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Filtering by: Subject Gaeumannomyces graminis -- Control -- Oregon

Combating take-all root rot of winter wheat in western Oregon [1983]

Creator:

Oregon State University. Extension Service, Jackson, T. L. (Thomas Lloyd), 1922-, Powelson, R. L., and Christensen, Neil Walter, 1944-

Abstract:

Published September 1983. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog

Resource Type:

Technical Report

Full Text:

Oregon with the increased fre- quency of wheat in rotations. Take-all produces a black, in- fected root
Combating take-all root rot of winter wheat in western Oregon [1984]

Creator:

Oregon State University. Extension Service, Jackson, T. L. (Thomas Lloyd), 1922-, Powelson, R. L., and Christensen, Neil Walter, 1944-

Abstract:

Published May 1984. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog

Resource Type:

Technical Report

Full Text:

Oregon Take-all root rot of wheat (Gaeumannomyces graminis var. tritici) has increased in western Oregon
Overwintering survival of stem rust on perennial ryegrass : construction of a simulation model, and effects of the mycoparasite Sphaerellopisis filum

Creator:

Gordon, Tyler C.

Abstract:

Stem rust, caused by the fungus Puccinia graminis subsp. graminicola, can cause yield reductions exceeding 90% on perennial ryegrass (Lolium perenne L.) crops grown for seed if not treated with fungicide in the spring. There is evidence that late-spring stem rust epidemics are initiated by populations that survived the winter....

Resource Type:

Masters Thesis

Full Text:

. filum infected stem rust uredinia in the glasshouse and field under conditions typical of an Oregon