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Creator:: Flota, James Ernest
Resource Type:: Masters Thesis
Full Text:: ., and F. W. Ma lly. 1921. Pink root disease of onions and its control in Texas. Texas Agr. Exp. Sta. Bul

Creator:: McGraw, Anne-Cressey
Resource Type:: Masters Thesis
Full Text:: -arbuscular (VA) mycorrhizae (VAM) and pink root disease (Pyrenochaeta terrestris (Hansen) Gorenz, Walker

Creator:: Irwin, Roger Deane
Abstract:: Observations of bacterial soft rot of onions in the Lake Labish area in the Willamette Valley of western Oregon showed that two distinct symptom types occur during the growing season. The most prevalent symptom type appears in infected plants as a wilting and chlorosis of two or more lower leaves...
Resource Type:: Dissertation
Full Text:: between weather and disease suggests that outbreaks of bacterial soft rot can be forecast by occurrence

Creator:: Pfleger, Francis Louis
Abstract:: In vitro tests showed mycelial growth of Pyrenochaeta terrestris was inhibited by root and bulb extracts from the pink root resistant onion cultivar Nebuka, but not by extracts from the susceptible Southport White Globe. The active principle was shown to be fungistatic rather than fungicidal. It is present in both...
Resource Type:: Dissertation
Full Text:: organism Pyrenochaeta terrestris (Hansen) Gorenz, Walker and Larson. The disease is a 2 problem in

Creator:: Pack, Paul Eugene
Abstract:: A study was conducted of the influence of various climatic and soil factors on the development of onion pink root disease and of the influences of temperature, light, pH, carbon and nitrogen sources, and vitamins on the growth in vitro of an Oregon isolate of the pink root fungus, Pyrenochaeta...
Resource Type:: Masters Thesis
Full Text:: development of onion pink root disease and of the influences of temperature, light, pH, carbon and nitrogen

Creator:: Hess, Wilford M., 1934-
Resource Type:: Dissertation
Full Text:: Pyrenochaeta terres tris 48 14. Influence of soil fungicides on incidence of pink root disease and onion

Creator:: Bedwell, Jesse Leonard
Resource Type:: Masters Thesis
Full Text:: of this new and serious pest Into the state. The Department of Botany and Fiant Fathology of the

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