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Funded Project

Funding Program: Working Groups

Project Title: Sunflower Pathology Working Group - 2016

Project Director (PD): Samuel Markell [1]

Lead State: ND Lead Organization: North Dakota State University

Cooperating State(s): California, Iowa, Nebraska, South Dakota

Undesignated Funding: $20,000

Start Date: Mar-01-2016 End Date: Feb-28-2017

Pests Involved: Pathogens causing diseases on sunflower

Site/Commodity: Sunflower

Area of Emphasis: Pathology, 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. Diseases are the most significant biological yield-limiting factor for sunflower production, however, few pathologists work on sunflower and limited reference and Extension literature on sunflower diseases exist. Consequently, disease identification is challenging for growers and a near-total lack of IPM recommendations exist. This has resulted in a spray and pray approach to disease management. In 2013, the Sunflower Pathology Working Group (SPWG) was established with the specific mission of increasing IPM awareness by creating new academic and Extension publications. Major outputs include composition of the first APS Sunflower Compendium (in review), publication of a 20-disease diagnostic card set, submission of multiple grant proposals and publication of multiple research articles. In 2016-2017, the SPWG proposes to compose four Plant Health Progress Diagnostic Guides (two submitted in the current grant year), develop and disseminate sunflower disease playing cards and see the APS Sunflower Compendium to completion. We will assess impacts with follow-up surveys, sales data and feedback at stakeholder meetings. Proposed activities are consistent with the mission of the North-Central IPM Center and designed to increase and distribute new knowledge to stakeholders and increase collaboration and communication across professionals, hopefully leading to positive economic and environmental impacts by limiting needless fungicide applications. Membership of the SPWG is consistent with geographic specificity in the RFP; 80% of the members are from ND, SD, NE and IA. Objectives: Objective 1. Increase communication and collaboration among pathologists working on sunflower. Objectives 2. Address the sunflower pathology deficit in pathology reference material by publishing four Plant Health Progress Diagnostic Guides (PHP-DG). Objective 3. Develop sunflower pathology playing cards. Objective 4. Complete the APS Compendium of Sunflower Diseases.

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