Abstract

Members of Fusarium oxysporum species complex (FOSC) are economically most important plant pathogenic fungi. Until now, the classification of FOSC members in Iran is not well described. So, the objective of the current research was to study the phylogenetic diversity of FOSC strains recovered from agricultural soils in Iran. A total of 45 isolates belonging to the FOSC were recovered from agricultural soils in Iran. The identification of the members of F. oxysporum f. sp. vasinfectum (Fov) and F. oxysporum f. sp. ciceris (Foc) was confirmed molecularly using Fov-eg-f/Fov-eg-r and Foc0-12f/Foc0-12r primers, respectively. F. redolens isolates were distinguished from other FOSC using Redolens-F/Redolens-R primers. Comparisons of DNA sequence data from a portion of the tef1 gene revealed all isolates belonged to Fov, Foc, F. commune and F. redolens. This is the first in-depth report on molecular identification of FOSC and related species isolated from agricultural soils in Iran.

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