BioWorks Inc. announced that the Organic Materials Review Institute (OMRI) reviewed the company's EPA registered biological fungicide RootShield PLUS (both Granules and WP), and approved the products for use in organic production.
BioWorks says that RootShield PLUS contains two active ingredients: Trichoderma harzianum strain T-22, and Trichoderma virens strain G-41, and provides preventive control of soilborne Phytophthora, improved control of hot-season Pythium (P. aphanidermatum), as well as other prevalent root diseases caused by Rhizoctonia, Fusarium, Pythium, Thielaviopsis, and Cylindrocladium.
According to the company, RootShield PLUS protects against damaging fungi by growing on roots, inhibiting and actively attacking pathogens; ensuring uninterrupted plant growth for up to 12 weeks per application.
Both the Granules and WP formulations have low Restricted Entry Intervals (REI), zero-day Pre-Harvest Intervals (PHI), and are registered for root disease control in greenhouses and outdoor ornamentals, herbs and vegetables. The products are available in most states. Visit www.bioworksinc.com/RSPLUS for a complete listing of states and additional product information.
Latest from Greenhouse Management
- Jackson & Perkins expands into Canadian market
- Green & Growin’ 26 brings together North Carolina’s green industry for education, connection and growth
- Marion Ag Service announces return of Doug Grott as chief operating officer
- Cincinnati Zoo & Botanical Garden debuting new perennial section at 2026 Breeder Showcase
- The Garden Conservancy hosting Open Days 2026
- Registration open for 2026 Perennial Plant Association National Symposium
- Resource Innovation Institute and North Dakota State University explore co-location of data center and greenhouses
- Fred C. Gloeckner Foundation Research Fund calls for 2026 research proposals
