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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:: Mitigate the Risk of Artificially Disseminating Phytophthora ramorum Within the Global Trade of Timber

Comparative epidemiology of Phytophthora diseases of Rhododendron

Creator:: Taylor, Clare Rebecca
Abstract:: Rhododendron species are host to many Phytophthora species and are an important crop in the nursery industry. The foliar epidemiology of twelve Phytophthora diseases on Rhododendron was studied in field and growth chamber experiments on two Rhododendron cultivars. The relative aggressiveness of Phytophthora spp. was assessed using disease incidence, severity,...
Resource Type:: Masters Thesis
Full Text:: . The relative aggressiveness of Phytophthora spp. was assessed using disease incidence, severity

Sudden oak death, Phytophthora ramorum

Creator:: Shaw, David Carl, 1955- and Oregon State University. Extension Service
Abstract:: Sudden Oak Death (SOD) is a plant disease caused by the water mold Phytophthora ramorum. This organism causes disease in more than 100 species of trees, shrubs, herbs, and ferns.
Resource Type:: Technical Report
Full Text:: ? Sudden Oak Death (SOD) is a plant disease caused by the water mold Phytophthora ramorum. This organism

Phytophthora ramorum : a guide for Oregon nurseries

Creator:: Oregon State University. Extension Service, Parke, Jennifer Lee, Pscheidt, Jay William, and Linderman, R. G.
Abstract:: A newly described funguslike organism named Phytophthora ramorum was discovered in 1993 to cause leaf blight, stem canker, and tip dieback on nursery-grown rhododendrons and viburnums in Germany and the Netherlands. At about the same time, many tanoaks (Lithocarpus densiflorus) and oaks (Quercus sp.) in the San Francisco Bay Area...
Resource Type:: Technical Report
Full Text:: this “sudden oak death” was also Phytophthora ramorum. In 2001, the disease was detected in forest

Stop the spread of sudden oak death

Creator:: Shaw, David Carl, 1955-, Kanaskie, Alan, and Oregon State University. Extension Service
Abstract:: Alerts people who visit, live, or work in certain areas of Oregon and California about a serious plant disease called Sudden Oak Death, and asks them to take steps to prevent spreading the disease. Gives action steps, shows disease symptoms on various host plants, and gives numerous sources for more...
Resource Type:: Technical Report
Full Text:: the Spread of Sudden Oak Death A serious disease threatens Oregon’s forests and its nursery

Stop the spread of sudden oak death

Creator:: Goheen, Ellen Michaels, Shaw, David Carl, 1955-, and Oregon State University. Extension Service
Abstract:: Alerts people who visit, live, or work in certain areas of California and Oregon about a serious plant disease called Sudden Oak Death, and asks them to take steps to prevent spreading the disease. Gives action steps, shows disease symptoms on various host plants, and gives numerous sources for more...
Resource Type:: Technical Report
Full Text:: serious disease threatens Oregon’s forests and its nursery industry. Here’s how you can help to

Stop the spread of sudden oak death

Creator:: Goheen, Ellen Michaels, Shaw, David Carl, 1955-, and Oregon State University. Extension Service
Abstract:: Published November 2009. A more recent revision exists. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Resource Type:: Technical Report
Full Text:: serious disease threatens Oregon’s forests and its nursery industry. Here’s how you can help to

The epidemiology of sudden oak death in Oregon forests

Creator:: Peterson, Ebba K.
Abstract:: The phytopathogen Phytophthora ramorum (Werres, DeCock & Man in't Veld), causal agent of Sudden Oak Death (SOD) of oaks (Quercus spp.) and tanoaks (Notholithocarpus densiflorus syn. Lithocarpus densiflorus), is established in coastal forests of the western United States. Since the discovery of SOD in the Douglas-fir / tanoak forests of...
Resource Type:: Dissertation
Full Text:: : Everett M. Hansen The phytopathogen Phytophthora ramorum (Werres, DeCock & Man in’t Veld), causal

Viability and infective potential of Phytophthora pini zoospores in a recirculating irrigation system

Creator:: Shay, Sarah D.
Abstract:: Phytophthora pini Leonian, recently re-established from P. citricola I, is a pathogen with a wide range of forest and nursery hosts. It causes foliar infections in horticultural nurseries in Oregon, where recirculating irrigation systems are common. Increased use of recirculating irrigation systems may contribute to disease caused by waterborne plant...
Resource Type:: Masters Thesis
Full Text:: utilized to investigate the relationship between Phytophthora pini zoospore inoculum dose and disease on

The physiology and pathology of Phytophthora lateralis on native Chamaecyparis lawsoniana

Creator:: Trione, Edward John
Resource Type:: Dissertation
Full Text:: tAWSoNfANA INTRODUCTION In 1952, the serious root disease of Chamaecxparis caused by Phytophthora

ScholarsArchive@OSU

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

Comparative epidemiology of Phytophthora diseases of Rhododendron

Sudden oak death, Phytophthora ramorum

Phytophthora ramorum : a guide for Oregon nurseries

Stop the spread of sudden oak death

Stop the spread of sudden oak death

Stop the spread of sudden oak death

The epidemiology of sudden oak death in Oregon forests

Viability and infective potential of Phytophthora pini zoospores in a recirculating irrigation system

The physiology and pathology of Phytophthora lateralis on native Chamaecyparis lawsoniana

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