The present invention relates to fungicide N-(2-pyridylpropyl)carboxamide derivative and its oxa, aza and thia analogs of formula (I), their process of preparation and intermediate compound for their preparation, their use as fungicides, particularly in the form of fungicidal compositions and methods for the control of phytopathogenic fungi of plants using these compounds or their compositions.wherein A, T, W, X, n and Z3 to Z7 represent various substituents.