Soybean

Soybean Disease Resources and Fact Sheets

Alfalfa Mosaic

• Alfalfa mosaic profile

Anthracnose Stem Blight

• Anthracnose stem blight profile

Bacterial Blight

• Bacterial blight profile

Bacterial Pustule

• Bacterial pustule profile

Bean Pod Mottle

• Bean pod mottle profile

• Bean pod mottle, agronomic impacts, and management

Brown Stem Rot

• Brown stem rot profile
• Brown Stem Rot Fact Sheet
• Brown Stem Rot in Wisconsin
• Brown Stem Rot (pdf)
• BSR Management and Variety Options (pdf)
• Soil pH Influences Soybean Disease Potential (BSR and SCN) (pdf)

Charcoal Rot

• Charcoal Rot Management in the North Central Region
• Charcoal Rot of Soybean Fact Sheet XGT1013 (pdf)
• Charcoal Rot of Soybean (UWEX pdf)
• Charcoal rot of soybean (webpage)

Diagnostics/ General Pest Management

• Quick Guide to Common Soybean Diseases (pdf). UWEX A3879-01.
• Top 10 Yield-Limiting Factors in Wisconsin Soybeans A43686 (pdf)
• Pest Management in Wisconsin Field Crops UWEX A3646. Order a print copy from  the UW Extension Learning Store.

Downy Mildew
Frogeye Leaf Spot

Fungicide Use in Soybean

• UWEX A3878 – Fungicide resistance management in corn, soybean, and wheat in Wisconsin (pdf) 
• Estimated Bushels Needed to Cover the Cost of Foliar Fungicide Applications (pdf). Principal Crops: Corn, Soybean, Wheat
• What’s on your seed? (pdf) – A list of active ingredients and trade names for commonly labeled seed treatments used on  field crops.
• Pest Management in Wisconsin Field Crops A3646.  Lists most pesticides labeled for use in the state of Wisconsin.
• Fungicides for Field Crops – American Phytopathological Society.  2012.
• Take Action Pesticide Resistance Program – Diseases and Fungicide Resistance Management

Green Stem Disorder (link to the North Central Soybean Research – Plant Health Initiative website)

Phytophthora Stem and Root Rot

• New Phytophthora sp. causing root rot on soybean in Wisconsin – Information about a new pathogen discovered in 2012 (pdf)
• Phytophthora Stem and Root Rot Fact Sheet  XGT1014 (pdf)
• Phytophthora Stem and Root Rot in Wisconsin
• Phytophthora root rot-like symptoms on soybeans containing Rps 1k in Wisconsin in 2008. A poster presented at the 2009 North Central American Phytopathological Society meeting in Ames, Iowa (pdf)

Powdery Mildew (pdf)

Seedling Diseases

• Early season infection and seedling health
• Common Soybean Seedling Diseases (pdf)
• What’s on your seed? (pdf) – A list of active ingredients and trade names for commonly labeled seed treatments used on field crops.
• Soybean Seed Fungicides
• Phytophthora Stem and Root Rot
• Video: Soybean Germination and Emergence: Common Issues . In a spring field, Shawn Conley gives tips on seeding depth, soil compaction issues, loss of cotyledon at emergence, frost damage, and general stand assessment.

Septoria Leaf Spot (Brown Spot)

Soybean Cyst Nematode

• Publication on the Relationship Between the Causal Agent of SDS and SCN in Wisconsin (pdf)
• Wisconsin Soybean Cyst Nematode Management Brochure (pdf)
• Soybean Cyst Nematode HG Types in Wisconsin (pdf)
• Soybean Cyst Nematode Sampling and Testing in Wisconsin (pdf)
• NCSRP SCN Management Guide – 5th Edition (pdf)

Stem canker – Diaporthe complex (pdf)

Sudden Death Syndrome

• Publication on the Relationship Between the Causal Agent of SDS and SCN in Wisconsin (pdf)
• Diagnosing SDS in the Field
• Sudden Death Syndrome of Soybean Fact Sheet XGT1015  (pdf)
• Sudden Death Syndrome in Wisconsin
• Sudden Death Syndrome: Finding Solutions for Farmers 12-page full-color bulletin (pdf format)

White Mold

• Diagnosing White Mold in the Field
• White mold in Wisconsin
• White mold disease cycle
• White mold risk assessment
• White mold management
• White Mold (Sclerotinia stem rot) (link to a printable pdf)
• White Mold Disease Profile
• Listen to Podcasts – Management of White Mold In Soybeans– funded by the North Central Soybean Research Program

Soybean Viruses

• Soybean Vein Necrosis Disease  Fact Sheet XGT1017 (pdf full color)
• Information on a new virus of soybean (PDF)
• Soybean Viruses
• Bean pod mottle virus
• Soybean mosaic virus and Alfalfa mosaic virus
• Virus look-a-like symptoms in soybean