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Harvested corn field with field pennycress throughout.

Soybean Cyst Nematode Management Plans Should Include Proactive Weed Management

While soybean cyst nematode can be managed through use of resistant varieties and crop rotation, presence of alternative weed hosts can negate the benefits of these practices by providing a host for soybean cyst nematode to continue to accumulate in the soil.

Left: Green soybean plants covered with yellow and brown spots indicative of frogeye leaf spot infection.  Right: Green soybean trifoliate that is covered in brown spots.

Deciding on Fungicide Application to Manage Mid-Late Season Soybean Leaf Fungal Diseases

Soybean leaf diseases can develop in some soybean fields to reach yield-reducing levels. The question that growers often ask is whether it is profitable to apply a fungicide to soybeans at the R3/R4 growth stage in South Dakota.

Grain storage bin.

Steps to Prevent Stored Grain Infestations

As wheat harvest is underway it is important to ensure that grain bins are prepared in the best possible manner to prevent insect infestations. There are seven steps that can be taken to help reduce the chances of having infested grain.

Field of mixed cover crops containing oats.

Cover Crop Considerations for 2020

Producers across South Dakota are harvesting small grains. These crops provide an excellent window for adding a cover crop into your rotation.

Three corn diseases. From left: Southern Rust, Bacterial Leaf Streak, and Eyespot.

Southern Rust, Bacterial Leaf Streak, and Eyespot Are Developing in Corn

Southern rust was found in Yankton County, bacterial leaf streak was found in Brule County, and eyespot was found in several fields and counties the week of July 27, 2020.

: Golden colored wheat field with much taller, golden colored, volunteer rye within.

Volunteer Winter Rye Could Be a Source of Ergot in Your Wheat

A few wheat fields scouted this summer were found with volunteer rye infested with ergot. Volunteer rye, in addition to being a weed, can be a source of ergot, which is a concern for winter wheat producers.

Small white cylindrical mites on a wheat leaf.

Wheat Streak Mosaic Virus is Prevented Before Planting Winter Wheat

Wheat streak mosaic disease (WSMD) is one of the important diseases in winter wheat and can lead to severe yield losses.

Soybean plant with with yellow-chlorotic blotches between leaf veins and noticable browning due to sudden death syndrome.

Sudden Death Syndrome of Soybean

Fact sheet discussing sudden death syndrome of soybean.

soybean field with white mold

White Mold (Sclerotinia Stem Rot) of Soybean

Fact sheet of the symptoms and signs for while mold in soybean.

Left: A soybean plant with cotton white mycelia girdling the lower portions of the stem amidst healthy soybean plants. Right: A soybean field with some plants having yellowing leaves due to sudden death syndrome infection.

White Mold and Sudden Death Syndrome Starting to Develop

White mold and sudden death syndrome are starting to develop in a number of soybean fields. These two diseases develop starting at the soybean flowering growth stage and can occur throughout the rest of the soybean growing season.