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Filtering by: Creator Zehsazian, Hassan Decade 1960-1969

Date of planting as a factor in the growth, development, and yield of snap beans

Creator:

Zehsazian, Hassan

Abstract:

In previous years, at Corvallis, yields of bush snap beans varied among planting dates. In order to obtain additional information on the effect of planting dates on the growth, development and yield of snap beans, four field plantings and two greenhouse plantings of the variety O.S.U. 2051 were made. Results...

Resource Type:

Masters Thesis

Full Text:

AN ABSTRACT OF THE THESIS OF HASSAN ZEHSAZIAN for 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:

temperature relations of the causal agents AN ABSTRACT OF THE THESIS OF HASSAN ZEHSAZIAN for the DOCTOR OF
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:

AN ABSTRACT OF THE THESIS OF HASSAN ZEHSAZIAN for the M.S
OSU theses and dissertations : 1960-1965

Creator:

Brandt, Patricia A.

Abstract:

A departmental and author index of 1,388 Masters Theses and Doctoral Dissertations accepted by the Graduate School, Oregon State University.

Resource Type:

Book