Entries by damonsmith

Wisconsin Soybean White Mold Update – July 29, 2020

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 – July 29, 2020

Damon Smith, Extension Field Crops Pathologist, Department of Plant Pathology, University of Wisconsin-Madison Roger Schmidt, Nutrient and Pest Management Program, University of Wisconsin-Madison No new county level first-detects of tar spot in Wisconsin have been added to the national tar spot map this week (Fig. 1). This week we are seeing just a a handful […]

Wisconsin Soybean White Mold Update – July 23, 2020

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 – July 23, 2020

Damon Smith, Extension Field Crops Pathologist, Department of Plant Pathology, University of Wisconsin-Madison Roger Schmidt, Nutrient and Pest Management Program, University of Wisconsin-Madison No new county level first-detects of tar spot in Wisconsin have been added to the national tar spot map this week (Fig. 1). This week we are seeing more counties being added […]

Wisconsin Corn Tar Spot Update – July 14, 2020

Damon Smith, Extension Field Crops Pathologist, Department of Plant Pathology, University of Wisconsin-Madison Roger Schmidt, Nutrient and Pest Management Program, University of Wisconsin-Madison Last week brought our first detect of tar spot in Wisconsin for the 2020 field season. This week we are seeing more counties being added now in Iowa and Indiana, with some […]

Wisconsin Soybean White Mold Update – July 14, 2020

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 Soybean White Mold Update – July 9, 2020

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 – July 9, 2020

Damon Smith, Extension Field Crops Pathologist, Department of Plant Pathology, University of Wisconsin-Madison Roger Schmidt, Nutrient and Pest Management Program, University of Wisconsin-Madison Tar spot has been detected on corn for the first time during the 2020 season, this week in Michigan and Indiana. In both situations these were fields with a history of the […]

Time to Think About White Mold Management in Soybeans in Wisconsin

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 Figure 1. Apothecia, small mushroom-like structures of the […]

Insights on In-Season Corn Disease Management Decisions

Damon Smith, Extension Field Crops Pathologist, Department of Plant Pathology, University of Wisconsin-Madison Corn is approaching the V6-V8 growth stages in regions of Wisconsin. With this, comes many questions about applying fungicide to control disease and preserve yield. What diseases are out there? What disease(s) should I focus on in-season? When should I spray? What […]