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RootShieldŽ Plus WP Biological Fungicide is a preventative biological fungicide for control of plant diseases. The active ingredients are microbes, Trichoderma harzianum Rifai strain T-22 and Trichoderma virens strain G-41, which when applied to seeds, to transplants or other propagative material, or to soil or planting mixes, grow onto plant roots as they develop and provide protection against plant root pathogens such as Pythium, Phytophthora, Rhizoctonia, Fusarium, Cylindrocladium and Thielaviopsis. RootShieldŽ Plus WP Biological Fungicide can be used alone or in conjunction with certain chemical fungicides; c
