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A group of people standing in a wheat test plot

SDSU Extension to Host Small Grain Variety Tours

June 08, 2021

On June 17, South Dakota State University Extension will kick off its annual statewide Small Grain Variety Tours in Ideal.

From left: Wheat plants killed by common root rot. Wheat plants with bleached heads due to Take-all disease. Bleached wheat heads due to stem maggot feeding.

Differentiating Between Wheat Head Diseases and Disorders

Several diseases and disorders can develop in wheat heads. Learn the symptoms of several common disease and insect issues being observed in South Dakota wheat this growing season.

Field with purple flax flowers

Herbicide Residual Effects on Cover Crops after Wheat

Fact sheet about herbicide residual effect on cover crops after wheat.

green plant growing in a field with small grains growing on the ends

Proso Millet Trial Results

In 2020, proso millet trials were conducted in 1 location in South Dakota.

a strand of oats in a field

2020 Plant Disease Summaries for Small Grains

A number of field trials were implemented in the 2020 growing season with the general objective of assessing various disease management practices suitable for South Dakota growers and the Great Plains.

Winter wheat emerging from a dry stand in early spring.

Assessing Winter Wheat Stand In the Spring

Overwintering of winter wheat starts in the late fall and is completed during spring regrowth. Factors, such as genetics, amount of snow cover and winter temperatures, can all play a significant role in winter survival of wheat crops.

Top: Army cutworm caterpillar. Bottom: Pale western cutworm caterpillar.

Monitor Wheat for Early-Season Cutworm Activity

It's finally warming up in South Dakota, and insect activity in wheat fields will be increasing. For wheat, a couple of early-season pests that may already be active are the army cutworm and the pale western cutworm.

Gray caterpillar with dark markings, white splotches and a white stripe running down the middle of its back.

It’s Time to Scout Alfalfa for Cutworms

One of the earliest insect pests that can be found in South Dakota’s alfalfa fields are army cutworms. Injury from cutworms can sometimes be overlooked until large patches of an alfalfa field have been “cut.”

Yellow wheat with grey colored wheat heads.

Sooty Mold: A Saprophytic Fungi Observed in Wheat

While out crop scouting, sooty mold was observed in some South Dakota wheat fields. Sooty mold is a saprophyte, which can be easily mistaken for a disease caused by plant pathogens.

A side-by-side comparison of two oat varietes. The one on the right has crown rust developing on it.

Utilize a Fungicide For Crown Rust Prevention in Oats

If you are growing oats this year for grain, be sure to scout and plan a fungicide application to protect the oats from crown rust.