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Funded Project
Funding Program: Working Groups
Project Title: Sunflower Pathology Working Group:2018
Project Directors (PDs):
Samuel Markell [1]
Robert Harveson [2]
Charles Block [3]
Thomas Gulya [4]
Febina Mathew [5]
Lead State: ND

Lead Organization: North Dakota State University
Cooperating State(s): Iowa, Nebraska, South Dakota
Undesignated Funding: $20,000
Start Date: Mar-01-2018

End Date: Feb-28-2019
Pests Involved: Diseases: including but not limited to White Mold, Phomopsis stem canker, rust, downy mildew, Phoma black stem, charcoal rot, fusarium root and stem rot, septoria leaf blight, alternaria leaf blight,
Site/Commodity: Sunflower
Area of Emphasis: Pathology, diagnostics, IPM
Summary: Approximately 85-90% of the 2.0 M acres of sunflower planted annually in the U.S. are in the North Central States. According the National Sunflower Association, diseases are the most significant biological yield-limiting factor for sunflower production. Despite this, few pathologists work on sunflower and very limited reference and Extension literature on sunflower diseases exist. Consequently, disease identification is challenging for growers and a near-total lack of IPM recommendations has resulted in a ‘spray and pray’ approach to disease management. To address these problems, the SPWG was established in 2013 with the specific mission of increasing IPM awareness by creating new academic reference and Extension materials. Major outputs include the first APS Sunflower Compendium (2016), a 20-disease diagnostic card set (2015), two disease chapters in major monographs/books (2015, 2017), a diagnostic card-deck (2016), many research and Extension manuscripts (2015-2017) and five additional manuscripts (research, feature and diagnostic guides) that are in various pre-publication stages (2017-2018). In 2018-2019, we propose to compose two additional Plant Health Progress Diagnostic Guides and publish an Ibook. We will assess impacts with a follow-up survey and feedback at stakeholder meetings. Proposed activities are consistent with the mission of the North-Central IPM Center and designed to increase knowledge among stakeholders and collaboration among professionals, ultimately leading to positive economic and environmental impacts by limiting needless fungicide applications. Membership of the SPWG is consistent with geographic specificity in the RFP; 4/6 of the members are from north central states.

Objectives: 1. Maintain increased communication and collaboration among pathologists working on sunflower
2. Publish interactive Sunflower Disease ‘iBook’
3. Publish two Plant Health Progress Diagnostic Guides (PHP-DG)



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