SDSU Extension Agronomy Team Ready to Answer Questions Back »

SDSU Extension’s agronomy team and the SDSU Plant Diagnostic Clinic will be at Dakotafest, August 15-17, 2017 at the Schlaffman Farm in Mitchell, SD (Booth #600). Our experts will be available to help producers diagnose problems in their fields and offer advice for managing plant diseases, insects, nutrient deficiencies, and other issues.

Common Crop Issues

Below are some common crop issues we have observed throughout the growing season. Visit our booth with any questions or conerns you might have about these issues.

  • Corn
    Goss’s wilt, common rust, common smut, genetic stripping, genetic leaf spotting, southern rust, stalk rots, and ear rots.
  • Soybeans
    Bacterial blight, brown spot, bean pod mottle virus, phytophthora, soybean cyst nematode, white mold, stem canker, and sudden death syndrome.

SDSU Plant Diagnostic Clinic Services

The South Dakota State University Plant Diagnostic Clinic (SDSU-PDC) provides plant disease, insect, and plant disorder diagnostic services throughout the year. Samples can be sent to the clinic via the post office or can be dropped off at campus. SDSU Extension county offices and regional centers also have mailers and information on how to send samples to the clinic.

Sample Submission

Mail your sample as soon as possible or drop off where possible (contact info below). Stop by booth #600 during Dakotafest with your plant samples or soil samples for soybean cyst nematode analysis. Use the Sample Submission Form to provide additional information that may help in the diagnosis process.

South Dakota State University
153 Plant Diagnostic Clinic (SPSB), Box 2108
Brookings, SD 57007
Phone: 605.688.5545
Fax: 605.688.4024
 
Email Website

Services & Fees

  • Free Soybean Testing
    The SDSU Extension Plant Pathology Program currently has a grant, courtesy of the South Dakota Soybean Research and Promotion Council, to provide soybean sample diagnosis at no cost for South Dakota soybean growers. This includes soil for SCN testing as well as soybean plant sample diagnosis.
  • Other Crop Samples
    Other crop samples have a fee associated with the diagnosis. The cost varies depending on the type of the test to be performed. Visit the SDSU-PDC Services and Fees website for more information.

The Bottom Line

Accurate plant disease diagnosis not only will result in effective disease management but may also save producers from unnecessary in-field pesticide application. For example, nothing can be applied in season to control bacterial or viral diseases or nematodes.

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