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BioControl case study: Use of Ph-D in strawberries Rh-D FUNGICIDE Ph-D is a natural fungicide based on bacteria extracted from fungus Percent Fruit with Gray Mold Infection 80 70 60- 50 40 30 20 10 0 70.8 PH-D Control of Gray Mold (Botrytis cinerea) Infection in Strawberries Clemson Scnabel; York, South Carolina 56.4 48.6 46.5 31.8 29.0 27.5 19.5 Untreated AFS009 low rate + CapSil® 9 fl oz AFS009 high rate + CapSil 9 fl oz Fracture™ 25.6 fl oz CAPTEC® 4L 2.25 qt PH-D 6.2 oz THIRAM 24/7 2.6 qt Grower Standard Application dates: March 17-June 10; 8 applications for experimental treatments following UFL Advisory model (SAS); grower standard treatment received 13 weekly applications Evaluation: Average number of symptomatic fruit per plot, counted after "high" infection pressure (due to continuous rain at temperatures optimal for infection) in early May UPL Percent Fruit with Gray Mold Infection PH-D Control of Gray Mold (Botrytis cinerea) Infection in Strawberries Dr. J.E. Adaskaveg; UC Riverside, Riverside, CA 16 a 12- 00 Untreated b PH-D 11.3WDG 6.2 oz + Nu Film P® Crop: Crown strawberries Application dates: March 14, March 22 and March 30 @ 100 GPA Harvested: April 5, stored at 2°C for 1 day, then incubated at 20°C (room temp) for 5 days before evaluation Means followed by the same letter are not statistically different at p = 0.05 Untreated Control PH-D Treated EFFECTIVE DISEASE CONTROL PH-D is a broad-spectrum, Group 19 fungicide with a 0-day pre-harvest interval in strawberries. PH-D should be applied preventatively, particularly when climatic conditions exist for development of disease. UNIQUE MODE OF ACTION PH-D works by preventing cell wall construction via chitin inhibition. This unique mode of action makes PH-D a smart addition to a rotational management program when multiple applications are required. 37

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