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County map including portions of South Dakota, Minnesota, Nebraska and Iowa

Soybean Gall Midge Adults Emerging in South Dakota

Over the weekend, a SDSU Extension collaborator reported that soybean gall midge adults had been captured in Southeastern South Dakota. These are the first adults that have been observed in South Dakota in 2020.

Yard and garden damaged by high winds.

Never Underestimate Mother Nature

We know that weather is unpredictable, and every gardener will eventually have to deal with damage caused by weather. Learn some tips that will help you give your plants a fighting chance after extreme weather events.

Oats growing in a field.

Effects of Plant Growth Regulator in Oats

Plant growth regulators are human-applied chemicals that manipulate the hormone functions in plants. Learn how they can be used in oats to help reduce lodging and prevent yield loss.

Crop sprayer and a bottle of chemicals in a yard.

Read the Label

Last year, Bayer announced they would be phasing out glyphosate from the homeowner market, but they would be keeping the Roundup name for future marketing. Learn some important label considerations when purchasing Roundup-branded products.

Hail-damaged corn field.

Are Fungicides Needed on Crops Damaged by Wind, Sand Blasting or Hail?

When extreme weather brings hail and sand blasting to fields, many growers wonder if a fungicide application is needed afterwards to protect wounded plants from bacterial diseases.

Left: Squash bee adult. Right: Male long-horned bee.

Beneficial Pollinators: Squash Bees and Long-Horned Bees

South Dakota is home to more than 400 species of native bees. In this article, we will highlight the squash bee and the long-horned bee, two beneficial native pollinators.

Wheat leaf showing the green and yellow mosaic streaking associated with WSMV.

Wheat Streak Mosaic Virus Showing Up in Fields

Wheat streak mosaic virus is a viral disease, which has been found in samples recently sent into the SDSU Plant Diagnostic Clinic. Learn how to identify it before it takes a toll on wheat crops.

Two producers inspecting freshly cut alfalfa in a field.

Alfalfa Harvest Timing and Objectives

Guessing when to make that first cutting can be difficult, as using plant maturity or calendar dates alone can be quite risky. Get the most out of your first cutting with some expert tips that consider the timing and objectives of alfalfa harvest.

Small white mites crawling on a blade of wheat.

Managing Wheat Curl Mite

Wheat curl mite is one of the more difficult pests to manage in wheat. This is in part due to the limited options available for preventing populations from infesting a field and rapidly reproducing.

Paul O. Johnson giving a presentation near a research plot.

Paul O. Johnson Retires After Dedicated Career in SDSU Extension

June 08, 2022

Paul O. Johnson, SDSU Extension Weed Science Coordinator and Northeast Research Farm Coordinator, is retiring after a dedicated 33-year career supporting the people of South Dakota in his role at SDSU Extension.