Abstract: The present invention relates to hydroximoyl-tetrazole derivatives of formula (I) wherein T represent a tetrazolyl substituent, A represents a carbo- or heterocycle, L1 and L2 represent various linking groups and Q represents a 5-membered heterocycle, their process of preparation, their use as fungicide active agents, particularly in the form of fungicide compositions, and methods for the control of phytopathogenic fungi, notably of plants, using these compounds or compositions.