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Diseases of wheat and barley in conservation cropping systems of the semiarid Pacific Northwest

Published online by Cambridge University Press:  30 October 2009

Richard W. Smiley
Richard W. Smiley
Affiliation:
Professor of Plant Pathology, Oregon State University, Columbia Basin Agricultural Research Center, Pendleton, OR 97801.
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Abstract

Diseases continue to be important constraints in wheat and barley conservation cropping systems in the semiarid Pacific Northwest. Several diseases are more damaging in highthan low-residue seedbeds, and in crops planted during early autumn to reduce soil erosion during winter, especially unirrigated winter wheat in rotation with summer fallow in low rainfall zones (250–400 mm). Changes in cropping systems in the region have made disease management and maintenance of yield goals and farm profitability more challenging because disease management often is more complex and expensive with conservation tillage than inversion tillage. Practices being developed to meet this challenge are reviewed for diseases that are particularly trouble some in conservation farming systems of the Pacific Northwest.

Keywords

disease controlplant pathogenic fungivirusesnematodes
Type
Selected Papers from the U.S.-Middle East Conference on Sustainable Dryland Agriculture
Information
American Journal of Alternative Agriculture , Volume 11 , Issue 2-3 , September 1996 , pp. 95 - 103
Copyright
Copyright © Cambridge University Press 1996

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