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Wheat

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pair of hands holding soil

SDSU Extension to Host Conservation Drainage Workshop at Southeast Research Farm

July 10, 2019

SDSU Extension will be hosting a drainage workshop Wednesday, July 17 and Thursday, July 18 starting at 9:00 a.m. CDT at South Dakota State University’s Southeast Research Farm.

Conservation, Soil Health, Soil Fertility, Soybean, Wheat, Corn, Cover Crops, Field Pea, Flax, Oats, Oilseed, Pulse Crops, Sorghum, Sunflower, Crop Management, Crop Treatments

Three light green and brown insects on a blade of wheat.

Continue Scouting Wheat for Aphid Populations

Aphid populations in winter wheat continue to be observed in South Dakota. The major questions now are whether or not aphid populations are at economic threshold and if spraying is really necessary.

Green blades of wheat with brown, rust-like spots throughout.

Diseases in Winter Wheat Imply High Inoculum for Spring Wheat

Winter wheat is past the need for an in-season fungicide application. However, many spring wheat fields are yet to flower, making them prone to disease development. A few diseases, including leaf rust, stripe rust, and Fusarium head blight have developed in winter wheat. This implies that there is enough inoculum available for these diseases to develop in spring wheat; especially East River, where rainfall has been frequent.

Collage of four common wheat disease symptoms. From left: Tan spot, strip rust, stagonospora leaf blotch, and bacterial leaf streak.

Winter Wheat Disease Update: Leaf Diseases and FHB on the Increase

Winter wheat fields scouted last week show an increase in fungal leaf diseases and bacterial leaf streak. Among the fungal diseases, the most common leaf diseases are tan spot, Stagonospora leaf blotch, and stripe rust. The risk for Fusarium head blight has also started to increase in a number of areas in the state.

healthy rangeland with a diverse variety of grasses and plants throughout

SDSU Extension Hosts 2019 Forage Field Day in Beresford August 7

August 09, 2019

August 7, 2019 SDSU Extension will host a Forage Field Day for livestock producers, agronomists and industry clientele interested in producing and storing high quality forages.

Forage, Crop Management, Beef Cattle, Dairy Cattle, Corn, Wheat, Field Pea, Flax, Oats, Oilseed, Pulse Crops, Sorghum, Soybean, Sunflower

Color-coded map of the United States indicating predicted precipitation for July 2019. South Dakota is set to experience above normal precipitation.

July 2019 Climate Outlook: Challenges Continue

This year’s seasonal pattern of wetter than average conditions is projected to continue through July and the rest of the summer season. The latest climate outlook, released June 20, 2019, shows an increased chance of wetter than average conditions in the next one to three months for the state of South Dakota.

Symptoms of rust infection on wheat blades. Left: Stripe rust. Yellow pustules are arranged in a linear fashion on the wheat blade. Right: Leaf rust. Orange-brown pustules are randomly distributed on the leaf.

Stripe Rust and Leaf Rust Developing in Winter Wheat

Stripe rust and leaf rust were found in winter wheat plots at the SDSU research farm in Aurora. Observation of these two rusts indicates that we have inoculum in our area, therefore winter wheat fields should be scouted until wheat is done flowering.

Two, dark green aphids on a bright green leaf.

Aphid Populations Being Observed in Wheat

During the past couple of weeks, reports of aphid populations in wheat fields have slowly been increasing. Typically, the initial aphid populations are observed earlier in the season, but the 2019 spring may have delayed infestations.

United States Environmental Protection Agency logo.

Cancellation of Several Neonicotinoids

On May 20, 2019, the United States Environmental Protection Agency announced the cancellation of registrations for 12 products that contain neonicotinoid insecticides. The cancellation of the product registrations was voluntarily requested by the companies that had registered the products.