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Dothistroma needle blight
Mycosphaerella pini Rostr.
Taxonomic Rank: Dothideomycetes: Incertae sedis: Mycosphaerellaceae
Synonym(s): Dothistroma needle blight of pine; Dothistroma needle blight on spruce

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Sign; Distinctive red transverse bands in which the fungus forms fruiting bodies.
Robert L. James, USDA Forest Service, Bugwood.org
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Symptoms; A light infection.
Susan K. Hagle, USDA Forest Service, Bugwood.org
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Symptoms; Mycosphaerella needle blight on a ponderosa pine sapling.
Robert L. James, USDA Forest Service, Bugwood.org
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Taxonomic References:

  • Sinclair, W.A., H.F. Lyon and W.T. Johnson. 1987. Diseases of Trees and Shrubs. Cornell University Press. Ithaca, New York. 574 pp.
  • The CABI Bioscience Database of Fungal Names (Funindex). The world database of fungal names (IndexFungorum; aka funindex) contains over 345,000 names of fungi (including yeast, lichens, chromistan fungi, protozoan fungi and fossil forms) at species level and below. It has been derived from a number of published lists including Saccardo’s Sylloge Fungorum (contributed by SBML, USDA), Petrak’s Lists, Saccardo’s Omissions, Lamb’s Index, Zahlbruckner’s Catalogue of Lichens (comprehensive for names at species level only but with an increasing number of names of infraspecific taxa) and CABI’s Index of Fungi.

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