Renewed Registration for Sulfoxaflor Products
After a lengthy review, the Environmental Protection Agency (EPA) re-evaluated data on sulfoxaflor and has renewed its registration for specific crops and conditions. Examples of sulfoxaflor products include Dow’s Transform, Closer and Sequoia insecticides.
“Sulfoxaflor will now have fewer uses and additional requirements that will protect bees,” said EPA in a recent press release.
Products containing sulfoxaflor can only be used on crops that limit bee exposure to the pesticide, such as:
- crops not attractive to bees (barley, triticale, wheat and turf grass)
- crops harvested before bloom (brassica leafy vegetables, bulb vegetables, leafy vegetables, watercress, leaves of roots and tubers and root and tuber vegetables)
- crops harvested post-bloom (berries, canola, fruiting vegetables, pome fruit, ornamentals, potatoes, stone fruit, succulent and dry beans, tree nuts and pistachio)
Indeterminate blooming crops such as citrus, cotton, cucurbits, soybeans and strawberries are not included in the registration. Application of sulfoxaflor insecticide is also prohibited on crops grown for seed production.
Dow is working with EPA to expand use into other crops, and some states are seeking emergency exemptions.
To learn more about drift and other stipulations, visit www.epa.com.
FMC Starts Process for New Active Ingredient
Farmers with corn, soybeans, cereals, canola, peanuts and potatoes could have a new fungicide active ingredient option. FMC is working with the Environmental Protection Agency and the Canadian Pest Management Regulatory Agency to complete registration for bixafen.
The active ingredient is a pyrazole carboxamide fungicide that belongs to a new generation of succinate dehydrogenase inhibitors. FMC says bixafen is effective against Northern corn leaf blight and gray leaf spot in corn; frogeye leaf spot, brown spot and white mold in soybeans; septoria leaf blotch, stripe rust and stem rust in cereals; early blight and white mold in potatoes; white mold in canola; and stem rot, leaf spot, leaf rust and Rhizoctonia limb rot in peanuts.
FMC has exclusive rights to bixafen from Bayer in Canada and the U.S. Learn more at www.fmc.com.
XTB Laboratories “Sniffs Out” Disease
In an effort to identify and stop devastating diseases earlier, XTB Laboratories, a startup from the University of California–Davis, is turning to new technology.
All living organisms produce odors called volatile organic compounds, which can be used to identify diseases and other stressors such as insect feeding. Each disease emits a unique odor that XTB can use to give farmers a warning of its presence. Testing is noninvasive with results available to farmers in about one to two days.
Currently the company is focused on identifying citrus greening but says the technology has broad use across several crops. The next two areas in which XTB will focus is greenhouse Phytophthora in ornamentals and xylella fastidiosa infection in olives.
Visit www.xtblabs.com for additional information.
Cry1F Pest Control Label Challenged
As Western bean cutworms (WBC) spread eastward entomologists are concerned about the efficacy of Cry1F (Herculex) against the pest. These specialists believe the label should be changed from “control” to classify Cry1F hybrids the same as non-Bt hybrids against WBC.
This season in particular, where Cry1F is challenged by WBC, it fails to provide observable benefit to producers, say University of Purdue entomologists in an open letter to the seed industry.