Vinylazoles and their use for controlling fungi

DETAILED DESCRIPTION We claim: 1.
Vinylazoles of the formula ##STR4## where R is alkyl of 1 to 7 carbon atoms, phenyl or halogen-substituted phenyl where the double bond occupies position b and is n-propyl, isopropyl, tert.
-butyl, n-butyl, n-pentyl, n-hexyl, n-heptyl, phenyl or halogen substituted phenyl where the double bond occupies position a, X is hydrogen, halogen, alkyl of 1 to 4 carbon atoms or phenyl, Z is N or CH and n is an integer from 1 to 5, and plant-tolerated acid addition salts and metal complexes thereof.
2.
Vinylazoles of the formula I as defined in claim 1, wherein R is tert.
-butyl and the double bond occupies position a.
3.
Vinylazoles of the formula ##STR5## where R is alkyl of 1 to 7 carbon atoms, phenyl or halogen-substituted phenyl, X is hydrogen, halogen, alkyl of 1 to 4 carbon atoms or phenyl, Z is N or CH and n is an integer from 1 to 5, and the double bond occupies the position b, and plant-tolerated acid addition salts and metal complexes thereof.
4.
Vinylazoles of the formula ##STR6## where R is n-propyl, isopropyl, tert.
-butyl, n-butyl, n-pentyl, n-hexyl or n-heptyl, X is hydrogen, halogen, alkyl of 1 to 4 carbon atoms or phenyl, Z is N or CH and n is an integer from 1 to 5, and the double bond occupies position a, and plant tolerated acid addition salts and metal complexes thereof.
5.
Vinylazoles of the formula I as defined in claim 1, wherein Z is N.
6.
A vinylazole of the Formula I as defined in claim 10 wherein X is 4-Br, Z is N, R is tert.
butyl and the double bond occupies the a position.
7.
1-(2,4-Dichlorophenyl)-4,4-dimethyl-2-[1-(1,2,4-triazolyl)]-pent-1-ene.
8.
1-(4-Chlorophenyl)-4,4-dimethyl-2-[1-(1,2,4-triazolyl)]-pent-1-ene.
9.
Vinylazoles of the formula I, as set forth in claim 4 wherein X.
sub.
n is 2-chloro, 4-bromo, 2,4-dichloro, 4-methyl or 4-phenyl.
10.
Vinylazoles of the formula (I), as set forth in claim 3, wherein R is alkyl of 1 to 7 carbon atoms.
11.
A fungicidal agent containing inert additives and a fungicidally effective amount of a vinylazole of the formula I as defined in claim 1