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Filtering by: Advisor Horner, Chester E. Creator Zehsazian, Hassan

An improved selective medium for the isolation of Verticillium dahliae Kleb

Creator:

Zehsazian, Hassan

Abstract:

Sodium polypectate (SPP) was added to an ethanol-streptomycin agar (ESA) medium to determine if it would provide a selective substrate for the growth of Verticillium dahliae and for isolation of the fungus from soil and plant tissues in the presence of saprophytic fungi. Sodium polypectate improved greatly the formation and...

Resource Type:

Masters Thesis

Full Text:

extend my sincerest thanks to Dr. C. E. Horner for guidance throughout this study and for his aid in the
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:

Abstract approved: Redacted for Privacy Chester E. Horner Verticillium wilt of hops in Oregon, caused by