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Filtering by: Creator Hansen, Eric N. Academic Affiliation Botany and Plant Pathology Academic Affiliation Wood Science and Engineering

Phytosanitation of Douglas-fir (Pseudotsuga menziesii) logs to mitigate the risk of artificially disseminating Phytophthora ramorum within the global trade of timber

Creator:

Hulbert, Joseph M.

Abstract:

Phytophthora ramorum is a plant pathogen that was accidentally introduced to the United States. This invasive microorganism has killed over a million trees in California and Oregon, and continues to spread to new areas. Diseased areas have been nationally quarantined to prevent further spread and more than ninety countries include...

Resource Type:

Masters Thesis

Full Text:

Everett M. Hansen Phytophthora ramorum is a plant pathogen that was accidentally introduced to the
Phytophthora ramorum colonizes tanoak xylem and is associated with reduced stem water transport

Creator:

Parke, J. L., Oh, E., Voelker, S., Hansen, E. M., Buckles, G., and Lachenbruch, Barbara

Abstract:

Isolation, detection with diagnostic polymerase chain reaction (PCR), and microscopy demonstrated the presence of Phytophthora ramorum in the sapwood of mature, naturally infected tanoak (Lithocarpus densiflorus) trees. The pathogen was strongly associated with discolored sapwood (P < 0.001), and was recovered or detected from 83% of discolored sapwood tissue samples....

Resource Type:

Article

Full Text:

Associated with Reduced Stem Water Transport J. L. Parke, E. Oh, S. Voelker, E. M. Hansen, G. Buckles, and