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Microclimate environmental parameters indexed for Sudden Oak death in Georgia and South CarolinaAuthor(s): Pauline Spaine; William J. Otrosina; Stanley J. Zarnoch; Sharon V. Lumpkin
Source: In: Frankel, Susan J.; Kliejunas, John T.; Palmieri, Katharine M., tech. coords. 2008. Proceedings of the sudden oak death third science symposium. Gen. Tech. Rep. PSW-GTR-214. Albany, CA: U.S. Department of Agriculture, Forest Service, Pacific Southwest Research Station. pp. 455-460
Publication Series: General Technical Report (GTR)
Station: Pacific Southwest Research Station
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DescriptionWe monitored Ericaceous habitat in Georgia and South Carolina for temperature, dew point and humidity ranges throughout a two year period. Temperature and humidity data were used to characterize their range in Georgia and South Carolina where potential SOD susceptible hosts occur. This data suggests risk for SOD development may be more widespread in southeastern forest microclimates than current risk maps indicate. A sudden oak death infection risk index based on laboratory infection parameters for Phytophthora ramorum was developed for use in the field. In addition, we monitored streams and bleeding bark cankers from different ecotypes throughout Georgia using various methods for detection of Phytophthora propagules. Samples cultured from bleeding cankers on oaks yielded a broad assortment of organisms. Most often found associated with these cankers are the fungal genera Mortierella and the potential antagonist Trichoderma.
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CitationSpaine, Pauline; Otrosina, William J.; Zarnoch, Stanley J.; Lumpkin, Sharon V. 2008. Microclimate environmental parameters indexed for Sudden Oak death in Georgia and South Carolina. In: Frankel, Susan J.; Kliejunas, John T.; Palmieri, Katharine M., tech. coords. 2008. Proceedings of the sudden oak death third science symposium. Gen. Tech. Rep. PSW-GTR-214. Albany, CA: U.S. Department of Agriculture, Forest Service, Pacific Southwest Research Station. pp. 455-460
KeywordsTemperature, humidity, leaf wetness
- Phytophthora ramorum canker (Sudden Oak Death) disease risk and progress in coast live oak, 2000-2012
- Chemical ecology of sudden oak death/ambrosia beetle interactions
- New relationships among the sudden oak death pathogen, bark and ambrosia beetles, and fungi colonizing coast live oaks
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