The present invention relates to active compound combinations in particular within a fungicide composition which comprises (A) 2 6 dichloro N [3 chloro 5 (trifluoromethyl) 2 pyridylmethyl]benzamide (CAS No 239110 15 7 common name fluopicolide) of formula (I) and a further fungicidally active compound (B). Moreover the invention relates to a method for curatively or preventively combating undesirable microorganisms of plants or crops to the use of a combination according to the invention for the treatment of seed to a method for protecting a seed and not at least to the treated seed.