Dothistroma (anamorphic genus)

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Dothistroma septosporum causing "red band" symptoms on pine needles (click on image to enlarge it)
Author(s): Robert L. James, USDA Forest Service
Source: IPM Images

Dothistroma Hulbary, 1941

This genus of fungi contains two plant pathogenic species which cause serious diseases on pine trees. They infect the needles that typically show reddish-brown bands. Infected needles become necrotic, are cast and the diseases can lead to complete defoliation. The fungi are widely distributed and the spores are air-borne and can disperse over long distances. The genus is mainly characterized by the DNA structure of the species.

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