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White Mold Development: Is your soybean field at risk?

According to USDA-NASS crop progress report for the week of July 17, 49% of the soybeans in South Dakota are at flowering. The flowering growth stage is also the time when white mold infection is initiated. The white mold pathogen infects the soybeans through the flowers that are senescing after pollination.

Salvaging Feed Grain From Damaged Storage Structures

The windstorm that hit South Dakota on May 12, 2022 left an extensive damage in its wake, including damage to grain bin structures. Taking prompt action can help minimize value loss in stored grain.

Barley yellow dwarf developing in winter wheat.

Barley yellow dwarf is starting to develop in winter wheat. Barley yellow dwarf is caused by the Barley yellow dwarf virus (BYDV). This disease usually becomes more distinct at flag leaf emergence. A typical symptom of Barley yellow dwarf is the purplish-yellow color of infected leaves, especially the flag leaf.

Fungicide Seed Treatments for Winter Wheat

As producers are preparing to plant winter wheat, one of the decisions to make is whether to use a fungicide seed treatment, and if the answer is yes, which product to use.

Soybean Diseases Update

A few soybean fields scouted had between low to moderate levels of brown spot (also known as Septoria leaf spot). Soybean planted into soybean stubble had elevated levels of brown spot.

Late-Season Soybean Diseases: Know what’s killing your soybeans

Late-season soybean diseases can sometimes be mistaken for natural senescence. A closer look at the stems and roots of dying plants and the pattern displayed by dead plants in the field may reveal root or stem rots going on. In order to devise effective management practices for future soybean seasons, it is important to determine the cause of early soybean plants death.

Soybean Pests: Bean Leaf Beetles and Bean Pod Mottle Virus

With the number of bean leaf beetle observations in soybean fields during 2016, the need for monitoring soybean for Bean pod mottle virus (BPMV) development increases. Bean pod mottle virus was first identified in South Dakota in 1998, and is recognized as a very economically important disease in soybean due to the potential for it to cause devastating losses to soybean yields.

SDSU Extension to Host Drought Management Meetings

April 29, 2022

SDSU Extension will host drought management meetings across South Dakota May 10-12.

Crop Rotation in Farm Management 

Crop rotation has long been considered an important farm practice. In 2013 producers had to stray from their well thought out crop rotations when the winter wheat crop in South Dakota failed.

Soybean Vein Necrosis Virus Detected in South Dakota Soybeans

A new soybean virus called Soybean vein necrosis virus (SVNV) was detected in South Dakota soybean fields in Davison and Union counties. Symptomatic plants were sporadic and found along the field borders. Infected plants showed mild to moderate severity.