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Filtering by: Committee Member Johnson, Sherri L. Degree Field Botany and Plant Pathology

Ascospore viability and dispersal from pruned branches infected with Anisogramma anomala

Creator:

Heckert, Stephanie

Abstract:

Viability and dispersal of ascospores of Anisogramma anomala, the cause of eastern filbert blight (EFB) on European hazelnut, from diseased branches pruned from trees were measured. In each of two years, branches bearing stromata of A. anomala were cut in mid-December and compared to branches cut near budbreak in March,...

Resource Type:

Masters Thesis

Full Text:

in this research. A special thanks to Dr. Ken Johnson and Dr. Jennifer Parke for their time and
Understanding Host-Pathogen Interactions in the Sphaerulina musiva-Populus Pathosystem

Creator:

Dunnell, Kelsey Liann

Abstract:

Host-parasite interactions between the pathogen, Sphaerulina musiva, and its host, Populus spp., were examined in a series of studies. In the first study, variation in resistance of Populus nigra from 7 locations in Europe was differentiated based on the parameters cankers per cm and disease severity score. The analysis evaluated...

Resource Type:

Dissertation

Full Text:

my committee members at Oregon State University: Dr. Thomas Wolpert, Dr. Kenneth Johnson, Dr
Interrelationship of wheat cultivar mixtures, stripe rust and yield

Creator:

Akanda, Shamsul I.

Resource Type:

Dissertation

Full Text:

special note of thanks goes to my committee members Kenneth B. Johnson, Mary L. Powelson, Warren E