Soybean Diseases
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Best Management Practices for Soybean Production
This is your unbiased, research-based guide to soybean production to help increase yield, reduce input costs and protect your investment.
All Soybean Diseases Content
Soybean Diseases Update
A few soybean fields scouted had between low to moderate levels of brown spot (also known as Septoria leaf spot). Soybean planted into soybean stubble had elevated levels of brown spot.
'Science for Success: Notes From the Field' Resumes Aug. 6
July 29, 2021
South Dakota growers and agribusiness professionals are invited to join soybean research and Extension specialists from land-grant universities across the country as they host the webinar series, "Science for Success: Notes From the Field."
Next 'Notes from the Field' Webinar to be held June 4
June 01, 2021
South Dakota growers and agribusiness professionals are invited to join soybean research and Extension specialists from land-grant universities across the country as they host the monthly webinar series, "Science for Success: Notes from the Field."
2021 South Dakota Pest Management Guides Now Available
February 04, 2021
SDSU Extension has released the 2021 South Dakota Pest Management Guides.
Use the SD Spray Tool for Inversion Detection and Weather for Pesticide Application
The SD Mesonet Spray Tool provides real-time weather data for pesticide applicators. This dedicated website for pesticide applicators uses the SD Mesonet weather data, which is updated every five minutes.
Investigation of Soybean Seed Treatment and Inoculant in Southeastern SD, 2018
Soybean seed treatment products are widely utilized by many farmers in southeastern South Dakota and the surrounding area. These products often consist of an insecticide/fungicide combination, and/or inoculant that is mixed and placed on the seed as a pre-treatment before the grower plants the crop.
Yellow Soybeans
Yellow soybean areas within fields are being noticed in some areas of the state. There are six factors which could be causing the soybean plant yellowing: nitrogen (N), potassium (K), or sulfur (S) deficiency, iron deficiency chlorosis (IDC), soybean cyst nematode (SCN), or yellow flash from Roundup application.
Scout and Soil Test for the Soybean Cyst Nematode
Soybean cyst nematode (SCN) is the main soybean production constraint in South Dakota. Soybean plants can be infested with SCN but may not display visible symptoms.
Soybean Pests: Bean Leaf Beetles and Bean Pod Mottle Virus
With the number of bean leaf beetle observations in soybean fields during 2016, the need for monitoring soybean for Bean pod mottle virus (BPMV) development increases. Bean pod mottle virus was first identified in South Dakota in 1998, and is recognized as a very economically important disease in soybean due to the potential for it to cause devastating losses to soybean yields.
Soybean Investigations: Research on Your Farm Seeks Farmer Cooperators
SDSU Extension and the South Dakota Soybean Research and Promotion Council are seeking South Dakota Soybean Growers willing to participate in a farmer-led on-farm strip trial research program.