Microbiocidal picolinamide derivatives

A compound of formula (I):

• wherein,
• R1 is C1-C6alkyl or C1-C6haloalkyl;
• R2 is hydroxy, C2-C6acyloxy, C2-C6haloacyloxy, C1-C6alkoxyC1-C6alkoxy, C1-C6haloalkoxyC1-C6alkoxy, C1-C6alkoxyC1-C6haloalkoxy, C2-C6acyloxyC1-C6alkoxy, C2-C6haloacyloxyC1-C6alkoxy or C2-C6acyloxyC1-C6haloalkoxy;
• R3 is hydrogen, C1-C6alkoxy or C3-C8cycloalkyl;
• R4 and R5 are each independently C1-C6alkyl, C3-C8cycloalkyl or C1-C6haloalkyl;
• R6, R9 and R10 are each independently hydrogen, halogen or C1-C6alkyl;
• R7 and R8 are each independently hydrogen, aryl, heteroaryl, arylC1-C3alkyl, heteroarylC1-C3alkyl, aryloxy, or heteroaryloxy, wherein the heteroaryl moiety is a 5- or 6-membered aromatic ring which comprises 1, 2, 3 or 4 heteroatoms individually selected from N, O and S, and wherein the aryl and heteroaryl moieties are each optionally substituted by 1, 2 or 3 substituents, which may be the same or different, selected from R11;
• R11 is halogen, cyano, C1-C6alkyl, C3-C6cycloalkyl, C1-C6haloalkyl, C1-C6alkoxy, C1-C6alkoxyC1-C6alkyl, C1-C4haloalkoxy or C1-C6alkylcarbonyl;
• or a salt or an N-oxide thereof.