Crop Treatments
All Crop Treatments Content
Utilize a Fungicide For Crown Rust Prevention in Oats
If you are growing oats this year for grain, be sure to scout and plan a fungicide application to protect the oats from crown rust.
Determining an Economically Optimal Nitrogen Rate for Corn in 2022
While we can't know what the prices of corn and nitrogen fertilizer will be next year, it is very important to understand how the level of both prices will influence corn profitability for 2022.
Fall Soil Sampling
With fertilizer prices on the rise, it’s more important than ever to understand your soil test levels and crop response to applied fertilizers. Fall is a great time to soil sample before freeze up.
Powdery Mildew: A Disease Concern in Field Peas
Producers of field peas may need to scout for powdery mildew this year. Powdery mildew is a late-season fungal disease that can impact peas if weather conditions are conducive. However, this disease can also occur in early planted fields in South Dakota under the right environmental conditions and when the crop canopy is heavy.
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.