Follow the field crops during the 2020 growing season.
All Soybean Content
SDSU Extension publishes the South Dakota Pest & Crop Newsletter to provide growers, producers, crop consultants, and others involved in crop production with timely news pertinent to management of pests, diseases, and weeds in South Dakota.
Some early planted soybeans are starting to flower (R1 growth stage). One soybean disease that needs to be managed at this growth stage is white mold.
Soybean aphid populations have been observed in neighboring states and in very small populations in South Dakota. It is a good reminder that soybean aphid scouting should occur throughout the growing season to prevent population outbreaks and yield loss.
When we think of millipedes, it is usually as a nuisance pest indoors. However, there have been reports in South Dakota and neighboring states of millipedes being more than just a nuisance in 2020.
Typically, we are concerned with black cutworm activity in corn fields. However, 2020 has been anything but a typical year and we are instead concerned with black cutworm activity in soybean fields.
Over the weekend, a SDSU Extension collaborator reported that soybean gall midge adults had been captured in Southeastern South Dakota. These are the first adults that have been observed in South Dakota in 2020.
Cancellations of three dicamba labels on June 6, 2020 by the U.S. Environmental Protection Agency, left many farmers looking for options for effective weed control this summer.
Of all of the potential early season pests, the seedcorn maggot is rarely an issue in South Dakota. However, we have started receiving reports of soybean fields that have poor emergence or seedling stand reductions occurring.
May 22, 2020
With alternating cool and warm weather patterns throughout the last few months and the summer season ahead, temperature continues to be a challenge for climate forecasters in South Dakota.