Imperial Chemical Industries Limited

Anthony M Skidmore

Paul A Worthington

Margaret C Shephard

William G Rathmell

Brian C Baldwin

Compounds of formula: ##STR1## and isomers thereof, wherein R.sup.1 and R.sup.2 are alkyl, cycloalkyl or phenyl, Y is .dbd.N-- or .dbd.CH-- and one of Z.sup.1 and Z.sup.2 is carbonyl (or a functional derivative thereof) and the other is CHOH, and esters, ethers, salts and metal complexes thereof, have fungicidal, plant growth regulating and herbicidal activity.

Heterocyclic triazole compounds, processes for their preparation,

Anti-fungal compositions for combating plant and seed fungi comprise (a) a triazole derivative of formula: ##STR1## or a salt, or isomer, or metal complex thereof where R is--COX, --CH(OH)X, or --C(R.sup.3) (OH)X where X is iso-propyl or tertiary-butyl or phenyl optionally substituted with halogen and R.sup.3 is C.sub.1 to C.sub.4 alkyl; R.sup.1 is H, OH or C.sub.1 to C.sub.4 alkyl; R.sup.2 is phenyl optionally substituted with halogen, NO.sub.2 or halo-alkyl; and (b) gibberellic acid, or other gibberellin.

Growing community of inventors

Wokingham, United Kingdom

Anthony M Skidmore