Greenhouse Canada

BioWorks receives U.S. patent for Rootshield Plus

July 6, 2017  By Dave Harrison

July 6, 2017, Victor, NY – BioWorks has been issued a U.S. patent for its RootShield® PLUS+ biofungicide.

This next-generation RootShield product prevents diseases caused by soil-borne phytophthora species and offers improved control of hot season pythium diseases. RootShield PLUS+ also controls soilborne diseases caused by fusarium, pythium, rhizoctonia, thielaviopsis and cylindrocladium species.

Its two active ingredients, Trichoderma harzianum strain T-22, and Trichoderma virens strain G-41 grows on roots and in surrounding soils “shielding” them against root-damaging fungi for up to 12 weeks, while promoting healthier root systems and increasing root mass potential.


“The BioWorks team is proud to receive a U.S. patent for RootShield PLUS+.” said Joe Gionta, director of marketing and sales. “These accomplishments continue to reinforce our commitment to providing our customers with products that are safe, proven and effective.”


RootShield PLUS+ is an OMRI Listed biofungicide containing two active ingredients (Trichoderma harzianum strain T-22, and Trichoderma virens strain G-41) that provides preventative control of major root diseases, including those diseases caused by soil-borne phytophthora species and improved control of hot season pythium species.

• Also controls diseases caused by rhizoctonia, pythium, fusarium, thielaviopsis and cylindrocladium species.

• Grows on roots and in surrounding soils, “shielding” them against root-damaging fungi.

• Promotes a healthier root system, increasing root mass potential.

• Controls up to 12 weeks.

• 0-hour REI, 0-day PHI.

• Available as a wettable powder and as granules.

• Available in multiple sizes.

BioWorks provides the expertise for managing plant and soil health using reliable, environmentally responsible products, when and how growers need them.

For more than 20 years it has been helping our customers in the horticulture, agriculture and turf markets develop effective and efficient custom programs using products that are safe and proven. It is continuously reinventing the way its customers work by providing biologically based, integrated, safe solutions and programs.

BioWorks is a founding member of the Biological Products Industry Alliance (BPIA) and also a proud sponsor of the AFE scholarship program, funding the “BioWorks IPM/Sustainable Practices Scholarship.”

For more information, please visit the BioWorks website.

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