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Filtering by: Subject Swiss needle cast -- Coast Ranges Academic Affiliation Forest Engineering Resources and Management

The Effects of Seed Source and Planting Environment on Douglas-fir (Pseudotsuga menziesii) Foliage Diseases

Creator:

Wilhelmi, Nicholas

Abstract:

Douglas-fir (Pseudotsuga menziesii) is a commercially and ecologically important tree species native to western North America. The foliar pathogens Phaeocryptopus gaeumannii, the causal agent of Swiss Needle Cast, and Rhabdocline species, the causal agents of Rhabdocline needle cast, are two important pathogens specific to Douglas-fir. These pathogens are highly influenced...

Resource Type:

Masters Thesis

Full Text:

which was used as a surrogate for Swiss needle cast impacts in this analysis. The transfers of