Soybean Disease

Stunted soybean plant

Phytophthora Root and Stem Rot is Appearing in Nebraska Soybean Fields

July 21, 2022
Disease development will be most rapid in low areas of the field that are poorly drained or where compacted soils are present, but can occur in well-drained fields during periods of excessive moisture.

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Frogeye leaf spot

Fungicide Resistance and Management of Frogeye Leaf Spot of Soybean in Nebraska

June 16, 2022
Frogeye leaf spot — which will likely begin appearing in Nebraska soybeans within the next few weeks — can cause significant yield loss, but there are effective management options available.

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Soybean Gall Midge presentation
Nebraska Extension Crop Protection and Cropping Systems Specialist will present the information on soybean gall midge at this year's Nebraska Soybean Day and Machinery Expo.

Nebraska Soybean Day and Machinery Expo Offers 2022 Growing Season Information

November 18, 2021
At this year's expo, extension educators are set to present the latest research on soybean diseases and pests, and industry professionals will highlight insights on production costs and grain markets going into 2022.

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SDS on soybeans

Seed Selection Can Help Manage Diseases Next Year

October 27, 2021
Reviewing diseases that have caused issues in previous years can help you select more disease-resistant corn hybrids and soybean varieties for the upcoming growing season.

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SDS foliar symptoms

Triazole Phytotoxicity in Soybeans

August 26, 2021
Soybeans across Nebraska are currently presenting symptoms common with Sudden Death Syndrome and Brown Stem Rot; however, recent samples indicate many of the affected fields are experiencing phytotoxicity due to the application of a triazole (DMI) fungicide.

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Frogeye leaf spot

Corn and Soybean Disease Update: Southern Rust, Frogeye Leaf Spot, and Phytophthora Root and Stem Rot

July 21, 2021
Following identification of southern rust, Phytophthora root and stem rot, and frogeye leaf spot in areas throughout the state, producers are encouraged to scout and be prepared to apply the appropriate fungicide treatments.

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Frogeye leaf spot on soybean plant
Figure 1: Frogeye leaf spot of soybean (FLS) disease caused by foliar pathogen, Cercospora sojina, (Photo courtesy: Tamra Jackson-Ziems/UNL)

Nebraska Soybean Foliar Fungicide Use Survey

March 17, 2021
Offered until May 31, the foliar fungicide use survey will help UNL researchers determine future Extension programming to best meet the needs of soybean growers and other agribusiness professionals.

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link to Managing Diseases Starts NOW with Seed Selection

Managing Diseases Starts NOW with Seed Selection

November 19, 2020
Now is the perfect time to think about how you can minimize diseases next growing season. Planting disease-resistant hybrids and varieties may be a more economical way to manage certain diseases, reduce disease severity and reduce dependence on pesticides.

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