Introducing the Principle WP Bioinsecticide for Aphids, Thrips, and Whiteflies
PRINCIPLE WP biological insecticide | BioWorks
BioWorks has launched Principle WP, a bioinsecticide that delivers highly effective, resistance-free control on many of the most destructive crop pests. The active ingredient in Principle WP is Beauveria bassiana and features an optimized formula developed for maximum pest control and remarkably low residue. This proprietary formulation is labeled for indoor and outdoor use and is ideal for foliar spray, soil drenching, dipping, and aerial applications.
Principle WP is labeled for thrips, aphids, whiteflies, beetles, caterpillars, crickets, grasshoppers, leafhoppers, planthoppers, flies, mealybugs, plant bugs, and psyllids. The mode of action in Principle WP is penetration and infection of the target pest cuticle, effectively reducing the risk of insecticide resistance to zero.
“We are on-site with growers and seeing great control with Principle WP along with the benefits of an improved formulation,” says Julie Graesch, Technical Services Manager at BioWorks. “Growers will really appreciate the reduced residue and our technical expertise that is part of the Principle WP package.”
BioWorks has two decades of experience integrating Beauveria bassiana into agricultural and horticultural operations, resulting in proven strategies to help conventional and organic growers overcome the technical complexities of IPM.
Principle WP Product Details
- 4-Hour REI, 0-Day PHI.
- Exempt from residue tolerance.
- Labeled for vegetables, nursery crops, ornamentals, fruits, vines, hemp, and more.
- Complex mode of action provides control without the risk of resistance.
- Excellent compatibility with conventional pesticides and other biological products.
- OMRI-listed.
Principle WP Trial Results
Visit the Principle product page to access the white paper detailing extensive trial results of Principle WP.
Plants treated with Principle WP have no leaf residue, making them more retail-ready than those sprayed with other formulations. | BioWorks
Product Availability and Geography
Principle WP is registered for use in the U.S. and will begin shipping on June 2, 2025. Please refer to the BioWorks website to see the most up-to-date state registration information.
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