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South Dakota Commercial Pesticide Applicator Certification Testing
New commercial pesticide applicators and those that have allowed their licenses to lapse must pass commercial pesticide applicator exams to receive certification. Learn about some some helpful resources, contacts, and tips to help you be successful in your certification testing.
X-Disease in Chokecherries
X-disease is the name given to a set of diseases caused by a strain of the bacteria “Candidatus Phytoplasma pruni” that primarily affects stone fruits. Infected plants will typically display yellowing or reddening of their leaves by mid summer.
Suspect Herbicide Resistance in Your Fields? SDSU Can Help!
Submission form to screen weeds for herbicide resistance in South Dakota.
Cybersecurity Planning: Securing the Future
With reliance on digital technologies, precision agriculture requires securing data and implementing key strategies to safeguard digital assets and maintain operational integrity and confidentiality.
European Corn Borer Caterpillars Infesting Conventional Corn in South Dakota
European corn borer caterpillars have been observed in conventional corn at several South Dakota locations. Indicators for the presence of European corn borer caterpillars in corn are a line of straight holes in the upper leaves that is often referred to as "shot-hole injury."
Reports of Pyrethroid Failures for True Armyworm Caterpillar Management
True armyworm caterpillars reached thresholds in oats and wheat in many areas of South Dakota recently. Management efforts to reduce populations had varying levels of success, with SDSU Extension receiving numerous reports of pyrethroid insecticide failures.
White Thistle Disease: Biological management at work
White thistle disease can be seen among many Canada thistle plants throughout South Dakota this growing season. Plants infected with the disease exhibit significant reductions in both growth and seed head compared with non-infected plants.
Late-Season Crabgrass Control
At the start of August, crabgrass is often prevalent in lawns. Ideally, this weed should be controlled earlier in the season, but if early management was missed, a post-emergence herbicide can help control it before it produces more seed.
SDSU Extension experts to attend 2025 Dakotafest
August 06, 2025
South Dakota State University Extension experts will attend the 2025 Dakotafest trade show in Mitchell, providing educational resources and hands-on activities for a variety of topics.
Nitrate QuikTest for Forages
The Nitrate QuikTest for Forages is available at various SDSU Extension locations and veterinary clinics across the state and is designed to be used with standing forages prior to harvesting for hay or grazing.