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2022 Midwest Vegetable Guide

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Celery – Diseases Midwest Veg Guide 2022 91 uniform coverage and mechanically incorporated in the top 2 inches of soil. For banded application, a 7-inch band is recommended. Surface application (Broadcast or band): Apply in sufficient water or liquid fertilizer to provide uniform coverage. Do not make more than one soil application per year. Other formulations include MetaStar, Subdue Maxx, Ultra Flourish, Xyler and others. Rates vary by formulation. REI: 48-hour. PHI: 7-day. FRAC 04. Uniform (L) (mefenoxam, azoxystrobin) | 0.34 fl. oz. per 1,000 ft. of row. Make one application per crop per season. REI: 0-hour. PHI: 0-day. FRAC 04, FRAC 11. Early Blight of Celery - Cercospora Fungus Early blight (Cercospora leaf blight) symptoms include small, yellow spots that rapidly enlarge to tan or gray lesions. All above ground tissues of celery can become infected, resulting in losses of 50% or more when blighted stalks or leaves have to be removed at harvest. May be seedborne. Non-Pesticide Use disease-free seed. Hot water seed treatment may reduce this seedborne disease. Use temperatures and times of 118 F for 30 minutes for celery. Rotate to non-host crops for 2 years. Varieties with partial resistance are available. 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) | Products include AzoxyStar, AframeTM , Satori Fungicide , Gold Rush, Dexter SC, Quadris Flowable, Acadia 2 SC, Heritage, Tetraban Fungicide, Willowood Azoxy 2SC. See product labels for various rates. REI: 4-hour. PHI: 0-day. FRAC 11. Cabrio EG (20) (pyraclostrobin) | 12-16 oz. per acre. Do not apply more than 0.8 lb a.i. pyraclostrobin (64 oz. Cabrio) per acre per season. Do not make more than two (2) sequential applications of Cabrio before alternating to a labeled non-Group 11 fungicide with a different mode of action. REI: 12-hour. PHI: 0-day. FRAC 11. Catamaran (potassium phosphite, chlorothalonil) | 4-5 pts. per acre. REI: 12-hour. PHI: 7-day. FRAC 33, FRAC M05. chlorothalonil products (chlorothalonil) | Several formulations of chlorothalonil (Bravo, Echo, Equus) are labeled at various rates. See label for directions. REI: 12- hour. PHI: 7-day. FRAC M05. Evito (3.98SC) (fluoxastrobin) | Rate depends on formulation. Also available as Tepera and Aftershock. Do not apply more than 4 applications per acre per year, with a minimum re-treatment interval of 7-day between applications REI: 12-hour. PHI: 3-day. FRAC 11. Flint Extra (4.05) (trifloxystrobin) | 2.5-2.9 fl. oz. per acre. Maximum application volume: 30-gallons per acre. REI: 12- hour. PHI: 0-day. FRAC 11. Fontelis (1.67SC) (penthiopyrad) | 14-24 fl. oz. per acre. REI: 12-hour. PHI: 3-day. FRAC 07. Luna Sensation (fluopyram, trifloxystrobin) | 4-5.8 fl. oz. per acre Apply using ground, aerial or chemigation equipment. Apply at the critical timings for disease control. Refer to university and/or extension guidelines for best application timings. Continue as needed on a 14-day interval. Do not apply more that 15.3 fl. Oz. of Luna Sensation per acre per year. Do not make more than 2 sequential application of Luna sensation or any group 7 or group 11 containing fungicide before rotating with fungicide from a different Group. REI: 12-hour. PHI: 7-day. FRAC 07, FRAC 11. Merivon (fluxapyroxad, pyraclostrobin) | 4-11 fl. oz. per acre. REI: 12-hour. PHI: 1-day. FRAC 07, FRAC 11. Miravis Prime (SC) (pydiflumetofen, fludioxonil) | 9.2- 13.4 fl. oz. per acre. Do not make more than two consecutive applications of Miravis prime or other group 7 and 12 fungicides before alternation with a fungicide is no in Group 7 or 12. REI: 12-hour. PHI: 0-day. FRAC 07, FRAC 12. Pristine 38WG (boscalid, pyraclostrobin) | 10-15 oz. per acre. REI: 12-hour. PHI: 0-day. FRAC 07, FRAC 11. propiconazole products (propiconazole) | 4 fl. oz. per acre. PropiMax EC and Tilt are labeled. REI: 12-hour. PHI: 14- day. FRAC 03. Quadris Opti (SC) (azoxystrobin, chlorothalonil) | 2.4-3.7 pts. per acre. REI: 12-hour. PHI: 7-day. FRAC 11, FRAC M05. Quilt (SE) (azoxystrobin, propiconazole) | 14 fl. oz. per acre. Other formulations include Cover XL, MiCrop Fungicide, AFrame Plus, Avaris 2XS, Quilt Xcel. REI: 12- hour. PHI: 14-day. FRAC 11, FRAC 03. Rhyme (2.08SC) (flutriafol) | 5-7 fl. oz. per acre. Apply preventively or when conditions are favorable for disease development. Do not apply more than 4 applications per year. REI: 12-hour. PHI: 7-day. FRAC 03. Topguard EQ (SC) (flutriafol, azoxystrobin) | 6.0-8.0 fl. oz. per acre. Not a single application may exceed 8 fl. Oz. of product per acre. Do not apply more than 4 applications per year. REI: 12-hour to 3-day. PHI: 0-day. FRAC 03, FRAC 11.

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