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...
Aphanizomenon flos-aquae from Upper Klamath Lake, Oregon
was introduced into culture in a precipitate -free medium developed
by modification of McLachlan's ASM medium. This medium ASMT
No. 8 contained no organic substances other than ethylendiaminetetraacetate
(EDTA) and Trishydroxymethylamino methane (Tris),
and was developed by modifying the concentrations of certain elements,...