Crop Treatments
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Monitor Canola Fields for False Chinch Bug Activity
While scouting canola this week, I came across a field that had plants along the edge that looked like they were suffering from drought stress, but given the recent rain I doubted that to be the case. Closer inspection of the stressed plants indicated that they were covered in false chinch bugs. Although false chinch bugs are not normally an issue in canola, very large populations do have the potential to reduce yield.
It’s Time to Start Scouting for Red Sunflower Seed Weevils
In South Dakota, sunflower flowering is getting underway. That means it is time to start scouting fields for red sunflower seed weevils.
False Chinch Bugs Are Active in Canola
We have received reports of false chinch bug populations in canola this week. Heavily infested canola fields will sometimes appear drought stressed, but closer inspection reveals that false chinch bugs are the culprits for the wilting plants.
Watch Sunflowers for Grasshopper Defoliation and Flower Feeding
Grasshoppers continue to be an issue in some areas of South Dakota. The hotspots seem to be along the Missouri River, but it is a reminder that everyone should be monitoring their crops for grasshopper feeding.
Chlorpyrifos Tolerances Revoked by U.S. Evironmental Protection Agency
In August 2021, a final rule was released by the U.S. Environmental Protection Agency for the insecticide active ingredient chlorpyrifos. The rule revoked all tolerances for chlorpyrifos.
SDSU Extension to Offer Integrated Pest Management Field School Online
July 30, 2021
South Dakota State University Extension will kick off its 13th annual Integrated Pest Management (IPM) Field School Aug. 1.
Interpreting Research Results: The Simple Way
Although research results and statistical terminology can seem overwhelming, understanding the basic concepts can be valuable for decision making. When making management decisions, don’t hesitate to ask for research results and statistics to back up marketing claims.
2021 South Dakota Pest Management Guides Now Available
February 04, 2021
SDSU Extension has released the 2021 South Dakota Pest Management Guides.
Use the SD Spray Tool for Inversion Detection and Weather for Pesticide Application
The SD Mesonet Spray Tool provides real-time weather data for pesticide applicators. This dedicated website for pesticide applicators uses the SD Mesonet weather data, which is updated every five minutes.
Investigation of Soybean Seed Treatment and Inoculant in Southeastern SD, 2018
Soybean seed treatment products are widely utilized by many farmers in southeastern South Dakota and the surrounding area. These products often consist of an insecticide/fungicide combination, and/or inoculant that is mixed and placed on the seed as a pre-treatment before the grower plants the crop.