What's cookin' with southern rhododendrons?
2014
Krebs, Stephen
Root rot caused by the invasive soil fungus Phytophthora cinnamomi is a major source of mortality in Rhododendron and many other popular ornamental genera (Benson and Broembsen, 2001). The pathogen may also restrict the natural occurrence or horticultural use of Rhododendron species and cultivars in the southern USA. Phytophthora cinnamomi is more problematic in warmer climates because it is susceptible to frost and thrives in warm, wet soils (Brasier, 1996; Marcais et al., 1996). Epidemiologists predict that global warming will increase both the activity and northward migration of the pathogen (Anderson et al., 2004; Bergot et al., 2004).
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