JH Biotech Fosphite Fungicide, 2.5 GallonsFosphite is a systemic fungicide for controlling downy mildew, Phytophthora, and Pythium on crops. Registered as a reduced risk pesticide by US EPA, Fosphite acts systemically for several weeks with a four hour re entry interval and a zero day pre harvest interval. The active ingredients in Fosphite break down the metabolism and cell wall components of pathogens. Fosphite then goes on to slow pathogen growth and inhibit their sporulation. By reducing
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