Content by Philip Rozeboom

Plastic resealable bag containing larger ash gray blister beetles and smaller Dectes stem borer adults with long antennae.

Dectes Stem Borer Adults Are Active in Soybean

SDSU Extension is again surveying soybean in South Dakota for Dectes stem borer adults. After a slow start this growing season, large populations of beetles were observed in soybeans last week.

Picture of multiple green plants and tan, corn residue with brown soil in the background.

Reminder: One herbicide in the postemergence application will likely not be effective

The SDSU Extension Weed Science Project is currently conducting a plethora of field research evaluating weed management in soybean. One study is investigating the effectiveness of 2,4-D and tank mixtures applied one time to 4-inch weeds.

People walk through rows of crops with nets

SDSU Extension hosting Integrated Pest Management Field School

July 08, 2024

South Dakota State University Extension will host an Integrated Pest Management Field School on July 23, 2024, by Volga.

Two scans of older SDSU Extension publications from 1949 and 1959.

Revisiting Old Lessons in Corn Weed Management: 2,4-D and dicamba

What can past herbicide programs teach us about managing against herbicide-resistant weeds in corn today?

Small, green weeds throughout with a brown yard stick showing the weeds’ height being 2.5 inches.

Postemergence Herbicide Applications Need to Happen Soon in Soybean

In soybean crops, postemergence herbicides should be applied to smaller weeds, but proper scouting is likely necessary before application. Learn everything you need to know before making an application this growing season.

Green plant with bright yellow flowers throughout.

Leafy Spurge Management in the Early Summer

Early summer and fall integrated management tactics are critical for leafy spurge management. Now is the time to consider implementing early summer management tactics for leafy spurge.

Yellow and black beetle on green soybean leaf.

Bean Leaf Beetles Are Active in South Dakota

It’s important to remember early season scouting for bean leaf beetle defoliation. At this time, overwintering bean leaf beetles reach the adult life stage, and they emerge in with an appetite.

Sunset over a sunflower field in South Dakota.

Sunflower Weed Management

Weed management can be particularly challenging in sunflowers.

Numerous grayish-brown bugs gathering on a green stem.

Wet Spring Brings Surge of False Chinch Bugs

Within the past week, large populations of false chinch bugs have been reported across western South Dakota. In high numbers, these pests can pose a threat to Brassica plants.

A red, tractor-mounted sprayer with its tank being flushed by a hose connected to a large truck.

Dicamba Cannot be Applied Postemergence in Dicamba-Tolerant Soybeans After June 20

With weather delaying the planting of soybean, the clock is ticking to spray dicamba before the cutoff date of June 20, 2024. Learn what application tactics might work best before the deadline.