-CH(CH.sub.3).sub.2 I.44 CH 4-CH(CH.sub.3).sub.2 I.45 CH 2-CF.sub.3 I.46 CH 3-CF.sub.3 I.47 CH 4-CF.sub.3 I.48 CH 2,4-F.sub.2 I.49 CH 2,4-Cl.sub.2 I.50 CH 3,4-Cl.sub.2 I.51 CH 2-Cl, 4-CH.sub.3 I.52 CH 3-Cl, 4-CH.sub.3 ______________________________________
The compounds I.12, I.23, I.32 and 1.38 are especially preferred.
The general formula II represents in particular oxime ethers where X is oxygen and Y is CH or X is amino and Y is N.
In addition, preference is given to compo

REFERENCES:
Tomlin; The Pesticide Manual Incorporating The Agrochemicals Handbook, 10.sup.th Ed. (1995) pp. 474-475.
Weeds, vol. 15, Jan. 1967, No. 1, 20-22.

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