Hypocreales (weed pathogens)

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Alternaria zinniae symptoms on zinnia (click on image to enlarge it)
Author(s): John Hartman, University of Kentucky
Source: IPM Images

Hypocreales (weed pathogens)

This is a large order of ascomycete fungi which are mainly defined by their genetic structure. Members (for which sexual stages are known) form perthecia which are often brightly coloured. The group includes many plant pathogenic species, including those which cause diseases on weeds and are of interest as biological control agents.

Please note that this page only deals with weed pathogens, for other groups of Hypocreales see:

The following genera and individual species are currently entered as weed bioagents under this order: