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A severe epidemic of Marssonina leaf blight on quaking aspen in Northern UtahAuthor(s): Roy O. Harniss; David L. Nelson
Source: Research Note INT-339. Ogden, UT: U.S. Department of Agriculture, Forest Service, Intermountain Research Station. 6 p.
Publication Series: Research Note (RN)
Station: Intermountain Forest Experiment Station
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DescriptionThe extent of Marssonina leaf blight (Marssonina populi) on quaking aspen (Populus tremuloides) was observed in northern Utah and adjacent States in 1981 aand 1982. Area of the epidemic and symptoms of the disease are described. On 1,000 acres (405 hal) in northern Utah, infection levels were 6 percent slight, 12 percent light, 32 percent moderate, 16 percent moderately heavy, and 34 percent heavy.
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CitationHarniss, Roy O.; Nelson, David L. 1984. A severe epidemic of Marssonina leaf blight on quaking aspen in Northern Utah. Research Note INT-339. Ogden, UT: U.S. Department of Agriculture, Forest Service, Intermountain Research Station. 6 p.
Keywordsaspen leaf blight, Populus tremuloides, epidemiology, symptoms
- Influence of climate on the growth of quaking aspen (Populus tremuloides) in Colorado and southern Wyoming
- Decline of quaking aspen in the Interior West - examples from Utah
- Quaking aspen productivity recovers after repeated prescribed fire.
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