Mar 22, 2023
AgBiome’s Theia fungicide approved in California

AgBiome Inc.’s Theia fungicide can be used throughout the U.S. to treat numerous plant diseases in fruit, vegetable and tree nut crops, with the recent approval by California regulators.

Theia fungicide is the second proprietary solution from AgBiome approved in the state that provides robust, broad-spectrum protection against a variety of soilborne and foliar diseases in high-value fruits, vegetables and tree nuts.

“California growers continue to look for effective and sustainable solutions that protect their crops from detrimental diseases,” Adam Burnhams, AgBiome chief commercial officer, said in a news release. “Theia fungicide’s approval in California gives growers a new tool that offers excellent control of a variety of diseases such as powdery mildew and fusarium.”

Courtesy AgBiome

Theia fungicide protects crops through multiple modes of action by blocking fungal and bacterial pathogens and activating crops’ natural defenses. The biofungicide contains the active ingredient Bacillus subtilis strain AFS032321. Theia fungicide received EPA approval in June of 2022 and is registered in 49 states.

It is approved by the Organic Materials Review Institute.

Theia fungicide is a product of AgBiome’s in-house GENESIS discovery platform, with the original microbe discovery, sequencing, and product development all led by AgBiome’s team. Theia fungicide follows Howler fungicide, AgBiome’s first biofungicide registered for use across the U.S.

“Our goal has always been to create effective crop protection products,” Brooke Bissinger, Theia fungicide product manager for AgBiome, said in the release. “We are excited to have Theia fungicide available to support growers in California as they deliver high-quality fruits and vegetables across the world.”

For complete details about Theia fungicide, please refer to the product label and visit

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