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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.

Wheat head with a green aphid, aphid mummies and a parasitized aphid.

English Grain Aphids Observed in Wheat

Reports of aphid populations in wheat fields have been slowly increasing in the past week. Most of these populations are well below the economic threshold, but there is a potential for them to increase.

It’s Time To Start Scouting for True Armyworm Caterpillars in Wheat

This week, we collected quite a few true armyworm moths from our traps around eastern South Dakota. That means that true armyworm caterpillars will probably be showing up soon. To play it safe, scouting should start this week to stay ahead of potential issues.

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.

Grain bin fan with a plywood cover installed on the exterior.

Check Your Bins This Spring

As it warms up this spring, don’t forget to check the bins. Grain bins work as solar heat collectors, and the grain inside of them may be much warmer than expected.