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Filtering by: Subject Hops -- Diseases and pests Advisor Vaughan, Edward K. Decade 1960-1969

Role of associated fungi in the prevention of gray mold (Botrytis cinerea Pers.) of strawberries

Creator:

Bhatt, Dibya Deo

Resource Type:

Dissertation

Full Text:

have no influence on each other ( "co- existence "). The inci- dence and severity of a disease may
Races of bean rust, Uromyces phaseoli (Pers.) wint. var. phaseoli, in the Willamette Valley

Creator:

Hikida, Hideaki Robert

Resource Type:

Dissertation

Full Text:

the disease in the United States. A few years later Haistead (14, p. 26) and Whetze]. (32, p. 199
Factors affecting the identification of races of Uromyces phaseoli (Pers.) Wint. var. phaseoli

Creator:

Davison, Arlen Durant

Resource Type:

Dissertation

Full Text:

that the optimum day -night temperature for disease development was 27° and 21 °C. This is in
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
Coniothyrium rose canker in Oregon

Creator:

Intrama, Siriphong

Abstract:

An isolate of Coniothyrium obtained from a stem canker on Nocturne rose from the Botany Department Farm, Corvallis, Oregon was studied with respect to morphological and cultural characters, pathogenicity and mineral nutrition. The hyphae of the isolate were smooth, septate and branched. The hyphal cells averaged 16.37 X 3.52 microns....

Resource Type:

Dissertation