Managing weed resistance has become a major challenge for many agricultural producers. Resistance is growing in terms of the number of weeds exhibiting resistance and the number of herbicides to which weeds are becoming resistant. The susceptibility of weeds to herbicides in many regions is a diminishing common pool resource affected by local producer weed control actions and natural conditions. Given the growing number of weeds exhibiting resistance, and the recognition that weed resistance is not a private property issue, we argue that managing resistance must be viewed as a wicked problem with no standard template across regions. Finding farm management approaches that help farmers successfully address weed resistance requires a shared perspective that incorporates an improved understanding of the human dimensions of weed management. Through an analysis of wicked problem characteristics, we argue that a people-centered approach to weed management is necessary. We offer principles learned from tackling other wicked agriculture and resource conservation issues to guide such approaches. Education, technical assistance, incentive schemes and regulatory efforts, and other strategies can play roles in constructing management approaches for herbicide resistance, but will have to vary from current efforts to unravel the mysteries of more effective weed management. Building a more inclusive approach, in terms of stakeholders and disciplines, will be key to achieving progress.

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The purpose of this analysis is to explore how U.S. grower perceptions of the future potential of different weed management approaches is conditioned by faith in technological fixes and how the latter is influenced by the rate and persistence of herbicide resistant weeds (HRW). We ground our analysis in rural studies literature on location and environmental sociological evaluations of techno-optimism. Using a coding typology of techno-optimism,-skepticism, anddissonance, focus group data show that farmers in Southern states responded with more skepticism and dissonance to the potential of chemical herbicides as a solution to HRW while farmers in Northern states, where there have historically been fewer HRW, have greater optimism in the potential of chemicals to solve the problem. We conclude that (1) the presence of HRWs provides an important context for farmer ideology and (2) those working with farmers in areas with high HRW rates may be able to tap into the skepticism and dissonance farmers feel toward the future potential of chemical herbicide solutions by providing integrated weed management alternatives.

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Herbicide resistance is 'wicked' in nature; therefore, results of the many educational efforts to encourage diversification of weed control practices in the United States have been mixed. It is clear that we do not sufficiently understand the totality of the grassroots obstacles, concerns, challenges, and specific solutions needed for varied crop production systems. Weed management issues and solutions vary with such variables as management styles, regions, cropping systems, and available or affordable technologies. Therefore, to help the weed science community better understand the needs and ideas of those directly dealing with herbicide resistance, seven half-day regional listening sessions were held across the United States between December 2016 and April 2017 with groups of diverse stakeholders on the issues and potential solutions for herbicide resistance management. The major goals of the sessions were to gain an understanding of stakeholders and their goals and concerns related to herbicide resistance management, to become familiar with regional differences, and to identify decision maker needs to address herbicide resistance. The messages shared by listening-session participants could be summarized by six themes: we need new herbicides; there is no need for more regulation; there is a need for more education, especially for others who were not present; diversity is hard; the agricultural economy makes it difficult to make changes; and we are aware of herbicide resistance but are managing it. The authors concluded that more work is needed to bring a community-wide, interdisciplinary approach to understanding the complexity of managing weeds within the context of the whole farm operation and for communicating the need to address herbicide resistance. Weed Technology cambridge.org/wet Education/Extension Cite this article: Schroeder J