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Physical Sciences and Mathematics Commons

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Portland State University

Economics Faculty Publications and Presentations

Agricultural ecology

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Full-Text Articles in Physical Sciences and Mathematics

Managing Herbicide Resistance: Listening To The Perspectives Of The Practitioners, Jill Schroeder, David Shaw, Michael Barrett, Harold Coble, Amy Asmus, Raymond Jussaume, David E. Ervin Dec 2017

Managing Herbicide Resistance: Listening To The Perspectives Of The Practitioners, Jill Schroeder, David Shaw, Michael Barrett, Harold Coble, Amy Asmus, Raymond Jussaume, David E. Ervin

Economics Faculty Publications and Presentations

No abstract provided.


Herbicide Resistance: Challenges For Farmers And Implications For The Environment, George Frisvold, David E. Ervin Jun 2015

Herbicide Resistance: Challenges For Farmers And Implications For The Environment, George Frisvold, David E. Ervin

Economics Faculty Publications and Presentations

Genetically modified, herbicide resistant (HR) crops offer not only improved weed control, but also the potential to reduce soil erosion and fossil fuel use and to allow substitution toward less toxic or persistent herbicides. The widespread adoption of HR crops, however, has reduced the diversity of weed control tactics and increased ecological selection pressure for weeds resistant to dominant herbicides. This has led to a dramatic rise of HR weeds in many cropping systems. Resistant weeds threaten the sustainability of HR crops, pose environmental risks from alternative weed control practices, are altering public and private R&D programs, and necessitate new …


Experiential Knowledge And Interdisciplinary Approaches To Address Herbicide Resistance: Insights From Theory And Practice, David Shaw, David E. Ervin Jun 2015

Experiential Knowledge And Interdisciplinary Approaches To Address Herbicide Resistance: Insights From Theory And Practice, David Shaw, David E. Ervin

Economics Faculty Publications and Presentations

The exponential increase in herbicide resistant weeds around the globe poses a “wicked problem” that resists solutions developed from disciplinary science (Ervin and Jussaume; Shaw). Traditonal voluntary education and technical assistance approaches have failed to stem the advance of resistance. Scholars and practitioners recognize that improved understanding of human behavior leading to more resistant weeds must provide the foundation of knowledge for innovating more effective approaches. Principles to negotiate progress on wicked problems stress interdisciplinary approaches that integrate frontier social and natural science concepts with stakeholder experiences to discover novel approaches (Sayer et al). Standard templates to address the problem …