Got Botrytis? New Biofungicide Formulation at Hand To Help Growers

Posted by Greenhouse Grower Staff|January 13, 2023

BioWorks has launched BotryStop WP, a newly formulated biological fungicide that delivers superior prevention and control of Botrytis when trialed against other biological and chemical control options. BotryStop WP delivered up to 40% greater efficacy and even more in certain trials when compared with competitive products on a diverse set of crops infected with the disease.

For indoor and outdoor use, the company says the product was developed specifically to address Botrytis in ornamental, nursery, food and medicinal plants.

BotryStop WP’s active ingredient, Ulocladium oudemansii (U3 Strain), has a unique mode of action (MOA) that prevents and controls Botrytis cinerea, Sclerotinia sclerotiorum, Monilinia spp., Xanthomonas and other foliar pathogens. BotryStop WP outcompetes the pathogens for nutrients released by senescing plant tissue and occupies the same ecological niche that pathogens like Botrytis colonize. This also makes it an excellent disease prevention tool that can be used alone or in a spray rotation for resistance management.

Product Details

Approved for organic and conventional IPM programs
4-hour REI, 0-day PHI
Wettable powder (WP) formulation is stable at room temperature for 12 months – no refrigeration required
Compatible with many chemical and biological control options

“New BotryStop WP data continue to demonstrate improved efficacy for the treatment of Botrytis,” says Michael Brownbridge, Biological Program Manager for Disease at BioWorks. “This reformulation provides an easy to use, superior resistance management solution for one of the most destructive diseases growers face.”

BotryStop WP is registered by the EPA and 49 states. California registration is pending and expected later in 2023. Filing with PMRA in Canada is pending.