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2022 Midwest Vegetable Guide

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Cole Crops and Brassica Leafy Greens – Diseases 106 Midwest Veg Guide 2022 chlorothalonil products (chlorothalonil) Broccoli, Brussels sprouts, Cabbage, Cauliflower, Kohlrabi | Several formulations of chlorothalonil (Bravo, Echo, Equus) are labeled at various rates. See label for directions. REI: 12- hour. PHI: 7-day. FRAC M05. Forum (4.17SC) (dimethomorph) Broccoli, Brussels sprouts, Cabbage, Cauliflower, Collards, Kale, Kohlrabi, Mustard Greens, Turnip Greens | 6 fl. oz. per acre. REI: 12- hour. PHI: 0-day. FRAC 40. Orondis Opti Premix (SC) (oxathiapiprolin, chlorothalonil) Broccoli, Brussels sprouts, Cabbage, Cauliflower, Kohlrabi | 1.75-2.5 pts. per acre. REI: 12-hour. PHI: 7-day. FRAC 49, FRAC M05. Orondis Ultra Premix (SC) (oxathiapiprolin, mandipropamid) Broccoli, Brussels sprouts, Cabbage, Cauliflower, Kohlrabi | 5.5-8.0 fl. oz. per acre. REI: 4-hour. PHI: 1-day. FRAC 49, FRAC 40. phosphite and phosphorous acid products (phosphorous acid, potassium phosphite, mono-dipotassium salts of phosphorous acid, mono- and dibasic sodium, potassium, and ammonium phosphites, fosetyl-aluminum) Broccoli, Brussels sprouts, Cabbage, Cauliflower, Collards, Kale, Kohlrabi, Mustard Greens, Turnip Greens | Several phosphite or phosphorus acid products (Aliette, Phostrol, ProPhyt, Rampart) are labeled at various rates. Label includes different crops, PHIs, resistance instructions, and other important information. Some manufacturers recommend tank-mixing. These products may be used in a preventative program until the disease is observed. REI: 4 to 12-hour. FRAC 33. Presidio (4SC) (fluopicolide) Broccoli, Brussels sprouts, Cabbage, Cauliflower, Collards, Kale, Kohlrabi, Mustard Greens | 3-4 oz. per acre. REI: 12-hour. PHI: 2-day. FRAC 43. Ranman 400SC (34.5) (cyazofamid) Broccoli, Brussels sprouts, Cabbage, Cauliflower, Collards, Kale, Kohlrabi, Mustard Greens, Turnip Greens | 2.75 fl. oz. per acre. REI: 12-hour. PHI: 0-day. FRAC 21. Reason 500SC (4.13) (fenamidone) Broccoli, Brussels sprouts, Cabbage, Cauliflower, Collards, Kale, Kohlrabi, Mustard Greens, Turnip Greens | 5.5-8.2 fl. oz. per acre. REI: 12-hour. PHI: 2-day. FRAC 11. Revus (2.08SC) (mandipropamid) Broccoli, Brussels sprouts, Cabbage, Cauliflower, Collards, Kale, Kohlrabi, Mustard Greens | 8 fl. oz. per acre. REI: 4-hour. PHI: 1-day. FRAC 40. Ridomil Gold Bravo SC (mefenoxam, chlorothalonil) Broccoli, Brussels sprouts, Cabbage, Cauliflower, Kohlrabi | 1.5 lbs. per acre. REI: 48-hour. PHI: 7-day. FRAC 04, FRAC M05. Zampro (SC) (ametoctradin, dimethomorph) Broccoli, Brussels sprouts, Cabbage, Cauliflower, Collards, Kale, Kohlrabi, Mustard Greens | 14 fl. oz. per acre. REI: 12-hour. PHI: 0-day. FRAC 45, FRAC 40. Leaf Spot of Brassicas - Alternaria Fungus Non-Pesticide Broccoli, Brussels sprouts, Cabbage, Cauliflower, Collards, Kale, Kohlrabi, Mustard Greens, Turnip Greens | Use disease-free seed and transplants. Hot water seed treatment may help to reduce this seedborne pathogen. Use temperatures and times of 122 for 25 minutes for Brussels sprouts and cabbage, 122 for 15 minutes for mustard greens, and 122 for 20 minutes for other Brassicas. Rotate to a non- Brassica crop for 3-4 years. Prompt destruction of the finished crop with tillage to rapidly breakdown tissue is an important method to prevent disease build-up. Pesticide azoxystrobin products (azoxystrobin) Broccoli, Brussels sprouts, Cabbage, Cauliflower, Collards, Kale, Kohlrabi, Mustard Greens, Turnip Greens | Use 2 lb. a.i. per gallon formulations (Quadris) at 6.0-15.5 fl. oz. per acre. Use 3.3 lb. per gallon formulations (Azteroid) at 3.9-9.7 fl. oz. per acre. Use 0.5 lb. per gallon formulations (Heritage) on greenhouse transplants only at 0.08-0.18 oz. per 1,000 sq. ft. REI: 4-hour. PHI: 0-day. FRAC 11. Cabrio EG (20) (pyraclostrobin) Broccoli, Brussels sprouts, Cabbage, Cauliflower, Collards, Kale, Kohlrabi, Mustard Greens, Turnip Greens | 8-16 oz. per acre. Use only up to 12 oz. per acre for turnip greens. REI: 12-hour. PHI: 3-day for collard, kale, and mustard; 0-day for all other cole crops. FRAC 11. chlorothalonil products (chlorothalonil) Broccoli, Brussels sprouts, Cabbage, Cauliflower, Kohlrabi | Several formulations of chlorothalonil (Bravo, Echo, Equus) are labeled at various rates. See label for directions. REI: 12- hour. PHI: 7-day. FRAC M05. Endura (WG) (boscalid) Broccoli, Brussels sprouts, Cabbage, Cauliflower, Collards, Kale, Kohlrabi, Mustard Greens | 6-9 oz. per acre. Suppression only for bottom rot and powdery mildew. REI: 12-hour. PHI: 14-day for collard, kale and mustard; 0-day for broccoli, Brussels sprouts, cabbage and cauliflower. FRAC 07. Fontelis (1.67SC) (penthiopyrad) Broccoli, Brussels sprouts, Cabbage, Cauliflower, Collards, Kale, Kohlrabi,

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