Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...
Patent
1998-10-13
2000-10-10
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, A01N 4364, A01N 4378
Patent
active
061302368
DESCRIPTION:
BRIEF SUMMARY
The present invention relates to novel crop-protecting active ingredient mixtures having synergistically enhanced action, comprising at least two active ingredient components together with a suitable carrier, wherein component I is zole ("propiconazole") (ref: Ch. R. Worthing (ed.) The Pesticide Manual, 9th edition, 1991, page 724) R. Worthing (ed.):
The Pesticide Manual, 9th edition, 1991, page 846), or in each case a salt or metal complex thereof.
Surprisingly, it has now been found that the mixtures of components I and II according to the invention have, in the prevention and control of plant diseases, not only an additive action but a distinct synergistically enhanced action.
Advantageous mixing ratios of the two active ingredients are I:II=from 30:1 to 1:30, from 1 0:1 to 1:10, preferably I:II=from 3:1 to 1:3 and from 1:1 to 1:3.
The present invention relates also to a method of protecting plants from plant diseases, especially fungal infestation, which comprises treating the plants, parts of plants or their surroundings with a component I and a component II, in any desired sequence or simultaneously.
The active ingredient mixtures I+II according to the invention have very advantageous properties for protecting plants against disease infestation. The active ingredient mixtures in question can be used to inhibit or destroy the micro-organisms that occur on plants or on parts of plants (the fruit, blossom, leaves, stems, tubers or roots) of different crops of useful plants, while at the same time parts of plants that grow later are also protected against such microorganisms. They can also be used as dressings in the treatment of plant propagation material, especially seed (fruit, tubers, grains) and plant cuttings (e.g. rice), to provide protection against fungus infections as well as against phytopathogenic fungi that occur in the soil. The active ingredient mixtures according to the invention are distinguished by the fact that they are well tolerated by plants and are environmentally friendly.
The active ingredient mixtures are effective against phytopathogenic fungi belonging to the following classes: Ascomycetes (e.g. Venturia, Podosphaera, Erysiphe, Monilinia, Mycosphaerella, Uncinula); Basidiomycetes (e.g. the genus Hemileia, Rhizoctonia, Puccinia); Fungi imperfecti (e.g. Botrytis, Helminthosporium, Rhynchosporium, Fusarium, Septoria, Cercospora, Altemaria, Pyricularia and Pseudocercosporella herpotrichoides); and Oomycetes (e.g. Phytophthora, Peronospora, Bremia, Pythium, Plasmopara).
Target crops for the areas of indication disclosed herein comprise within the scope of this invention e.g. the following species of plants: cereals (wheat, barley, rye, oats, rice, sorghum and related crops); beet (sugar beet and fodder beet); pomes, stone fruit and soft fruit (apples, pears, plums, peaches, almonds, cherries, strawberries, raspberries and blackberries); leguminous plants (beans, lentils, peas, soybeans); oil plants (rape, mustard, poppy, olives, sunflowers, coconut, castor oil plants, cocoa beans, groundnuts); cucumber plants (marrows, cucumbers, melons); fibre plants (cotton, flax, hemp, jute); citrus fruit (oranges, lemons, grapefruit, mandarins); vegetables (spinach, lettuce, asparagus, cabbages, carrots, onions, tomatoes, potatoes, paprika); lauraceae (avocados, cinnamon, camphor); or plants such as maize, tobacco, nuts, coffee, sugar cane, tea, vines, hops, bananas and natural rubber plants, as well as ornamentals (flowers, shrubs, broad-leaved trees and evergreens, such as conifers). This list does not represent any limitation.
The active ingredient mixtures according to the invention are especially advantageous for the treatment of rice against Pyricularia and Rhizoctonia and also Helminthosporium.
The mixtures of compounds of formulae I and II are normally used in the form of compositions. The compounds of formulae I and II can be applied to the area or plant to be treated either simultaneously or in succession on the same day, if desired together with further carriers, surfactants or other
REFERENCES:
Tomlin, The Pesticide Manual Incorporating the Agrochemicals Handbook, 10.sup.th Ed. (1995) pp. 1017 & 1018.
Chemical Patents Index, Documentation Abstracts Journal, No. 94-299637, Nov. 16, 1994.
Database World Patent Index Abstr. No. 77-91045y. (1977).
Woloshuk, et al., "The Effect of Three Fungicides, Specific for the Control of Rice Blast Disease, on the Growth and Melanin Biosynthesis by Pyricularia oryzae Cav.," Pesticide Science, vol. 12, No. 1, pp. 86-90 (1981).
Knauf-Beiter Gertrude
Speich Jurg
Morris Michael P.
Novartis Finance Corporation
Robinson Allen J.
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