Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Phosphorus containing other than solely as part of an...
Patent
1997-05-06
1999-05-25
Robinson, Allen J.
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Phosphorus containing other than solely as part of an...
424601, 424602, 424604, 424605, 424606, 514142, 514386, A01N 4350, A01N 5718, A01N 5926
Patent
active
059069864
DESCRIPTION:
BRIEF SUMMARY
The subject of the present invention is a fungicidal composition comprising a 2-imidazolin-5-one type compound and a process using the said composition and intended for protecting, curatively or preventively, crops against fungal attacks.
Racemic compounds derived from 2-imidazolin-5-ones with fungicidal action, which make it possible to prevent the growth and development of phytopathogenic fungi capable of attacking crops, are known especially through European Patent Application EP 551048.
It is however always desirable to enhance the activity spectrum and the efficacy of such compounds with fungicidal action.
It is also desirable to have available fungicidal products having a curative activity since in this case it is possible to decrease the number of systematic preventive treatments while ensuring good control of parasites.
It is also highly desirable to have available fungicidal products with lasting enhanced action such that the number of plant-protection treatments necessary for good control of parasites can be spaced out over time.
It is in all cases particularly advantageous to be able to decrease the quantity of chemical products spread in the environment while ensuring effective protection of crops against fungal attacks.
It has now been found that one (or several) of the preceding objectives could be achieved by means of the fungicidal composition according to the present invention.
The subject of the present invention is therefore, firstly, a fungicidal composition comprising a compound A of formula (I): ##STR2## in which: M represents an oxygen or sulphur atom; mancozeb, zineb, metiram-zinc, fosetyl-Al, phosphorous acid itself and its alkali metal or alkaline-earth metal salts, atoms such as fluazinam, fludioxonil, prochloraz, difenoconazole, diniconazole, epoxyconazole, fenbuconazole, flusilazole, flutriafol, hexaconazole, metconazole, tebuconazole, tetraconazole, triticonazole, procymidone, vinchlozolin, oxychloride or copper hydroxide, fenpropimorph, fenpropidin, triadimenol, phenoxymethyl)phenyl!acetamide, ##STR3## in which: R.sup.1 and R.sup.2.sub.1 which are identical or different, are a hydrogen or halogen atom, or an optionally halogenated alkyl radical, and of 1 to 4 carbon atoms.
BRIEF DESCRIPTION OF THE DRAWINGS
FIG. 1 is an ED.sub.90 Tammes isobole plot for preventive control of Phytophthora infestans in tomato plants based on testing of combinations of (4S)-4-methyl-2-methylthio-4-phenyl-1-phenylamino-2-imidazolin-5-one as compound A and fosetyl-Al as compound B;
FIG. 2 is an ED.sub.90 Tammes isobole plot for preventive control of Plasmopara viticola in Chardonnay vine plants based on testing of combinations of (4S)-4-methyl-2-methylthio-4-phenyl-1-phenylamino-2-imidazolin-5-one as compound A and fosetyl-Al as compound B;
FIG. 3 is an ED.sub.90 Tammes isobole plot for preventive control of Phytophthora infestans in tomato plants based on testing of combinations of (4S)-4-methyl-2-methylthio-4-phenyl-1-phenylamino-2-imidazolin-5-one as compound A and cymoxanil as compound B;
FIG. 4 is an ED.sub.90 Tammes isobole plot for preventive control of Phytophthora infestans in tomato plants based on testing of combinations of (4S)-4-methyl-2-methylthio-4-phenyl-1-phenylamino-2-imidazolin-5-one as compound A and N-methyl-N-ethyl-2-(3,4-dimethoxyphenyl)-4-trifluoromethylbenzamide as compound B;
FIG. 5 is an ED.sub.90 Tammes isobole plot for preventive control of Phytophthora infestans in tomato plants based on testing of combinations of (4S)-4-methyl-2-methylthio-4-phenyl-1-phenylamino-2-imidazolin-5-one as compound A and dimethomorph as compound B;
FIG. 6 is an ED.sub.70 Tammes isobole plot for curative control of Plasmopara viticola in Chardonnay vine plants based on testing of combinations of (4S)-4-methyl-2-methylthio-4-phenyl-1-phenylamino-2-imidazolin-5-one as compound A and oxadixyl as compound B;
FIG. 7 is an ED.sub.70 Tammes isobole plot for preventive control of Phytophthora infestans in tomato plants based on testing of combinations of (4S)-4-methyl-2-methylthio-4-phenyl-1-phen
REFERENCES:
patent: Re33989 (1992-07-01), Wenderoth et al.
patent: 4829085 (1989-05-01), Wenderoth et al.
Tammes, Neth. J. Plant Path. 70 (1964), pp. 73-80.
Limpel et al, Proc. NEWCC 16:48-53 (1962).
The Pesticide Manual, ed. Worthington et al, British Crop Protection Council, 9th edition, pp. 71-72, 124-125, 143-144, 145-146, 193-195, 229-231, 257-258, 268-269, 328-330, 351-352, 356-357, 380-382, 382-384, 428-429, 448-449, 474-475, 482-483, 510-511, 514-515, 518-519, 530-532, 562-563, 603-604, 635-636, 637-638, 660-661, 669-670, 689-690, 755-756, 832-833, 834-835, 942-943, 965-966, 1001-1003, 1019-1020, 1033-1034, 1041-1042 and 1048-1050, (1991).
Index Phytosanitaire, Association de Coordination Technique Agricole, 30th edition, 1994, pp. 156, 158.
Rhone Poulenc Agrochimie
Robinson Allen J.
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