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Two flies side-by-side. The left fly is a Western horse fly. The right fly is a deer fly.

Horse Flies and Deer Flies Becoming Abundant

The above-average precipitation this year has led to increased numbers of horse flies and deer flies across South Dakota. Widespread flooding and an overall abundance of available water has made conditions perfect for these flies.

Two corn diseases displayed side-by-side. The left corn plant has holcus spot lesions on its leaves. The right has paraquat drift injury.

Holcus Spot or Plant Injury?

Is your corn developing spots? Corn fields have been found with what appears to be Holcus spot, a bacterial disease. Upon further investigations, the leaves were found to be negative for any plant pathogens.

Two diseased wheat plants side-by-side. The wheat heads on the left have ergot bodies throughout. The wheat plants on the right are infected with Fusarium head blight.

Assess Your Fields for Ergot and Fusarium Head Blight Before Harvest

The 2019 wheat harvest is well underway in South Dakota, with many acres of winter and much of the spring wheat crop left to harvest. To date, reports on yield and quality have been variable, depending on when the crop was seeded, weather conditions at important growth stages (such as flowering and grain fill) and disease pressure throughout the season.

A color-coded map of the united states indicating temperature outlook for August 2019. South Dakota is mostly covered in blue.

August 2019 Climate Outlook: Cool and Wet

According to the latest climate outlook update, odds are favoring that August 2019 will be cooler than average. The update was released by NOAA’s Climate Prediction Center on July 31, 2019.

A group of soybean seeds drying on a paper towel. A small group of 13 damaged, swollen seeds is set aside from the pile.

The Clorox® Soak Test

This test is used in the field to determine the percentage of soybean (Glycine max) seed damage due to combining or threshing. It is also adaptable to use in the laboratory. The test can be used for beans (Phaseolus vulgaris) and other large dicotyledonous seeds which may be injured in combining, threshing, or seed cleaning.

A sprayer applying pre-emergent pesticide to a bare field.

Herbicide Rotation Restrictions

This is a quick reference guide to common herbicides and their rotation restrictions for selected crops.

A green cut alfalfa field dries as the sun sets.

Forage Resources Available to S.D. Farmers and Ranchers

Forages are a very important part of the South Dakota livestock and cropping industries. Often, producers have difficulties finding enough forage for their herd or locating a fellow producer to buy, sell or rent forages and grazing acres too. South Dakota now has two widely-recognized, free resources to aid in these connections.

Close-up of several black caterpillars feeding on a green sunflower leaf.

Checkerspot Caterpillars in Sunflower

While scouting sunflower near Sturgis this week, we came across outbreak levels of checkerspot caterpillars that were defoliating the plants. Similar sightings have been reported throughout Western and Central South Dakota in recent weeks.

A corn field with several plants displaying long, tan to gray lesions on their leaves.

Goss’s Bacterial Blight Beginning to Show Up in Corn

Goss’s bacterial blight was found in a few corn fields scouted the week of August 5, 2019. The severity ranged from low to moderate, where at least 25 percent of the leaf area was killed by the bacteria infection on several plants. The disease is characterized by long, tan-gray lesions with wavy margins found in the center of the leaf or along the edges of the corn leaf blade.

fruit and vegetable garden with raised beds

Vegetable Gardening in South Dakota

Whatever your reasons to start a vegetable garden: fresh produce with great flavor, exercise, saving money, enticing children (and adults) to eat healthier food, or knowing where your food came from and how it was grown, this booklet will help you with basic information and tips to get started.