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Green alfalfa weevil larvae with a white stripe running down its body.

Alfalfa Weevil Activity Prediction Update: May 29, 2025

The lowest calculated degree days in South Dakota indicate that fourth instar larvae should be active, while the highest calculated degree days suggest that pupation is occurring in the field.

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

Alfalfa Weevil Activity Prediction Update: May 13, 2021

Although last week was warmer, we still didn’t accumulate a lot of degree days for alfalfa weevils. However, the upcoming forecast looks more favorable for alfalfa growth and alfalfa weevil development.

A field of green alfalfa test plots has dead patches due to winter injury of plants.

How Late is Too Late for the Last Alfalfa Cutting?

With a very challenging growing season and flooding across parts of South Dakota, many growers have struggled to harvest high quality forages in-between rains this summer.

Gooseberry bush in a garden with bright, red berries dangling from its branches.

Gooseberry: How to Grow It

Gooseberries are small shrubs that can provide fruit even in partially or lightly shaded locations. Learn some expert tips for planting, growing, and harvesting them in this resource!

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 picture of a green, smooth crabgrass plant with a white background.

Late-Season Crabgrass Control

At the start of August, crabgrass is often prevalent in lawns. Ideally, this weed should be controlled earlier in the season, but if early management was missed, a post-emergence herbicide can help control it before it produces more seed.

Kiernan Brandt, SDSU Extension Cow/ Calf Specialist, instructs 4-H member, Molly Harty, on finding the reproductive tract during palpitation.

Artificial Insemination School

SDSU Extension offers Beef Artificial Insemination (AI) Schools that teach participants overall herd management for reproductive success and profitability during the 2.5-day schools.

Gardener re-potting several seedlings that were started indoors over winter.

SDSU Extension Master Gardener Advisory Council

The Master Gardener Advisory Council supports the work of Master Gardener Volunteers across the state.

An older woman and a younger woman reviewing paperwork on a desk.

What is the Definition of Leadership?

What is the definition of leadership? If you asked 10 people this question you will probably get 10 different answers.

A crate filled with fresh vegetables.

Blossom End Rot on Tomatoes and Other Vegetables

Publication about the symptoms, causes and management of blossom end rot on tomatoes and other vegetables.