ANVENDELSE AV VISSE ETEN-DERIVATER SOM ET FUNGICID, PREPARAT SOM OMFATTER SLIKE DERIVATER, OG KJEMISKE FORBINDELSERSOM ER REPRESENTANTER FOR DERIVATENE

A fungicidal composition which comprises a carrier and, as active ingredient, a compound of the general formula (I) Ar R C = CAr R (I) or an N-oxide, salt or metal salt complex thereof, wherein one of Ar and Ar represents an optionally substituted 6 membered heteroaromatic ring containing 1 or 2 nitrogen atoms and the other of Ar and Ar represents an optionally substituted 5 or 6 membered heterocyclic ring having 1 or 2 heteroatoms or an optionally substituted phenyl group; R represents a hydrogen atom or an optionally substituted alkyl group; and R represents a cyano group, a -COOH group or an ester or thioester thereof, or a group wherein each of R and R independently represents a hydrogen atom or an optionally substituted alkyl or phenyl group or R and R together with the interjacent nitrogen atom represent a heterocyclic ring and Y represents a halogen atom. wherein R represents an optionally substituted alkyl or phenyl group, R represents an acyl group derived from a carboxylic acid, and R and R are as defined above for R and R exhibit fungicidal properties.