Agricultural/horticultural fungicidal compositions

Details Agricultural/horticultural fungicidal compositions Agricultural/horticultural fungicidal compositions

1998-12-04

2000-12-05

Robinson, Allen J.

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Ester doai

514255, 514269, 514335, 514364, 514415, 514423, 514427, 514452, 514523, 514532, 514538, 514616, 514617, 514619, A01N 3712, A01N 3718, A01N 3744, A01N 4354, A01N 4340

Patent

active

061567965

DESCRIPTION:

BRIEF SUMMARY
FIELD OF THE INVENTION

The present invention is directed to fungicidal compositions, particularly to fungicidal compositions suitable to control powdery mildew disease growing on various agricultural and horticultural crops.
1. Background Art
Benzamidoxine derivatives represented by a general formula [I]: ##STR2## are the compounds which have fungicidal activity and are disclosed in WO 96/19442 Gazette filed by the inventors of the present invention.
Whereas, so-called acrylate fungicides, for example, ICIA 5504, BASF 490, SSF-126, etc. have been known as new type fungicides for agricultural and horizontal use (see EP 477631, EP 253213 and EP 38237 Gazettes).
However, fungicidal compositions comprising a compound represented by a general formula [I] and an acrylate fungicide and capable of providing synergistic activity have not been known yet.
2. Disclosure of the Invention
It is an object of the present invention to lower the effective dose of the compounds known as having fungicidal activity against plant diseases, to improve their activity spectrum as a fungicide, and to provide fungicidal compositions in combination which can work with the active ingredients at a less dose in total and improve the effective control value with providing synergistic activity.
The present invention is directed to fungicidal compositions characterized in that each compositions comprises a benzamidoxime compound A represented by a general formula [I]: ##STR3## wherein R.sup.1 represents optionally-substituted C1-C4 alkyl, optionally-substituted C2-C4 alkenyl or optionally-substituted C2-C4 alkynyl, R.sup.2 represents optionally-substituted phenyl or optionally-substituted heterocycle.
X.sup.1 represents C1-C4 haloalkyl,
X.sup.2, X.sup.3, X.sup.4 and X.sup.5 each independently represent hydrogen, halogeno, C1-C4 alkyl, C1-C4 haloalkyl, C1-C4 alkoxy, C1-C4 haloalkoxy, C1-C4 alkylthio, C1-C4 alkylsulfinyl, C1-C4 alkylsulfonyl, nitro, amino or C1-C4 alkylcarbonylamino.
r.sup.1 and r.sup.2 each independently represent hydrogen, halogeno, C1-C4 alkyl, C1-C4 haloalkyl, C1-C4 alkoxy, C1-C4 alkylthio or amino, or, r.sup.1 and r.sup.2 may get together to form carbonyl, and one or more than 2 compounds selected from a group B consisting of the compounds (a) through (n) as shown below as the active ingredients thereof.
B: ##STR4##
The benzamidoxime compounds to be used in the present invention are the compounds represented by the general formula [I] as described above, and one or more than 2 of the compounds can be used as the active ingredient for the fungicidal compositions specified in the present invention.
Preferable examples for the benzamidoxime compounds represented by a general formula [I] are shown in Table 1.


TABLE 1 ______________________________________ #STR5## r.sub.1, r.sub.2 = H) - No. X.sub.2 X.sub.3 X.sub.4 X.sub.5 R.sub.1 R.sub.2 ______________________________________ 1 H H F F Ph R6## - 2 H H Cl F Ph R7## - 3 H H F Cl Ph R8## - 4 H H Cl Cl Fh R9## - 5 H H F F 2-F--Ph - 6 H H Cl F 2-F--Ph - 7 H H F Cl 2-F--Ph - 8 H H Cl Cl 2-F--Ph - 9 H H F F 2-F-5-Me--Ph - 10 H H Cl F 2-F-5-Me--Ph - 11 H H F Cl 2-F-5-Me--Ph - 12 H H Cl Cl 2-F-5-Me--Ph - 13 H H F F CH.sub.2 CH.sub.2 Cl Ph 14 H H Cl F CH.sub.2 CH.sub.2 Cl Ph 15 H H F Cl CH.sub.2 CH.sub.2 Cl Ph 16 H H Cl Cl CH.sub.2 CH.sub.2 Cl Ph 17 H H F F CH.sub.2 CH.sub.2 Cl 2-F--Ph 18 H H Cl F CH.sub.2 CH.sub.2 Cl 2-F--Ph 19 H H F Cl CH.sub.2 CH.sub.2 Cl 2-F--Ph 20 H H Cl Cl CH.sub.2 CH.sub.2 Cl 2-F--Ph 21 H H F F CH.sub.2 CH.sub.2 Cl 2-F-5-Me--Ph 22 H H Cl F CH.sub.2 CH.sub.2 Cl 2-F-5-Me--Ph 23 H H F Cl CH.sub.2 CH.sub.2 Cl 2-F-5-Me--Ph 24 H H Cl Cl CH.sub.2 CH.sub.2 Cl 2-F-5-Me--Ph ______________________________________
In the present invention, the acrylate fungicides are defined as fungicidal substances which have been developed from natural substances, such as Oudemansin A and Strohilurine A, as a leading compound and contain any of alk

REFERENCES:
patent: 5847005 (1998-12-01), Kasahara et al.
patent: 5942538 (1999-08-01), Kasahara et al.
Tomlin, The Pesticide Manual Incorporation The Agrochemicals Handbook, 10 Edition (1995), p. 579.

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