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Filtering by: Subject Hops -- Diseases and pests Advisor Vaughan, Edward K. Resource Type Masters Thesis

Black root of radish caused by Aphanomyces raphant Kendrick in Oregon

Creator:

Hosford, Robert Morgan

Resource Type:

Masters Thesis

Full Text:

. The disease relationships, the causal fungus and the effect of soil additives on severity of disease
Interrelationships between fungi associated with the damping-off disease of table beets in Oregon

Creator:

Lin, Shu-yen

Abstract:

Damping-off of table beets is of widespread occurrence in the Willamette Valley of Oregon. Pythium ultimum Trow., Pythium debaryanum Hess., and Rhizoctonia solani Kuhn. were found to be the important pathogenic fungi causing the disease. Trichoderma viride, Penicillium spp. Streptomyces spp. and certain isolates of bacteria, all saprophytic organisms associated...

Resource Type:

Masters Thesis

Full Text:

, sucrose and ca- sein, on the other hand, increased incidence of the disease. Simultaneous infestation