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Adult female emerald ash borer

Emerald Ash Borer Insecticide Treatment Options

Fact sheet about insecticide treatment options for protecting ash trees against emerald ash borer.

A field of flowering alfalfa.

Precautions for Grazing Weevil-Infested Alfalfa

Alfalfa weevil populations are high this year, creating challenges for producers. Questions have arisen on how to get some value out of the forage by grazing it rather than putting it up for hay.

aerial view of South Dakota farm and surrounding land

Barley Variety Trial Results

In 2019, Barley trial was planted at one location in South Dakota.

Orange larvae on discolored soybean stem.

Soybean Gall Midge in South Dakota

Fact sheet about soybean gall midge in South Dakota

A red sprayer in a green field with a cloudy sky in the background.

Commercial Pesticide Applicator Training

Those who apply pesticides for hire or as a government employee that applies pesticides while performing work duties, must have a commercial applicator license.

Rows of empty white, plastic pesticide containers.

Private Pesticide Applicator Training

Private applicator certification is required before an agricultural producer can purchase or use a restricted use pesticide.

Young woman applying insect repellant before an evening hike.

Enjoying the Outdoors Without Tick and Mosquito Bites

Outdoor activities seem extra inviting this time of year, and many people are already enjoying the long days and warmer temperatures. Ticks and mosquitoes share the outdoors with us, but there are things you can do to prevent bites from both.

Field with extensive injury caused by fall armyworm caterpillars.

Fall Armyworm Caterpillars Causing Issues in South Dakota

This week we started to receive reports of pastures and alfalfa stands that have been heavily fed on by fall armyworm caterpillars. Typically, these pests are not an issue in South Dakota. However, populations have been very large in many states during 2021, and they have now moved into South Dakota.

Paul O. Johnson making notes about a field of corn

SDSU Extension to Tackle Weed, Pest and Drought Inquiries at State Fair

August 23, 2021

To address drought concerns, as well as weed and pest inquiries, South Dakota State University Extension will feature two booth locations at the 2021 South Dakota State Fair Sept. 2-6 in Huron.

Green beetles feeding on the tip of a corn ear.

Northern and Western Corn Rootworm in South Dakota

Fact sheet on Northern and Western Corn Rootworm in South Dakota