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Title: Dothistroma Needle Blight of Pines
Author: Peterson, Glenn W.;
Source: Forest Insect & Disease Leaflet 143. [Broomall, PA:] U.S. Dept. of Agriculture, Forest Service, Northern Area State & Private Forestry
Publication Series: Forest Insect and Disease Leaflet (FIDL)
Description: Dothistroma blight is a devastating foliar disease of a wide range of pine species. The causal fungus, Dothistroma pini Hulbary, infects and kills needles. Premature defoliation caused by this fungus has resulted in complete failure of most ponderosa pine plantings in States east of the Great Plains. In the central and southern Great Plains, D. pini damages Austrian and ponderosa pines in Christmas tree, shelterbelt, and landscape plantings. In California, Oregon, and Washington, the fungus damages plantings of lodgepole and Monterey pines. Infection by D. pini occurs sporadically in natural stands of lodgepole and ponderosa pines in Idaho, Montana, and Washington.
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Peterson, Glenn W. 1982. Dothistroma Needle Blight of Pines. Forest Insect & Disease Leaflet 143. [Broomall, PA:] U.S. Dept. of Agriculture, Forest Service, Northern Area State & Private Forestry
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