Damon Smith, Associate Professor and Extension Specialist, UW-Madison, Plant Pathology Each year the Wisconsin Field Crops Pathology Program conducts a wide array of fungicide and disease management tests on alfalfa, corn, soybeans, and wheat. These …
Plant Disease
Plant Disease Diagnostic Clinic (PDDC) Update
Brian Hudelson, Sue Lueloff, Sarah deVeer and Ann Joy In 2022, the PDDC continues to provide diagnoses through examination of digital photographs, as well as physical samples. Click here for the PDDC’s current submission policy, …
Wisconsin Corn and Soybean Disease Update and Forecast
Damon Smith, Extension Field Crops Pathologist, Department of Plant Pathology, Roger Schmidt, Nutrient and Pest Management Program, University of Wisconsin-Madison Rain, and the return of more humid weather, has meant that risk of tar spot …
White mold in Soybeans and It’s Management
Damon Smith, University of Wisconsin-Madison, Extension Field Crops Pathologist In Wisconsin, the first couple of weeks of July brings us a heightened awareness of white mold in soybeans, and its management. The 2021 season in …
We Found Tar Spot of Corn in 2022, Now What
Damon L. Smith, University of Wisconsin-Madison, Extension Field Crops Pathologist We have found tar spot on corn in Columbia Co. Wisconsin as of July 6, 2022. This is the earliest in the season, and the …
Wisconsin Winter Wheat Disease Update – June 1, 2022
Damon L. Smith, Extension Field Crops Pathologist, Department of Plant Pathology, University of Wisconsin-Madison In Wisconsin, wheat diseases have been nearly non-existent up to this point. Cool weather has generally kept wheat disease at low …
Wisconsin Winter Wheat Disease Update – May 24, 2022
Damon L. Smith, Extension Field Crops Pathologist, Department of Plant Pathology, University of Wisconsin-Madison Figure 1. Fusarium Head Blight Risk Map Winter Wheat is Wisconsin is in the “boot “or heading in the southern part …
White Mold of Soybean Web Book
Working on your soybean white mold management plan for 2022? Want to take a deep dive into what is known about white mold and managing it? Check out the new white mold web book. Free …
2021 Wisconsin Fungicide Test and Disease Management Summary
Each year the Wisconsin Field Crops Pathology Program conducts a wide array of fungicide and disease management tests on alfalfa, corn, soybeans, and wheat. These tests help inform researchers, practitioners, and farmers about the efficacy …
Disease Development and Deoxynivalenol (DON) Accumulation in Silage Corn
New Research Update: Disease Development and Deoxynivalenol Accumulation in Silage Corn Summary Fusarium graminearum is a fungus that causes the two diseases, Gibberella ear rot and Gibberella stalk rot, which can lower yield and feed quality of silage corn. …