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SDSU Welcomes Ali Nafchi to Precision Agriculture Team

July 09, 2021

The South Dakota State University Department of Agronomy, Horticulture and Plant Science, along with SDSU Extension, has named Dr. Ali M. Nafchi to serve as an Assistant Professor and Extension Specialist in Precision Agriculture.

Caterpillar with a red stripe on its back sitting on a green leaf. Bottom: Mottled gray caterpillar sitting on a green leaf.

Cutworms in Sunflowers

In South Dakota, some late-planted sunflower fields are having some cutworm pressure. Although most cutworm activity should be wrapped up by now, it is possible that some populations may have been feeding up until the beginning of July.

Light colored fly with dark pattern on wings sitting on a green leaf.

Sunflower Receptacle Maggot Flies Spotted in Sunflower

Quite a few sunflower receptacle maggot flies have been spotted in South Dakota sunflower fields. The adults don’t feed on sunflower, but the larvae of this insect are considered minor pests of South Dakota sunflower.

A large wasp on a pink flower.

Cicada Killer Wasps Are Active in South Dakota

The cicada killer wasps are active in South Dakota, which means cicadas are probably not far behind. As their name implies, cicada killer wasps use cicadas as a food source. They can present an impressive spectacle if you observe one carrying a paralyzed cicada from a tree.

From left: Meadow deathcamas in a South Dakota prairie rangeland. Silvery Lupine in a rangeland in South Dakota.

Poisonous Plants on Rangelands: Deathcamas and Lupine

With prolonged drought conditions throughout many areas of South Dakota, there is an increase of invasive weeds and poisonous plants on rangelands. Identification of poisonous plants is crucial to ensure livestock production is not compromised.

a tractor driving in a field next to a pond

South Dakota Grassland Management School Workshops Set For July 27, 28

July 15, 2021

The 2021 Grassland Management School workshops will be held at the Eck Restoration Project north of Henry, South Dakota on the shores of Warner Lake.

Five Individuals Selected for Induction into the South Dakota 4-H Volunteer Hall of Fame

January 09, 2023

A group of five individuals has been selected for induction into the South Dakota 4-H Volunteer Hall of Fame.

Field with livestock grazing with a crane and wind turbine in the background

Best Management Practices Guide for Restoration of Native Grasslands and Sensitive Sites Resulting from Energy or Industrial Development

A general guide to South Dakota landowners who are considering or who have allowed energy or other industrial development on their property.

A soybean field showing plants in a circular pattern killed charcoal rot.

Scout for Charcoal Rot in Early Senescing Parts of the Field

The drought conditions in the past few weeks have led to some soybean fields senescing early. However, some of the early senescing may be due charcoal rot.

Online Cover Crop Decision Tool Now Available

September 10, 2020

As interest in cover crops has grown significantly among crop and livestock producers in the region, species selection and establishment times have remained a major topic.