Verticillium (anamorphic genus)

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Verticillium dahliae - A) conidiophore, B) phialides and conidia, C, D) microsclerotia - scale bars = 10 μm (click on image to enlarge it)
Author(s): A. Giraldo and P.W. Crous
Source: Studies in Mycology (2019), 92, p. 278

Verticillium Nees 1817

This is a small genus of soil-borne, plant pathogenic fungi, causing important wilt diseases in various crops. Infections start at the roots, the vascular system is attacked and plant death often follows. Verticillium species reproduce only asexually, no sexual state is known.

Before 2010, the genus contained many species with narrow, spore-forming cells arranged in whorls and arising from a main axis. However, the genus has been re-defined based on the DNA structure of its members and Verticillium dahliae has been re-assigned as a new type species. Closely related genera are for example Lecanicillium (e.g. see the entomopathogenic Lecanicillium species) and Pochonia.

Type species: Verticillium dahliae

For taxonomic reviews see Inderbitzin et al. (2011) and Giraldo & Crous (2019).

For antagonistic Verticillium species and strains see Verticillium (antagonists).


Currently, the following species have been entered into the system: