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Onions and Related Crops – Diseases Midwest Veg Guide 2022 223 Revus (2.08SC) (mandipropamid) Garlic, Leek, Onion (Dry), Onion (Green), Shallot | 8 fl. oz. per acre. REI: 4-hour. PHI: 7-day. FRAC 40. Ridomil Gold Bravo SC (mefenoxam, chlorothalonil) Garlic, Leek, Onion (Dry), Onion (Green), Shallot | 2.5 pts. per acre. REI: 48-hour. PHI: 7-day for dry bulb onions, shallots, and garlic; 14-day for green bunching onions and leek. FRAC 04, FRAC M05. Ridomil Gold Copper (WSB) (mefenoxam, copper hydroxide) Garlic, Leek, Onion (Dry), Onion (Green), Shallot | 2 lbs. per acre. REI: 48-hour. PHI: 7-day for green bunching onions, shallots, and leeks; 10-day for dry bulb onions and garlic. FRAC 04, FRAC M01. Ridomil Gold MZ WG (DF) (mefenoxam, mancozeb) Garlic, Leek, Onion (Dry), Onion (Green), Shallot | 2.5 lbs. per acre. REI: 48-hour. PHI: 7-day. FRAC 04, FRAC M03. Viathon (potassium phosphite, tebuconazole) Garlic, Leek, Onion (Dry), Onion (Green), Shallot | 2-3 pts. per acre. REI: 12-hour. PHI: 7-day. FRAC 33, FRAC 03. Zampro (SC) (ametoctradin, dimethomorph) Garlic, Leek, Onion (Dry), Onion (Green), Shallot | 14 fl. oz. per acre. REI: 12-hour. PHI: 0-day. FRAC 45, FRAC 40. Zing! (zoxamide, chlorothalonil) Garlic, Leek, Onion (Dry), Onion (Green), Shallot | 30 fl. oz. per acre. REI: 12-hour. PHI: 7-day. FRAC 22, FRAC M05. Gray Mold of Multiple Crops - Botrytis Fungus Pesticide ManKocide (DF) (copper hydroxide, mancozeb) Garlic, Onion (Dry), Shallot | 1.5-2.25 lbs. per acre. REI: 48-hour. PHI: 7-day. FRAC M01, FRAC M03. Leaf Blight and Center Rot of Alliums - Pantoea Bacteria Applying fixed copper products may reduce the spread of these bacterial diseases. For emerged annuals, apply before planting or crop emergence. Pesticide copper products (copper hydroxide, copper octanoate, copper oxychloride, copper sulfate, copper diammonium diacetate complex, cuprous oxide) Garlic, Leek, Onion (Dry), Onion (Green), Shallot | Several formulations of copper (Badge, Champ, Kocide) are labelled for use and may slow the spread of bacterial blights. See label for directions. REI: 4 to 48-hour. PHI: 0-day. FRAC M01. OMRI-listed. ManKocide (DF) (copper hydroxide, mancozeb) Garlic, Onion (Dry), Shallot | 1.5-2.25 lbs. per acre. REI: 48-hour. PHI: 7-day. FRAC M01, FRAC M03. Leaf Blight and Stalk Rot of Onions - Stemphylium Fungus Stemphylium causes leaf blight and stalk rot but rarely affects the bulb. Long warm periods with leaf wetness favor disease development. Pesticide Aprovia Top (difenoconazole, benzovindiflupyr) Onion (Dry), Onion (Green) | 10.5 fl. oz. per acre. REI: 12-hour. PHI: 7-day. FRAC 03, FRAC 07. Cabrio EG (20) (pyraclostrobin) Garlic, Leek, Onion (Dry), Onion (Green), Shallot | 8-12 oz. per acre. REI: 12-hour. PHI: 7-day. FRAC 11. Fontelis (1.67SC) (penthiopyrad) Garlic, Leek, Onion (Dry), Onion (Green), Shallot | 16-24 fl. oz. per acre. REI: 12-hour. PHI: 3-day. FRAC 07. Inspire Super (EW) (difenoconazole, cyprodinil) Garlic, Leek, Onion (Dry), Onion (Green), Shallot | 16-20 fl. oz. per acre. REI: 12-hour. PHI: 7-day for dry bulb onions, shallots, and garlic; 14-day for green bunching onion and leek. FRAC 03, FRAC 09. Luna Experience (fluopyram, tebuconazole) Garlic, Leek, Onion (Dry), Onion (Green), Shallot | 12.8 fl. oz. per acre. REI: 12-hour. PHI: 7-day. FRAC 07, FRAC 03. Luna Tranquility (SC) (fluopyram, pyrimethanil) Garlic, Leek, Onion (Dry), Onion (Green), Shallot | 16-27 fl. oz. per acre. REI: 12-hour. PHI: 7-day. FRAC 07, FRAC 09. Merivon (fluxapyroxad, pyraclostrobin) Garlic, Leek, Onion (Dry), Onion (Green), Shallot | 5.5-11 fl. oz. per acre. REI: 12-hour. PHI: 7-day. FRAC 07, FRAC 11. Pristine 38WG (boscalid, pyraclostrobin) Garlic, Leek, Onion (Dry), Onion (Green), Shallot | 10.5-18.5 oz. per acre. REI: 12-hour. PHI: 7-day. FRAC 07, FRAC 11. Switch 62.5WG (cyprodinil, fludioxonil) Garlic, Leek, Onion (Dry), Onion (Green), Shallot | 11-14 oz. per acre. REI: 12-hour. PHI: 7-day. FRAC 09, FRAC 12.