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Wheat plants infected with wheat streak mosaic virus.

Volunteer Wheat and Kochia Management With Herbicides Will Likely Require Two Passes

Wheat curl mites, which carry wheat streak mosaic virus, use volunteer wheat and grass weeds as secondary hosts to infest recently planted winter wheat crops. Therefore, effective management of these plants before winter wheat planting is critical.

Green wheat leaves with yellow streaks throughout.

Wheat Streak Mosaic Virus Complex: Breaking the Green Bridge

As wheat harvest proceeds, it won’t be long until winter wheat planting is underway in South Dakota. To effectively reduce wheat streak mosaic virus, it is important to manage the green bridge effect to slow spread of disease in newly emerging wheat fields.

Corn leaf samples with Southern Rust and Tar Spot.

Corn Diseases in South Dakota Update

Several South Dakota counties have confirmed positive cases of Southern Rust and Tar Spot this growing season. See our latest recommendations for dealing with these diseases before they become a problem.

A green field bindweed with a white flower at top.

In a Bind With Field Bindweed?

It’s August and field bindweed, one of our most-persistent perennial weeds, is flowering. Although field bindweed is not statewide noxious, it’s locally noxious in Bennett, Bon Homme, Clarke, Lake, Stanley, and Yankton counties.

Green plant with evidence of honeydew and an aphid colony.

Aphids Infesting Corn in South Dakota

Aphid populations are taking off in some southeastern South Dakota corn fields. The two aphid species that are commonly observed in corn include the corn leaf aphid and the bird cherry oat aphid.

Living trust and estate planning
Feb 03 - 17

Sustaining the Legacy @ Aberdeen

Join SDSU Extension and industry professionals for a three-day estate planning and farm succession conference on February 3, 10 and 17, 2026, at SDSU Extension Aberdeen Regional Center (13 2nd Ave. SE, Aberdeen, SD 57401). Each day begins at 10:00 a.m. and concludes at 4:00 p.m.

Sihlouette of farmers shaking hands with a tractor in the background
Mar 03 - 17

Sustaining the Legacy @ Watertown

Join SDSU Extension and industry professionals for a three-day estate planning and farm succession conference on March 3, 10 and 17, 2026, at SDSU Extension Watertown Regional Center (1910 West Kemp Avenue, Watertown, SD 57201). Each day begins at 10:00 a.m. and concludes at 4:00 p.m.

Cattle using a fabricated windbreak in north western South Dakota.

Don’t Discount the Need for Vitamin A and E in Beef Cows During Winter

Supplying sufficient Vitamin A and Vitamin E to cows in late gestation is important every year. Vitamins A and E are plentiful in green forages, but tend to be much lower in hay and winter range and continue to decline as the fall and winter progress.

A small herd of black angus cattle eating forage.

Clearing up Confusion on Protein and Energy Supplements

Differentiating between protein and energy supplements is key to developing an effective cattle supplementation program, but it can be very confusing. With the multitude of feed options available, understanding types of feeds and nutrient requirements will help ensure cattle perform optimally.

A snow-dusted corn stand.

Wet Corn: Storage and Late Harvest Options

With a very challenging harvest in many parts of south and southeastern South Dakota this year, farmers were faced with difficult decisions. Wet, unfrozen ground in many areas and high grain moisture forced many farmers had to make a decision: harvest the wet grain, or let it stand in the field.