Cytospora is a genus of ascomycete fungi. The genus was first described in 1818 by Christian Gottfried Ehrenberg.[1][2] Cytospora species are known as plant pathogens.
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| Dead spruces that have succumbed to Cytospora canker found in McIntyre Wild Area, Loyalsock State Forest, Lycoming County, Pennsylvania. Resin oozes from the cankers, solidifying into a thick, whitish mass resembling snow or hoarfrost. | |
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| Genus: | Cytospora |
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Pathology
editCytospora canker was observed by G. B. Ouellette[3] in all the plantations of white and Norway spruces examined in the Province of Quebec, as well as in some natural stands of indigenous spruce. Disease incidence was particularly high in the Grand-Mère and Saint-Lazare plantations where it had been present since at least 1943 and 1955, respectively. Periods favourable to infection had occurred at fairly regular intervals, and the aggressiveness of canker development varied year by year. Rainfall, temperature, and disease intensity were not clearly correlated.
References
edit- ^ "Index Fungorum - Names Record: Cytospora". www.indexfungorum.org. Retrieved 2022-12-20.
- ^ Ehrenberg, C.G. (1818),Sylvae mycologicae Berolinenses, [540], as Cytispora
- ^ Ouellette, G.B.; Conway, J.M.; Bard, G. 1965. Fréquence et intensité du chancre cytosporéen dans les plantations d’épinette du Québec. For. Chron. 41(4):444–453.
External links
edit- Index Fungorum
- "Global Biodiversity Information Facility". Archived from the original on August 1, 2013. Retrieved July 30, 2010.
Cytospora in GBIF
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