Biological fungicide for control of plant diseases. RootShield® contains live spores of Trichoderma harzianum a beneficial fungus, which grows on plant roots as they develop and provide prolonged protection against harmful root pathogens such as Fusarium, Rhizoctonia, and Pythium. Use when soil temperatures are above 50°F, at a rate of 1-3 tablespoons per gallon for a 25 foot row of seeds or 25 square feet of transplants. National Organic Program (NOP) compliant.
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