Frogeye Leaf Spot

Soybean leaves with bacterial blight

Late Season Soybean Diseases Widespread in Areas of Nebraska

September 13, 2019
Record rainfall during August and continued wet conditions into September are much to blame for the flush of diseases Nebraska’s soybean crop has been experiencing. Here are some of the most common diseases at this time and information on managing them.

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Frogeye leaf spot
Figure 1. Frogeye leaf spot on soybean

Frogeye Leaf Spot in Northeast Nebraska

August 19, 2019
Moderate to severe frogeye leaf spot is being reported on soybean in northeast Nebraska. Pathogen resistance to QoI fungicide is suspected in two fields. If you suspect resistance, contact the author for possible testing.

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Frogeye leaf spot

Frogeye Leaf Spot in Soybeans in Eastern Nebraska

July 27, 2017
Frogeye leaf spot is occurring in Nebraska soybeans, particularly in the eastern third of the state. While some fields have minor levels, some have significant levels and a fungicide treatment may be needed.

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