2018 Applied Research Book now available
Kelly Estes, Nicholas Seiter, and myself will be compiling an annual report detailing the applied research trials and data that are available to share with the public. These reports…
Stem zone lines do not indicate charcoal rot in soybeans
Charcoal rot is a disease that we see in years where soybeans are stressed for a significant portion of the season due to drought. If you look at older…
Female SCN on a soybean root.
Too wet or cold to sample for SCN?
Soybean Cyst Nematode is an extremely important, yield limiting pathogen of soybeans in Illinois, reducing yields an average of 1-3% across the state. As I have written in earlier…
Late season stem discoloration in senesced soybeans- what caused it?
The harvest in 2018 has been marred by frequent rains that resulted in soybeans in portions of the state being left out longer than desired. As expected, more attention…
Spray Decisions for Frogeye Leaf Spot in Soybeans
Soybeans throughout the state are maturing and consequently, many people have been asking questions about the need to make a fungicide application for suppressing frogeye leaf spot (FLS) in…
An example of the row closure threshold used by Sporecaster
Concerned about White mold? Check out #Sporecaster
White mold, caused by Sclerotinia sclerotiorum, is one of the most problematic diseases impacting soybean production in the northern portion of Illinois. Fungicides can be used to suppress this…
The disease pyramid. Plant diseases only occur when the right pathogen is present with a suceptible plant and the environment is conducive for disease. The amount of time spent in disease favorable conditions results in the overall amount of disease. Image N Kleczewski
Tips to help you make fungicide decisions
Every year we hear about fungicides, and their utility in agronomic production systems. Indeed, these products can be an extremely useful tool to prevent yield-related losses resulting from fungal…
I used a seed treatment. Why did I get seedling disease?
After the recent deluge that moved through parts of the state, some Illinois soybean producers have been hit hard with seedling diseases. A common question many people are asking…
Seedling diseases of Soybeans
Soybeans have started to emerge, and as you may expect, this is a prime time to scout fields for early season seedling diseases. Seedling diseases are caused primarily by…
Sudden Death Syndrome (SDS) Brown stem rot (BSR) and Southern stem canker all can produce similar foliar symptoms in soybean. For this reason, the entire plant must be examined to determine the causative pathogen.
When scouting soybeans, don’t just scout the foliage
Sudden death syndrome (SDS) is a disease of concern for soybean producers in Illinois and the surrounding region. The disease is caused by a soilborne fungus (Fusarium vilguliforme) that…