Wisconsin Winter Wheat Disease Update – June 1

Damon L. Smith, Extension Field Crops Pathologist, University of Wisconsin-Madison, Brian D. Mueller, Graduate Research Assistant, University of Wisconsin-Madison

A new blog post on the WISCONSIN FIELD CROPS PATHOLOGY website.

Despite the warm and rainy pattern that much of Wisconsin has been subjected to over the last week or so, the wheat FHB (scab) advisor is predicting low risk of FHB over much of the state. Just a narrow band of moderate to high risk exists very close to the Lake Michigan shore. Extending the advisor out 72 hours increases risk for FHB slightly for susceptible cultivars, but leaves the majority of the state still at low risk. If a fungicide has not been applied yet, stripe rust is present, and anthesis has begun this week, a fungicide should be considered to control FHB and stripe rust together… (continue reading)