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Filtering by: Subject Pistachio -- Diseases and pests Academic Affiliation Botany Decade 1940-1949

Yellow bean and pea mosaic virus (Phaseolus virus 2) in Oregon

Creator:

Rich, Saul

Resource Type:

Dissertation

Full Text:

widespread distribution and regular occurrence. It is shown herein that yellow bean mosaic is a disease
A study of pansy and other viola leaf spot diseases

Creator:

Calavan, Edmond Clair, 1913-

Resource Type:

Masters Thesis

Full Text:

to check or halt the spread of the disease by carefully re- moving and destroying all spotted
Growth and variability of Fomes pini in culture

Creator:

Park, Jai Young

Resource Type:

Masters Thesis

Full Text:

includes a brief historical dis- cussion of the disease and a 8tatetent of its economic importance. It is
Types of brown-rot twig-blight on peach in Oregon caused by species of Sclerotinia

Creator:

Wang, Chʻuang

Resource Type:

Masters Thesis

Full Text:

important disease of stone fruits in Europe, America, and various other parts of the world. In Europe and
Decay of Sitka spruce with reference to detection of extent of actual decay beyond apparent incipient decay

Creator:

Tryon, Earl H. (Earl Haven)

Resource Type:

Masters Thesis

Full Text:

airplane construction (training planes),and as stained material is being discarded because it is believed
Leaf spot (Higginsia hiemalis (Higg.) Nannf.) of sour cherry in the Willamette Valley

Creator:

Evans, Arlyn Wayne, 1916-

Abstract:

The life history of the fungus involved and the control for cherry leaf spot was studied ever a two-year period. It was found that the disease in Oregon is caused by the same fungus described in New York by Higgins in 1914 as Coccomyces hiemalis and which was more recently...

Resource Type:

Masters Thesis

Full Text:

. . . . . . . . . . . . . . . . , i Seriousness and extent of the disease . . . i Ieed of investigation ....... . . . 2 Purpose