This project will support economic research of priority issues of the commodity groups as they relate to using clean plant materials

The project will also support meetings and travel of the ncpn economics working group which will identify and conduct on priority issues. Project activities will include the ongoing work of the ncpn economic working group to identify, develop, and manage ncpn economic research. The group will meet and coordinate activities with various ncpn tier II crops groups in addition to the governing board. The working group will also conduct 3 focused projects to: 1) complete methodologies that will provide management strategies to mitigate the effects of the x-disease in cherries and complete journal manuscript, 2) analyze data from sweetpotato field trials, 3) continue to analyze the economic impact of clean budwood in california while developing a database of citrus nursery trees propagated from the california center, . The studies will demonstrate the value of using clean plants to industry members and quantify this value in a way that is understandable and compelling to a wide range of stakeholders. The deliverables will include presentations to the ncpn governing board and the tier IIS, as well as to industry groups on request. In addition, researchers will write fact sheets for ncpn to use on the website and at industry events. Journal articles will be written for peer-review publications and fact sheets and bulletins will be written for lay audiences. The overall impact of these economic projects will be to devise beneficial management strategies for using clean plant materials to improve industry economic outcomes and to educate industry stakeholders about these benefits.