Entries by damonsmith

Wisconsin Soybean White Mold Update – July 11, 2019

Damon Smith, Extension Field Crops Pathologist, Department of Plant Pathology, University of Wisconsin-Madison Shawn Conley, Extension Soybean and Small Grains Agronomist, Department of Agronomy, University of Wisconsin-Madison Roger Schmidt, Nutrient and Pest Management Program, University of Wisconsin-Madison Figure 1 illustrates the calculated risk of white mold for select Wisconsin locations for non-irrigated soybeans, as determined by […]

Wisconsin Corn Tar Spot Update for July 11, 2019 – Frass Happens!

Damon Smith, Extension Field Crops Pathologist, Department of Plant Pathology, University of Wisconsin-Madison Figure 1 shows the calculated risk from Tarspotter for July 11, 2019, for various locations in Wisconsin. Figure 2 shows the risk for locations in southern and south-central Wisconsin. As you can see, the present risk remains generally high for tar spot […]

Don’t let Fusarium Head Blight Keep You Down – Prepare Now to Harvest Those Scabby Wheat Fields

Damon L. Smith, Extension Field Crops Pathologist, University of Wisconsin-Madison Shawn P. Conley, Extension Soybean and Small Grains Agronomist, University of Wisconsin-Madison Fusarium head blight (FHB) or scab has been observed at moderate to high levels in some Wisconsin winter wheat fields this season. Incidence and severity have been variable by location, susceptibility of the […]

Wisconsin Corn Tar Spot Update – July 3, 2019

Damon Smith, Extension Field Crops Pathologist, Department of Plant Pathology, University of Wisconsin-Madison Figure 1 shows the calculated risk from Tarspotter for July 3, 2019, for various locations in Wisconsin. Figure 2 shows the risk for locations in southern and south-central Wisconsin. As you can see, the present risk remains generally high for tar spot […]

July in Wisconsin, Time to Think About White Mold Risk In Soybeans

Damon Smith, Extension Field Crops Pathologist, Department of Plant Pathology, University of Wisconsin-Madison Shawn Conley, Extension Soybean and Small Grains Agronomist, Department of Agronomy, University of Wisconsin-Madison Roger Schmidt, Nutrient and Pest Management Program, University of Wisconsin-Madison Paul Mitchell, Extension Economist, Agricultural and Applied Economics, University of Wisconsin-Madison In Wisconsin, the first week of July brings […]

Wisconsin Winter Wheat Disease Update – June 28, 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 The Badger Crop Docs have been busy scouting production wheat fields and University of Wisconsin-Madison winter wheat variety trials and management trials around the wheat growing region of Wisconsin. Wheat […]

Wisconsin Tar Spot Update – June 25, 2019

Damon Smith, Extension Field Crops Pathologist, Department of Plant Pathology, University of Wisconsin-Madison Figure 1 shows the calculated risk from Tarspotter for June 25, 2019, for various locations in Wisconsin. Figure 2 provides a zoomed view for southern and south-central Wisconsin. As you can see, the present risk is very high for tar spot development […]

Tar Spot on My Mind

Damon Smith, Extension Field Crops Pathologist, Department of Plant Pathology, University of Wisconsin-Madison Tar spot seems to be on everyone’s mind now that corn planting is nearing the finish line. The challenging spring and wet weather has folks now focused on the various disease issues that might be in front of us if we stay in […]

I Finally Got My Soybeans Planted and Now They Look Sick!

Damon Smith, Extension Field Crops Pathologist, Department of Plant Pathology, University of Wisconsin-Madison Shawn Conley, Soybean and Wheat Extension Specialist, Department of Agronomy, University of Wisconsin-Madison The 2019 growing season has been nothing but full of challenges for Wisconsin farmers and farmers throughout the Midwest. Weather and grain markets have not improved, combined with late-planting […]

Wisconsin Winter Wheat Disease Update – June 4, 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 Wheat heads are close to emergence on some earlier varieties of winter wheat in southern and south-central Wisconsin. Within the next week wheat heads will be emerging and anthesis (flowering) […]