Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...
Patent
1998-10-08
2000-09-26
Robinson, Allen J.
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Having -c-, wherein x is chalcogen, bonded directly to...
514539, 514619, A01N 3712, A01N 3718, A01N 3744, A01N 4364
Patent
active
061243353
DESCRIPTION:
BRIEF SUMMARY
This application is a 371 of PCT/EP97/01686, filed Apr. 4, 1997.
Description
The present invention relates to a fungicidal mixture which comprises an oxime ether carboxylate of the formula I ##STR4## and an oxime ether carboxamide of the formula II, ##STR5## and also an azole of the formula III ##STR6## in a synergistically active amount.
Moreover, the invention relates to methods of controlling harmful fungi using mixtures of the compounds I, II and III and to the use of the compound I, II and III for the preparation of such mixtures.
The compounds of the formulae I and II, their preparation and their action against harmful fungi are disclosed in the literature (EP-A 253 213, EP-A 398 692, EP-A 477 631).
Also disclosed is the compound of the formula III, its preparation and its use as fungicide (proposed tradename: Epoxiconazole; EP-A 196 038).
It was an object of the present invention to provide mixtures which have an improved action 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.
We have found that this object is achieved by the mixtures defined at the outset. Moreover, we have found that better control of the harmful fungi is possible by applying the compounds I, II and III simultaneously together or separately or when applying the compounds I, II and III in succession than when the individual compounds are used.
In relation to the C=N double bond, the compounds of the formulas I and II can be present in the E or the Z configuration (in relation to the group carboxylic acid function). Accordingly, they can be used in the mixture according to the invention in each case either in the form of the pure E or Z isomer or else in the form of an E/Z isomer mixture. The E/Z isomer mixture or the E isomer is preferably used, the E isomer being especially preferred.
When providing the mixtures, it is preferred to employ the pure active ingredients I, II and III, which can be admixed with other active ingredients against harmful fungi or other pests such as insects, arachnids or nematodes, or else herbidical or growth-regulating active ingredients or fertilizers, as required.
The mixtures of the compounds I, II and III, or the simultaneous use of the compounds I, II and III together or separately are distinguished by an outstanding activity against a broad spectrum of phytopathogenic fungi, in particular from the classes of the Ascomycetes, Deuteromycetes, Basidiomycetes and Phycomycetes. Some of them act systemically and can there also be employed as foliar- and soil-acting herbicides.
They are especially important for controlling a large number of fungi in a variety of crop plants such as cotton, vegetable species (e.g. cucumbers, beans and cucurbits), barley, grass, oats, coffee, maize, fruit species, rice, rye, soybeans, grapevine, wheat, ornamentals, sugar cane, and a variety of seeds.
They are particularly suitable for controlling the following phytopathogenic fungi: Erysiphe graminis (powdery mildew) on cereals, Erysiphe cichoracearum and Sphaerotheca fuliginea on curcubits, Podosphaera leucotricha on apples, Puccinia species on cereals, Rhizoctonia species on cotton, rice and lawns, Ustilago species on cereals and sugar cane, Venturia inaequalis (scab) on apples, Helminthosporium species on cereals, Septoria nodorum on wheat, Botrytis cinera (gray mold) on strawberries, vegetables, organamental vegetables and grapevines, Cercospora arachidicola on peanuts, Pseudocercosporella herpotrichoides on wheat and barley, Pyricularia oryzae on rice, Phytophthora infestans on potatoes and tomatoes, Plasmopara viticola on grapevines, Pseudoperonospora species on hops and cucumbers, Alternaria species on vegetables and fruit, and Fusarium and Verticillium species.
Furthermore, they can be used in the protection of materials (e.g. the protection of wood), for example against Paecilomyces variotii.
The compounds I, II and III can be applied sim
Ammermann Eberhard
Lorenz Gisela
Saur Reinhold
Schelberger Klaus
Strathmann Siegfried
BASF - Aktiengesellschaft
Robinson Allen J.
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