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Filtering by: Date issued sim 1968-01-23 Rights Statement Copyright Not Evaluated

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
A bacterial disease of the American shad (Alosa sapidissima)

Creator:

Rothman, Stanley

Abstract:

For the past six years a bacterial infection has been the cause of large losses of adult, spawning, American shad (Alosa sapidissima) in the Coos, Millicoma and Smith Rivers of Oregon. There was a sizable commercial fishery for shad in these rivers and losses of fish due to this infection...

Resource Type:

Masters Thesis