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True armyworm caterpillar on a corn leaf.

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.

A woman sits in a grassland with a clipboard making notes. More people with notes and buses are in the background.

South Dakota Range Management Workshop Set for June 27-29

April 18, 2023

SDSU Extension is partnering with the United States Forest Service, Bureau of Land Management and Natural Resources Conservation Service to provide the 2023 South Dakota Range Management Workshop June 27-29 near Deadwood, South Dakota.

Small, green teardrop shaped insects on a green, soybean stem with pink flower.

Soybean Aphids Detected in South Dakota

While scouting soybean aphids this week we observed small colonies of 5 to 10 soybean aphid nymphs. This indicates that the soybean aphids are just starting to arrive in South Dakota soybeans and weekly scouting for them should be occurring.

Green blades of rye growing amongst brown corn stalks.

Cereal Rye Cover Crop Between Corn and Soybean

Interest in cover crops has increased in recent times. Cereal rye has been a cover crop of choice among corn and soybean growers in South Dakota due to its superior tolerance to cold temperatures and ability to overwinter in a Northern climate.

stack of coins with faded chart lines showing in the foreground

Risk Calculator

The Risk Calculator is designed to combine crop insurance, government programs, and marketing tools together for a crop.

stack of coins with faded chart lines showing in the foreground

Crop Budgets

Crop Budgets helps producers to determine the preliminary cost of production for the major commodities grown in South Dakota.

white fly sitting on a green plant leaf

Biological Control of Pests in High Tunnels

Major insect and mite pests in high tunnels include aphids, thrips, white flies, and spider mites. Biological control uses living organisms (natural enemies) to suppress or limit pest populations to levels that do not cause economic injury to the crop.

Bacterial soft rot on tomato fruit.

Bacterial Soft Rot

Bacterial soft rot is a common disease that can occur in a variety of fruits and vegetables. Learn how to identify and manage it before it impacts your harvest.

Three holiday cacti. From left: Easter cactus, Thanksgiving cactus, Christmas cactus.

A Cactus for Every Holiday: Caring for This Popular Indoor Plant

Many people may not realize that there are three distinct species of holiday cacti: Easter, Thanksgiving and Christmas. This article explains the different types of holiday cacti and how to care for them.

A wheat head showing the start of the flowering period. This growth stage is the best time to apply a fungicide to manage Fusarium head blight.

Use Fusarium Head Blight Risk Prediction Tools for Better Disease Management

Winter wheat has reached the flowering growth stage, which is a time of high risk for Fusarium head blight. By using disease prediction tools correctly, a producer can protect wheat from infection by applying a timely fungicide when the tools show moderate to high risk.