Entries by damonsmith

2018 Corn Silage Fungicide Trial Results: A Story of Vomitoxin

Damon L. Smith, Ph.D., Associate Professor and Extension Specialist, Department of Plant Pathology, University of Wisconsin-Madison Brian Mueller, M.S., Assistant Researcher, Department of Plant Pathology, University of Wisconsin-Madison John Goeser, Ph.D., Adjunct Assistant Professor, Department of Dairy Science, University of Wisconsin-Madison and Animal Nutrition and R&I, Rock River Labs The 2018 corn growing season can be summed up […]

Bacterial Leaf Streak of Corn Confirmed for the First time in Wisconsin

Damon L. Smith, Extension Field Crops Pathologist, University of Wisconsin-Madison Carol Groves, Associate Researcher, University of Wisconsin-Madison Brian Hudelson, Plant Disease Diagnostician, University of Wisconsin-Madison Sue Lueloff, Assistant Plant Disease Diagnostician, University of Wisconsin-Madison The 2018 corn production season in Wisconsin has been challenging to say the least. We had what looked to be some of […]

What to Expect from Stalk Rot and Mycotoxins in Severely Diseased and Damaged Corn

Damon L. Smith, Extension Field Crops Pathologist, University of Wisconsin-Madison Corn is looking pretty rugged in many areas of the Wisconsin corn belt. Areas in southern, southwestern, and south-central Wisconsin have experienced major foliar disease epidemics including the new disease, tar spot. Areas in eastern, east-central, and south-central Wisconsin have also seen heavy flooding and […]

Holy Tar Spot, Batman!

Damon L. Smith, Extension Field Crops Pathologist, University of Wisconsin-Madison The phone has been ringing off the hook over the past week. In fact, this morning I had to dump my voicemail as it wouldn’t take any more messages. Why is that? For those of you who have been traveling the southern Wisconsin and Northern […]

2018 Pest Management Update Meeting Series Announced

The schedule for the Wisconsin Pest Management Update meeting series has been set. Presentations will include agronomic pest management information for Wisconsin field and forage crops. Speakers include Mark Renz and Rodrigo Werle, weed scientists, Damon Smith, plant pathologist, and Bryan Jensen, entomologist. The format will be the same as in 2017. Meetings will either […]

Wisconsin Late-Season Soybean Disease Update

Damon L. Smith, Extension Field Crops Pathologist, University of Wisconsin-Madison The calls have been coming in this past week on a couple of soybean diseases. In the southern third of the state most of the calls have centered on sudden death syndrome or SDS. To the north, most questions pertain to Sclerotinia stem rot or […]

Late Season Corn Foliar Disease Update and Hail-Damaged Corn

Damon L. Smith, Extension Field Crops Pathologist, University of Wisconsin-Madison Scouting by my team and phone calls from extension personnel, consultants, and farmers have made it evident that there are several foliar diseases of corn showing up  in this first part of August. Gray leaf spot (GLS), northern corn leaf blight (NCLB), and tar spot […]

Wisconsin White Mold Risk Maps – July 29, 2018

Damon L. Smith, Extension Field Crops Pathologist, University of Wisconsin-Madison **These maps are for guidance only and should be used with other sources of information and professional advice when determining risk of white mold development. For field-specific predictions, we encourage you to use the Sporecaster smartphone application. These predictions will be most accurate for your […]