Biphenylamide heterocyclic derivatives SUBSTITUTION, their preparation and their use as fungicides.

Biphenylamides of general formula (I), and salts (A = (A1), (A2) or (A3); R SUP, 1} = F; R SUP, 2} = H, halogen, alkyl, CF SUB, 3}, alkoxy, thioalkyl; R SUP, 3} = CL, CF SUB, 3}; R SUP, 4} = H, CH SUB, 3}; R SUP, 5} = CL, CH SUB, 3}, CHF SUB, 2}, CF SUB, 3}; R SUP, 6} = CH SUB, 3}, CHF SUB, 2}, CF SUB, 3}) and (I) AGENTS cONTAINING, PRODUCTION (I) and these agents, and the use of both as fungicides.