Project Details:

Understanding the role of fungicide programs on soybean health and charcoal rot development

Parent Project: This is the first year of this project.
Checkoff Organization:North Central Soybean Research Program
Categories:Soybean diseases
Organization Project Code:
Project Year:2015
Lead Principal Investigator:Kiersten Wise (Purdue University)
Co-Principal Investigators:
Daren Mueller (Iowa State University)
Christopher Little (Kansas State University)
Martin Chilvers (Michigan State University)
Emmanuel Byamukama (South Dakota State University)
Damon Smith (University of Wisconsin)
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Keywords: Charcoal Rot, Foliar Fungicides, Macrophomina phaseolina

Contributing Organizations

Funding Institutions

Information and Results

Comprehensive project details are posted online for three-years only, and final reports indefinitely. For more information on this project please contact this state soybean organization.

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Final Project Results

Members conducted research trials in 2014 across multiple environments. Research indicated that fungicide seed treatment products varied in efficacy and some products may reduce final colonization rates of M. phaseolina compared to the non-treated control.

Fungicides applied in-furrow may reduce populations in some environments, but not others, and the result of in-furrow applications on final yield was inconsistent.

Research indicates foliar fungicides applied at any timing between V4 and R5 did not significantly impact plant stand, fungal colonization, or improve yield compared to the non-fungicide treated control.

Results indicate foliar fungicides applied to reduce plant stress and manage charcoal rot would not provide a consistent economic benefit.

Project Years