BioWorks RootShield Plus G 10Lb OMRI (Direct) ( Trichoderma harzianum strain T-22, Trichoderma virens strain G-41 ) 50 bag minimum buy

Preventative control of major root diseases including Phytophthora, Rhizoctonia, Pythium, Fusarium, Thielaviopsis and Cylindrocladium. Grows on roots “shielding” them against root damaging fungi. One application provides up to 12 weeks of protection. Contains two active ingredients (Trichoderma harzianum strain T-22 and Trichoderma virens strain G-41).