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Creator:: McCoy, Mary Lois
Resource Type:: Dissertation
Full Text:: root rot of bean was sup- pressed in different soils and that this suppressive factor was micro

Creator:: McGeehan, Steven L.
Abstract:: Take-all root rot (Gaeumannomvces araminis var.tritici) is a major disease of wheat (Triticum aestivum) in western Oregon. Control of take-all is dependent on management practices such as crop rotation and soil fertility-plant nutrition relationships. The objective of this study was to develop a bioassay that could measure the influences of...
Resource Type:: Masters Thesis
Full Text:: of Take-all Root Rot AN ABSTRACT OF THE THESIS OF Steven L. McGeehan for the degree of Master of

Creator:: Grybauskas, Arvydas P.
Abstract:: The use of fungicides for the control of foot rot of winter wheat, caused by Pseudocercosporella herpotrichoides (Fron) Dei., requires a forecast of disease risk to optimize this management practice ecologically and economically. Foot rot occurs in both the mild, wet (100+ cm, ppt./year) annual cropped areas in western Oregon,...
Resource Type:: Dissertation
Full Text:: since at least 1919 as one of the organisms in a disease complex reported to cause a foot and root rot

Creator:: Maatougui, Mohamed El Hadi
Abstract:: Response from nitrogen and chloride fertilization was measured in field experiments on winter wheat (Triticum aestivum L. Em. Thell. var. 'Stephens' and 'Yamhill') grown in western Oregon in an environment with a range of susceptibility to take-all root rot (Gaumannomyces graminis var. tritici Walker). Cropping sequences and expected disease severity...
Resource Type:: Masters Thesis
Full Text:: ) to nitrogen and chloride fertilization in the presence of take-all root rot (Gaeumannomyces graminis

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