Search

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: Black beetle with a red head on soybean leaf. Right: Green soybean leaf with small holes near the center and edges.

Monitor Soybean for Redheaded Flea Beetle Feeding

An additional soybean defoliator to monitor this week is the redheaded flea beetle. Although these beetles are typically not a serious soybean pest, large populations can result in considerable defoliation.

well-cared for lawn with green grass and landscaping brick

Understanding Water Conservation Measures for Lawns and Sports Turf

As of August 29th the city of Sioux Falls has moved from Stage 1 watering, which allowed every other day watering except between the hours of 12 noon and 5 PM, to Stage Two water restrictions; allowing only one day per week watering based upon the last number of the residence address. The watering schedule is determined by the flow of the Big Sioux River as measured by the USGS Monitoring Station located near Dell Rapids, SD.

Green bee on yellow flower.

Bees and Other Pollinators Visiting Sunflower

While insecticides are often necessary to reduce pest populations and prevent yield loss in sunflower, it is important to consider the impact they may have on beneficial insects, like bees and other native pollinators.

Light colored moth on a yellow sunflower head.

Sunflower Moths Active in South Dakota Sunflowers

We have received reports of sunflower moths present on early planted sunflowers this week. The observed sunflower moth populations are above the recommend threshold of an average of 1 to 2 moths per five heads.

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.

Black, yellow, and brown wasp in a clear container

Huge Wasps on My Tree! No, Those Still Aren’t Murder Hornets.

Another insect that has been mistaken for the Asian giant hornet (also known by its media-popularized name of ‘murder hornet’) is the horntail wasp. Horntail wasps are wood-boring insects that are harmless to humans, as they do not have venom and cannot sting.

Rancher cleaning a cow's hear before applying an implant.

Getting Implant Application Correct

How would you like to make a few thousand dollars per hour? When cattle backgrounders and feeders use growth promoting implants correctly, those returns are not a pipe dream. The key is administering the implant correctly.

Rancher applying an implant inside a cow's ear with an implant gun.

Questions and Misconceptions Surrounding Implants

Growth promoting implants are among the most widely used technologies in the beef industry. The first implant received FDA approval in 1954, yet in spite of a long history, there are still myths and misconceptions surrounding their use.

A soybean field with plants yellowing and dropping leaves in larger portion of the field while the rest of the field has green soybean plants.

Drought Stress or Stem Canker Killing Soybean Plants?

Several soybean fields scouted in a number of Eastern counties have plants dying or dropping leaves prematurely. While the majority of these fields have drought stress causing early senescence, a few fields have also stem canker developing