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Rhododendron and Azalea diseases

Creator:: Oregon State University. Extension Service, Maloy, Otis C., and Davison, Arlen D. (Arlen Durant)
Abstract:: Published December 1975. 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:: University, the U. S. Department of Agriculture, and Oregon counties. CEA 4 31 Leaf gall This disease

Phenology, Host-Plant Resistance, and Biological Control of Stephanitis pyrioides in Oregon

Creator:: Flores, Salvador M.
Abstract:: The azalea lace bug (Stephanitis pyrioides Scott) is a recently detected invasive pest to the Pacific Northwest and has become a major concern in Oregon. It feeds on azaleas as well as rhododendrons causing stippling on the top side of leaves. The damage is aesthetically displeasing and affects plant vigor...
Resource Type:: Masters Thesis
Full Text:: . Title: Phenology, Host-Plant Resistance, and Biological Control of Stephanitis pyrioides in Oregon

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:: , Rhododendron, Viburnum, and Camellia. Plant Disease 88:87-87. 48. Prospero S., Hansen E.M., Grünwald N.J

Chinche de encaje de la azalea : una nueva plaga de las azaleas y los rododendros

Creator:: Rosetta, Robin, Santamaria, Luisa, and Oregon State University. Extension Service
Abstract:: La chinche de encaje (Stephanitis pyrioides) de la azalea, también conocida como “azalea lace bug” en ingles, es una nueva plaga que causa daños considerables en las azaleas y los rododendros. En esta publicación hay información sobre ciclo de vida del insecto, cómo el daño se caracteriza, monitoreo y control.
Resource Type:: Technical Report
Full Text:: , North Willamette Research and Extension Center, Universidad Estatal de Oregon (Oregon State

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:: disease is a serious threat to nursery production centers in Oregon and beyond, although the focus of

Pathways of infection of Phytophthora ramorum in rhododendron

Creator:: Lewis, Carrie D.
Abstract:: Phytophthora ramorum, a plant pathogen, is the cause of sudden oak death and ramorum blight and shoot die-back. It has a wide host range including many native forest species and common nursery plants. The lack of knowledge regarding infection biology of P. ramorum limits our understanding of its ecology and...
Resource Type:: Masters Thesis

Blossom-end rot of tomatoes [1974]

Creator:: Oregon State University. Extension Service, Duncan, Andrew A., and MacSwan, Iain C.
Abstract:: Published April 1974. 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:: enlarging. This is a physiologi- cal disease which results from imbalances in water and plant nutrients. It

Blossom-end rot of tomatoes [1968]

Creator:: Oregon State University. Extension Service, Duncan, Andrew A., and MacSwan, Iain C.
Abstract:: Published March 1968. 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:: , Extension Vegetable Production Specialist, and lAIN C. MACSWAN, Extension Plant Pathologist Oregon State

The strawberry crown moth : a pest of strawberries and caneberries

Creator:: Oregon State University. Extension Service, Fisher, Glenn C., and Sheets, W. A. (Willis Arden)
Abstract:: Published November 1982. 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:: (Biosduval), is a serious pest of strawberries, raspberries, blackberries, and loganberries in Oregon. This

Blossom-end rot of tomatoes [1979]

Creator:: MacSwan, I. C. and Oregon State University. Extension Service
Abstract:: Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Resource Type:: Technical Report
Full Text:: physiological disease resulting from imbalances in water and plant nutrients. It is not caused by fungi or

ScholarsArchive@OSU

Rhododendron and Azalea diseases

Phenology, Host-Plant Resistance, and Biological Control of Stephanitis pyrioides in Oregon

Comparative epidemiology of Phytophthora diseases of Rhododendron

Chinche de encaje de la azalea : una nueva plaga de las azaleas y los rododendros

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

Pathways of infection of Phytophthora ramorum in rhododendron

Blossom-end rot of tomatoes [1974]

Blossom-end rot of tomatoes [1968]

The strawberry crown moth : a pest of strawberries and caneberries

Blossom-end rot of tomatoes [1979]

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