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2022 Midwest Vegetable Guide

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Fruiting Vegetables – Diseases 152 Midwest Veg Guide 2022 formulations of copper (Badge, Champ, Kocide) are labelled for use. See label for directions. Copper-resistant strains of the bacterial spot pathogen are common in the Midwest. Mancozeb products (e.g., Dithane, Manzate, Penncozeb) when tank-mixed with copper products, allow more copper to become available on the leaf surface and so may help manage copper-resistant bacterial strains. REI: 4 to 48-hour. PHI: 0- day. FRAC M01. OMRI-listed. LifeGard WG (Bacillus mycoides isolate J) Eggplant, Pepper, Tomato | 1-4.5 oz. per acre. 1-4.5 oz. per acre or 4.5 oz. per 100 gals. water. Suppression only; can be used in a rotational program with effective fungicides to reduce synthetic fungicide use REI: 4-hour. PHI: 0-day. FRAC 44. OMRI-listed. Regalia (5) (Reynoutria sachalinensis extract) Eggplant, Pepper, Tomato | 1-4 qts. per acre. Use in a program with copper products. For damping-off, | For Fusarium, Pythium, Rhizoctonia spp., use 1-4 qts. per acre. On greenhouse- produced seedlings, drench planting medium with 1-2 qts. per gal. water or dip seedlings in solution of 1-2 qts. per 100 gal. water immediately before transplanting. REI: 4-hour. PHI: 0- day. FRAC P05. OMRI-listed. Serenade Opti (26.2WP) (Bacillus subtilis strain QST- 713) Eggplant, Pepper, Tomato | Use Serenade Opti at 14-20 fl. oz. per acre, or Serenade ASO at 2-4 qts. per acre. Can be used in a rotational program with effective fungicides to reduce synthetic fungicide use. REI: 4-hour. PHI: 0-day. FRAC 44. OMRI-listed. streptomycin products (Streptomycin sulfate) Pepper, Tomato | Use 17% products at 16 oz. per 100 gals of water, or 50% products at 5.3 oz. per 100 gals. of water to maintain a concentration of 200 ppm. Apply one or two times to seedlings, alternated with a fixed copper product compound beginning at the two-leaf stage. Not labeled for use after transplanting (greenhouse only). REI: 12-hour. FRAC 25. Tanos (DF) (famoxadone, cymoxanil) Pepper, Tomato | Tomato: Early blight at 6-8 oz. per acre. Late blight and anthracnose at 8 oz per acre. For suppression of bacterial diseases of tomato, 8 oz. For late blight, tank-mix with a contact fungicide with a different mode of action. Pepper: Anthracnose at 8-10 fl. oz. REI: 12-hour. FRAC 11, FRAC 27. Buckeye Rot of Tomatoes - Phytophthora Oomycete These diseases are favored by heavy rains and waterlogged soils. Symptoms include discolored fruit and declining plants. Consider fungicide drench. Regular fungicide schedule may lessen impact of buckeye rot. Non-Pesticide Tomato | Rotate to non-Cucurbit, non-Legume, and non- Solanaceous crops for 3 years. Use raised beds, staking, and mulch to improve drainage, air flow, and reduce splashing. Prompt destruction of the finished crop with tillage to rapidly breakdown tissue is an important method to prevent disease build-up. Anaerobic soil disinfestation (ASD) is an effective sterilization method for greenhouse and high tunnel soils that contain this pathogen. Pesticide azoxystrobin products (azoxystrobin) Tomato | Use 2 lb. a.i. per gallon formulations (Acadia, AFrame, Arius, A-Zox, AzoxyStar, Azoxyzone, Dexter, Quadris, Satori, Tetraban, Willowood Azoxy) at 6.0-15.5 fl. oz. per acre. Use 3.3 lb. per gallon formulations (AZteroid FC 3.3) at 3.9-9.7 fl. oz. per acre. REI: 4-hour. PHI: 0-day. FRAC 11. copper products (copper hydroxide, copper octanoate, copper oxychloride, copper sulfate, copper diammonium diacetate complex, cuprous oxide) Tomato | Several formulations of copper (Badge, Champ, Kocide) are labelled for use and may improve efficacy of fungicides against Phytophthora blight when tank mixed at labeled rates. See label for directions. REI: 4 to 48-hour. PHI: 0-day. FRAC M01. OMRI-listed. Gavel 75DF (zoxamide, mancozeb) Tomato | 1.5-2 lbs. per acre. REI: 48-hour. PHI: 5-day. FRAC 22, FRAC M03. Orondis Opti Premix (SC) (oxathiapiprolin, chlorothalonil) Tomato | 1.75-2.5 pt. per acre. REI: 12-hour. PHI: 3-day. FRAC 49, FRAC M05. Orondis Ultra Premix (SC) (oxathiapiprolin, mandipropamid) Tomato | 5.5-8.0 fl. oz. per acre. Alternate with fungicides that have a different mode of action. Use either soil applications or foilar applications of oxathiapiproplin products, but not both. REI: 4-hour. PHI: 1- day. FRAC 49, FRAC 40. Quadris Opti (SC) (azoxystrobin, chlorothalonil) Pepper, Tomato | 1.6 pts. per acre. REI: 12-hour. PHI: 0-day. FRAC 11, FRAC M05. Ridomil Gold Copper (WSB) (mefenoxam, copper hydroxide) Tomato | For processing tomatoes: apply 1 pack per 3.7 acres plus 0.8 lb. a.i. per acre of mancozeb. For fresh market tomatoes: apply 1 pack per 2.5 acres plus 0.8 lb. a.i. per acre of mancozeb. REI: 48-hour. PHI: 14-day. FRAC 04, FRAC M01.

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