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Wheat Seed Testing, Pure Live Seed, and Seeding Rates

To legally sell wheat seed in South Dakota, a standard test—following Association of Official Seed Analysts (AOSA) seed testing protocols, for germination, purity, and noxious weeds—is required. This standard analysis, plus a seed count provides information needed to determine the seeding rate.

Green soybean with wilting/dying soybean within the same row.

Soybean Gall Midge Larvae Detected in South Dakota Soybean

Soybean gall midge larvae have been detected in southeastern South Dakota. Although the infestations probably won’t result in plant death in many fields in 2022, the infestations could be a source for soybean gall midge adults in 2023.

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

Soybean Aphids Active in South Dakota

Soybean aphid populations have been observed in South Dakota. Although populations are still very small and not widely dispersed, it is a good reminder that soybean aphid scouting should occur throughout the growing season.

Black beetle with a red head on soybean leaf.

Redheaded Flea Beetles Are Active in South Dakota

Redheaded flea beetles are now active in soybean. Although they haven’t caused significant defoliation yet, their activity should be monitored, as other defoliating insects are also present in soybean.

A reddish black fly with beaded antennae resting on a plant.

Hessian Fly: Preventing Outbreaks in Wheat

Hessian flies (Mayetiola destructor) are tiny, gnat-like flies. Their larvae are considered serious pests of wheat and occasional pests of barley and rye.

Dark green and tan curled caterpillars with an orange stripe along their sides.

True Armyworm Caterpillars Observed in South Dakota Wheat

Wheat harvest is underway in South Dakota, and one of our seemingly annual pests has been observed in wheat fields. While scouting last week, we observed small populations of true armyworms in wheat in Northeastern South Dakota.

Bleeding heart, lenten rose and Virginia blue bell flowers.

Shade-loving Perennials for South Dakota Gardens

Selecting beautiful perennial plants for a shaded location does not need to be challenging or leave you with boring options. Learn about some shade-loving perennials that are known for their fun foliage or attractive blooms.

SDSU Extension to Host Workshop Series for Next Generation Land Seekers

July 27, 2022

SDSU Extension will host online workshops for beginning farmers and ranchers looking for land. The series takes place every Thursday at 6:30 p.m. CDT/5:30 p.m. MT from Sept. 1-Oct. 20.

Wheat Streak Mosaic Virus Management: Plan ahead before planting this fall

Have you had a history of moderate wheat streak mosaic disease in your field? Do you plan on planting wheat into wheat stubble or wheat fallow? Have your neighbors had wheat streak mosaic disease outbreaks in the recent past? If you answered yes to any of these questions, you need to incorporate wheat streak mosaic control principles into your management plan before planting winter wheat this fall.

Variances in Working Capital to Gross Farm Revenues

Learn some of the key differences in working capital to gross revenue among farm types, level of gross sales and by net income.