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Two young woman inspecting plants growing on a vast, open range.

SDSU Extension hosts Women on the Range Grazing Workshop in Faith

May 15, 2024

South Dakota State University Extension will host a Women on the Range Grazing Workshop on July 8-10, 2024.

Canada thistle growing in a pasture.

Current State of Noxious Weed Management in South Dakota

Results of an online survey to determine how South Dakota stakeholders are currently managing noxious weeds.

cattle out on a snowy white day

How Does Cold Stress Affect the Energy Needs of Cattle?

Most beef producers understand that when the weather gets colder their cattle need more energy for maintenance. The questions are when do cattle start experiencing cold stress and then how much more energy do they need? Both the actual temperature and the wind speed interact to determine the effective temperature.

Green beetle larvae with a white stripe running down its body.

Alfalfa Weevil Activity Prediction Update: May 16, 2024

South Dakota finally warmed up and as a result, alfalfa across the state should be scouted for alfalfa weevil larvae.

Seecorn maggot larva feeding on a seed in a field.

Seedcorn Maggot Degree Day Activity Estimates: May 16, 2024

Based on accumulated degree days, areas in southern South Dakota are approaching the peak emergence period for the second generation of seed corn maggots.

Purple-brown caterpillar with orange head on a green corn leaf.

Common Stalk Borer Activity Estimate: May 16, 2024

Common stalk borer caterpillars are still active in grass and weeds along field edges. Based on recent degree day data throughout the state, no scouting is necessary for common stalk borer activity in fields yet.

Top: Field pennycress leaves and seeds. Bottom: Shepherd’s purse leaves and seeds.

Early Season Prevalence of Field Pennycress and Shepherd’s Purse

Many fields that are planted to winter wheat or have yet to be tilled may have a healthy infestation of field pennycress or shepherd’s purse. Learn some expert tips for identifying and managing these weeds before they become a problem this growing season.

Left: Alfalfa weevil larvae. Right: Alfalfa weevil adult.

It’s Time To Start Scouting for Alfalfa Weevils

This week, alfalfa weevil larvae have been spotted in the fields. Routine scouting is the best method to ensure that alfalfa isn’t heavily defiolated by this pest.

Green corn leaf with ragged holes through-out caused by common stalk borer feeding.

Common Stalk Borers and Why They Matter in Early Season Corn

Based on current degree day accumulations, the common stalk borer caterpillars are developing within weeds and grass hosts. Once the caterpillars outgrow these hosts they will begin moving into corn fields.

Artificial Insemination school attendee working with a liquid nitrogen filled semen tank.

Improve cattle AI skills with SDSU Extension refresher course

May 22, 2024

Cattle producers looking to refresh their artificial insemination skills are welcome to join the South Dakota State University Extension AI School Refresher Course on June 8, 2024.