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Studies of yellow rust of Rubus

Creator:: Lund, Walter Thomas
Resource Type:: Masters Thesis
Full Text:: and Distribution of the Disease ............. i Purpose of the Investigation

Rhizoctonia of the potato

Creator:: Corsaut, Jesse Harrison
Resource Type:: Masters Thesis
Full Text:: the disease on sugar beets in 1858 , and on carrots in 1854. Following the report of the disease

Studies of the crinkle disease of strawberry, with special reference to its transmission

Creator:: Vaughan, Edward Kemp
Resource Type:: Masters Thesis
Full Text:: . Geographic Distribution and Econoric Importance 5 III. Symptomz of Crinkle IV. Nature of the Disease

Studies on the bacterial gummosis of stone fruits

Creator:: Van Gundia, Gordon Keller
Resource Type:: Masters Thesis
Full Text:: - Iv. INVESTIGATIOÌ (Continued). 2. A Physiological study of the causal organism of the disease and

Examination of necrotic fleck-diseased Lilium longiflorum

Creator:: Lyons, Alan Robert
Resource Type:: Masters Thesis
Full Text:: antisera and infected lily sap. More information on the necrotic fleck disease on lilies has been

Relation of boron to cherry rosette disease in Oregon, and the possible implication in Oregon, and the possible implication of a virus

Creator:: Bolwyn, Bart
Abstract:: A disease of sweet cherry (Prunus avium L.) known as "cherry rosette" has threatened production of cherries in Oregon. In 1961 this disease was observed in widely separated orchards. Rosette occurred in isolated trees or in spreading patterns, often from identified single trees or from one section of an orchard....
Resource Type:: Dissertation
Full Text:: Relation of boron to cherry rosette disease in Oregon, and

Verticillium wilt of hops : pathogenicity, host range, and temperature relations of the causal agents

Creator:: Zehsazian, Hassan
Abstract:: Verticillium wilt of hops in Oregon, caused by Verticillium dahliae Kleb., was first reported in 1956. Later, V. albo-atrum Reinke & Berth. was also isolated from infected hop plants, and thus both species of the fungus were shown to be the causal agents of the disease in Oregon. The purpose...
Resource Type:: Dissertation
Full Text:: of the disease in Oregon. The purpose of this research was to study temperature rela- tions and

Nature of resistance to Verticillium dahliae Kleb. in strains of peppermint (Mentha piperita L.) developed by irradiation

Creator:: Sherrod, Leslie Lynn, 1940-
Abstract:: Verticillium dahliae Kleb. causes a wilt disease of peppermint. Attempts to control the disease by soil fumigation, crop rotation, flaming of stubble, and deep plowing have met with only limited success. Development of resistant varieties through conventional breeding procedures is difficult because commercial peppermint is male-sterile. Several strains of commercial...
Resource Type:: Dissertation
Full Text:: helps prevent spread and increase of the disease but, again, is not a completely effective control

Production of polygalacturonase and macerating enzymes by Phoma menthae

Creator:: Melouk, Hassan Aly
Abstract:: The fungus Phoma menthae Strasser causes black lesions and cankers on stems and rhizomes of Mentha piperita L. The purpose of this thesis was to: 1) study the production of polygalacturonase (PG) and macerating enzymes (ME) by P. menthae in vivo and in vitro, 2) study the effects of phenolic...
Resource Type:: Dissertation
Full Text:: cankers on stems and rhizomes of peppermint. The disease occurs on both field and greenhouse grown

Epidemiological insights into Armillaria mellea root rot in a managed Ponderosa pine forest

Creator:: Shaw, Charles G. (Charles Gardner) 1948-
Abstract:: Root rot of ponderosa pine caused by Armillaria mellea was studied in a pine forest that had been under management for 30 years in Klickitat County, Washington. Information sources included disease survey, detailed observation and description of specific disease situations, and examination of roots in situ and removed. Roughly circular...
Resource Type:: Dissertation
Full Text:: observation and description of specific disease situations, and examination of roots in situ and removed

ScholarsArchive@OSU

Studies of yellow rust of Rubus

Rhizoctonia of the potato

Studies of the crinkle disease of strawberry, with special reference to its transmission

Studies on the bacterial gummosis of stone fruits

Examination of necrotic fleck-diseased Lilium longiflorum

Relation of boron to cherry rosette disease in Oregon, and the possible implication in Oregon, and the possible implication of a virus

Verticillium wilt of hops : pathogenicity, host range, and temperature relations of the causal agents

Nature of resistance to Verticillium dahliae Kleb. in strains of peppermint (Mentha piperita L.) developed by irradiation

Production of polygalacturonase and macerating enzymes by Phoma menthae

Epidemiological insights into Armillaria mellea root rot in a managed Ponderosa pine forest

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