Fungicidal mixtures comprising R-metalaxyl

Details Fungicidal mixtures comprising R-metalaxyl Fungicidal mixtures comprising R-metalaxyl

2006-12-19

2006-12-19

Davis, Ruth A (Department: 1651)

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Biocides; animal or insect repellents or attractants

C424S725000, C424S780000, C435S243000

Reexamination Certificate

active

07150877

ABSTRACT:
The present invention relates to novel fungicidal two-component compositions based on metalaxyl having an R-enantiomer content of more than 70% by weight as one essential component and a second fungicidal component, for the treatment of phytopathogenic diseases of crop plants, especially phytopathogenic fungi, and to a method of combating phytopathogenic diseases on crop plants. The metalaxyl component is called active ingredient I.The following fungicides may be used as the second component II of the mixture:either a compound IIAN-(3′-(1′-chloro-3-methyl 2′-oxopentan))-3,5-dichloro-4-methylbenzamide (EP-600629); ora compound IIB (EP-253213)methyl (E)-2-methoxyimino-[2-(o-tolyloxymethyl)phenyl]acetate; ora (S)-valinamide of formula IIC (EP-472996)wherein R4is isopropyl, andR5is 4-methylphenyl, and wherein the asymmetric center is preferably (R); ora compound IID (EP-551048)(S)-1-anilino-4-methyl-2-methylthio-4-phenylimidazolin-5-one; ora compound IIE, thePseudomonas fluoresensstrain, ATCC accession No. 55169 (U.S. Pat. No. 5,348,742)is particulary effective in combating or preventing fungal diseases of crop plants. These combinations exhibit synergistic fungicidal activity.

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Phytophthora infestans.

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