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Filtering by: Creator Brown, Jack Academic Affiliation Botany and Plant Pathology Subject Onions -- Diseases and pests

Factors influencing the development of onion pink root disease incited by Pyrenochaeta terrestris (Hansen) Gorenz, Walker, Larson

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:

. , Mr. Jack Fisher and those working with them for their assistance with the field work in eastern
Resistance mechanisms against onion pink root (Pyrenochaeta terrestris), bioassay of inoculum potential in soil and chemical control

Creator:

Siemer, Sidney R.

Resource Type:

Dissertation

Full Text:

financial assistance. Special thanks go to Mr. Jack Fisher of the Dow Chemical Co. for his assistance and