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Did Malathion Effectively Manage Your Red Sunflower Seed Weevils?

Now that the August 31 deadline for the application of products containing malathion for red sunflower seed weevil management has passed, it is time to determine if the product was effective. South Dakota State University entomologists have received varying reports on this topic.

Wheat Streak Mosaic Virus Confirmed in 2026

At the end of April, a winter wheat sample was submitted to the Plant Diagnostic Clinic displaying typical viral symptoms of chlorosis and streaking. Upon testing, this sample was determined to be positive for Wheat Streak Mosaic Virus.

Waterhemp Has Emerged in South Dakota

Waterhemp seedlings were observed in Volga, South Dakota and other observations of emerging seedlings have been and reported elsewhere in the state. While the seedlings are still small, forecasted rain and increased temperatures will cause these plants to grow rapidly.

Army Cutworms Causing Issues in South Dakota Wheat

Army cutworm caterpillars are active in South Dakota wheat fields. This activity is only going to increase with the forecasted temperatures.

Fertilizer Placed With the Seeds in Dry Soil Conditions

Climate patterns can shift from wet to dry very quickly. A current consideration is thinking about seed injury from furrow-placed fertilizers, and there are notable differences among crops for tolerance of seed-placed fertilizers.

Brown Wheat Mites Detected in South Dakota Wheat

Brown wheat mite infestations have been detected in South Dakota wheat. Typically, infestations are more commonly observed in fields experiencing drought stress, which is currently most of the state

Safety & Training

Covering the range from animal handling to equipment safety, including training and certification to keep producers and their workforce productive.

Brookings Master Gardener donating 30 apple trees to local youth

May 19, 2026

A Brookings-area Master Gardener is donating 30 apple trees to local youth for the sixth annual Fruitful Children Project.