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Filtering by: Subject Pistachio -- Diseases and pests Academic Affiliation Botany Creator Beaver, Richard Gary, 1939

The influence of environment and pathogen variability on the infection of wheat by Puccinia striiformis West

Creator:

Beaver, Richard Gary, 1939-

Abstract:

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...

Resource Type:

Dissertation

Full Text:

. 49 10 Disease gradients in late summer inoculated wheat plots, 1969. 50 11 Disease gradients and