Publications
Nitrogen and carbon dynamics of a foliar biotrophic fungal parasite in fertilized Douglas-fir. New Phytologist. 163:139-147.
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2004. .
1987. Persistence of the Swiss Needle Cast Outbreak in Oregon Coastal Douglas-fir, and New Insights from Research and Monitoring. Journal of Forestry. 119(4):407–421.
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2021. Physiological responses of Douglas-fir to climate and forest disturbances as detected by cellulosic carbon and oxygen isotope ratios. Tree Physiology. 42(1):5–25.
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2022. Polymorphic microsatellite markers for the Douglas-fir pathogen Phaeocryptopus gaeumannii, causal agent of Swiss needle cast disease. Molecular Ecology. 7:1125-1128.
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2007. Population structure suggests reproductively isolated lineages of Phaeocryptopus gaeumannii. Mycologia. 98:781-791.
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2006. Predicting effects of climate change on Swiss needle cast disease severity in Pacific Northwest forests. Canadian Journal of Plant Pathology. 30:169-176.
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2008. Predicting Swiss needle cast disease distribution and severity in young Douglas-fir plantations in coastal Oregon. Phytopathology. 93:790-798.
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2003. Predicting the severity of Swiss needle cast on Douglas-fir under current and future climate in New Zealand. Forest Ecology and Management. 260:2232-2240.
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2010. Protection of Douglas-fir Christmas trees from Swiss needle cast in Oregon. American Christmas Tree Journal. 26:31-33.
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1982. Provenance variation for disease resistance in Pseudotsuga menziesii to the Swiss needle cast pathogen, Phaeocryptopus gaeumannii. Canadian Journal of Forest Research. 19
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1989. Pseudothecia of Swiss needle cast fungus, Phaeocryptopus gaeumannii, physically block stomata of Douglas-fir, reducing CO2. New Phytologist. 2000:481-491.
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2000. Quantification of Phaeocryptopus gaeumannii colonization in Douglas-fir needles by ergosterol analysis. Forest Pathology. 31:229-240.
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2001. The ratio of live crown length to sapwood area as a measure of crown sparseness. Forest Science. 48:93-100.
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2002. Regional and annual trends in Douglas-fir foliage retention: Correlations with climatic variables. Forest Ecology and Management. 262:1872-1886.
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2011. Regional patterns of increasing Swiss needle cast impacts on Douglas-fir growth with warming temperatures. Ecology and Evolution. 7:11167–11196.
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2017. The relationship between Swiss needle cast symptom severity and level of Phaeocryptopus gaeumannii colonization in coastal Douglas-fir (Pseudotsuga menziesii var. menziesii). Forest Pathology. 34
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2004. Relationships between Swiss needle cast and ectomycorrhizal fungus diversity. Mycologia. 106:666-675.
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2014. Researchers offer new insights into Swiss needle cast. Western Forester. 45:10.
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2000. Response of branch growth and mortality to silvicultural treatments in coastal Douglas-fir plantations: Implications for predicting tree growth. Forest Ecology and Management. 251:182-194.
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2007. Response of Douglas-fir leaf area index and litterfall dynamics to Swiss needle cast in north coastal Oregon, USA. Annals of Forest Science. 64:121-132.
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2007. Seasonal availability of Phaeocryptopus gaeumannii ascospores and conditions that influence their release. Plant Disease. 68
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1984. Seasonal carbohydrate dynamics and growth in Douglas-fir trees experiencing chronic, fungal-mediated reduction in functional leaf area. Tree Physiology.
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2014. .
1976. Severity of Swiss needle cast in young and mature Douglas-fir forests in western Oregon, USA. Forest Ecology and Management. 442:79-95.
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2019.