Three Oregon soil types (Chehalis silt loam (CSL), an alluvial
soil from the Willamette Valley; Ayre sandy loam (ASL), a volcanic
pumice soil from the Central high desert; and Klamath fine sandy
loam (KFSL), a basaltic mineral soil from the Klamath Basin) were
collected adjacent to fields which had been...
Race identification of stripe rust (Puccinia striiformis West. )
is influenced by environment, pathogen variability and host age.
Isolates of stripe rust were collected in the Pacific Northwest and
characterized on two sets of differential varieties; the "Oregon" and
the United States. Six of the seven isolates tested on the...
The virulence of 44 isolates of stripe rust (Puccinia striiformis
West.) from 33 collections made during 1971 and 1972 were characterized
on two sets of differential varieties. The varieties in the
"Oregon" set were: Cappelle Desprez, Chinese 166, Dippes Triumph,
Druchamp, Etiole de Choisy, Flamingo, Gaines, Golden, Ibis, Leda,
Michigan...