Index Catalog // ScholarsArchive@OSU

Creator:: Chen, Yung-Wu
Abstract:: Tipburn is a widespread physiological disorder of cabbage and lettuce, caused by calcium deficiency. Symptoms of tipburn are necrosis on margins of outer and inner head leaves in lettuce, whereas in cabbage it is only on margins of inner leaves. Tipburn on outer leaves may develop early, but symptoms remain...
Resource Type:: Masters Thesis
Full Text:: Antitranspirant and Calcium Sprays on Calcium Distribution and Tipburn in Cabbage (Brassica oleracea var

Creator:: Oregon State University. Extension Service, Bekey, Ronald S., and Simko, B. C. (Ben C.)
Abstract:: Published June 1982. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Resource Type:: Technical Report
Full Text:: cabbage maggot, Hylemya brassicae (Weidemann), is a serious pest of radishes, turnips, cauliflower

Creator:: Dreves, Amy J.
Abstract:: In Oregon’s northern Willamette Valley, cabbage maggot (CM), Delia radicum (L.) (Diptera: Anthomyiidae) often renders Brassica root crops unmarketable. Scheduled insecticides are the only current control. Studies were conducted to: 1) describe and characterize spring emergence of CM flies and their seasonal flight activity relative to degree-day (DD) accumulations; 2)...
Resource Type:: Dissertation
Full Text:: , cauliflower, Brussel sprouts, kale, collards, and cabbage. It is a key pest of rutabaga and tuip production

Creator:: Kershner, Alexandria C.
Abstract:: Disease control is a crucial aspect of plant breeding for researchers as well as commercial producers. After samples from OSU's tomato breeding program tested positive for Columnea latent viroid in a screen done by a private company, secondary testing was done by the USDA laboratory in Corvallis which suggested that...
Resource Type:: Honors College Thesis
Full Text:: 1 Screening for Viral Disease in the OSU Tomato Breeding

Creator:: Crumb, S. E. (Samuel Ebb)
Resource Type:: Dissertation
Full Text:: project. He has grown the tuber samples from insecticide plots and determined the amount of disease

Creator:: Dickason, E. A. (Elvis Arnie), 1919-
Resource Type:: Masters Thesis
Full Text:: - ported as an economic pest because it destroys the flowers of cruciferous and uinbelliferous plants

Creator:: Hunt, Oliver Joseph
Resource Type:: Dissertation
Full Text:: characters for use in estimating disease resistance and sample size in hops AN INVESTIGATION INVOLVING THE

Creator:: Dykstra, Theodore P. (Theodore Peter), 1896-1979
Resource Type:: Dissertation
Full Text:: emphasizes the necessity of distinguishinr between a virus and the type of disease it causes. That

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

Creator:: Wooley, Paul Henry
Resource Type:: Dissertation
Full Text:: Disease, Phytophthora Fragariae Hickman, of Strawberries, and Attempts at Control PHXSIOLOOIC

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

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

Creator:: Wilks, Jack Morton
Resource Type:: Dissertation
Full Text:: group". In addition, there is a virus disease in cherry in the Eastern United States and Canada that

Creator:: Hills, Orin A.
Resource Type:: Masters Thesis
Full Text:: . "The best surest and easiest way to control this pest, however is to watch the plants closely early in

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

Creator:: Hosford, Robert Morgan
Resource Type:: Masters Thesis
Full Text:: . The disease relationships, the causal fungus and the effect of soil additives on severity of disease

Creator:: Gilmore, James Eugene
Resource Type:: Masters Thesis
Full Text:: , general information regarding the seasonal history of the pest, preda- tors and parasites, control

Creator:: Pratt, Michael John
Resource Type:: Dissertation
Full Text:: history 44 Nutrition 46 Environment 46 DIAGNOSIS OF THE DISEASE IN THW LABORTORY AND FIELD SPRED OF

Creator:: Bhatt, Dibya Deo
Resource Type:: Dissertation
Full Text:: have no influence on each other ( "co- existence "). The inci- dence and severity of a disease may

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