Wisconsin Winter Wheat Disease Update – May 21, 2019

Damon Smith, Extension Field Crops Pathologist, Department of Plant Pathology, University of Wisconsin-Madison, Brian Mueller, Assistant Field Researcher, Department of Plant Pathology, University of Wisconsin-Madison

Winter wheat in Wisconsin continues to move through growth stages at a fairly even pace. Winter wheat plots in our research program located at the Arlington Agricultural Research Station, Arlington, Wisconsin are just approaching the emerging flag leaf stage. Perhaps by the weekend or early next week, flag leaves will have emerged. Interestingly, this growth stage will likely occur almost at the same date as in 2018. Last season, we applied our Feekes 8 fungicide treatments on May 25th. So while it has been cool, and wheat appears to be moving through growth stages slowly, things aren’t too far off from 2018. Continue reading

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