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2022 Midwest Vegetable Guide

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Legumes – Diseases Midwest Veg Guide 2022 197 Harvesting Fresh or Snap Beans and Fresh Peas: Harvests can take place every few days once plants start producing pods that are of the desirable size. More picking generates more flowers and more pods later. Bush-type beans are commonly machine harvested and sorted with a once-over pass. Time from seeding to harvest ranges from 50 to 60 days for beans, or 60- 70 days for peas. Dry Peas and Dry Beans: Harvests can take place as once- over harvests when pods are dry. Machine harvests should take place before noon when plants are slightly damp to avoid pod shatter. Time from seeding to harvest ranges from 70 to 120 days for beans, or 80 to 100 days for peas. Southern Peas and Lima Beans: Target harvests for fresh products when the seeds are succulent, and the pods are juicy. When the first beans are ready plants can be hand harvested for fresh product about once per week. A once-over harvest is used for dry seeds. Time from seeding to fresh harvest ranges from 60 to 70 days for southern peas, or 60 to 90 days for lima beans. For dried seeds, time from seeding to harvest can be over 100 days. Legumes – Diseases Reviewed by Dan Egel – Sept 2021 Recommended Controls Anthracnose of Legumes - Colletotrichum Fungus Non-Pesticide Beans (Dry), Southern Peas/Cowpeas | Use disease-free seed. Rotate to non-host crops for 3 years. Varieties with partial resistance are available, depending on the race of the pathogen. Prompt destruction of the finished crop with tillage to rapidly breakdown tissue is an important method to prevent disease build-up. Pesticide Aproach (2.08SC) (picoxystrobin) Beans (Dry), Peas (Dry) | 6-12 fl. oz. per acre. REI: 12-hour. PHI: 14-day. FRAC 11. Aprovia Top (difenoconazole, benzovindiflupyr) Beans (Dry), Peas (Dry) | 10.5-11 fl. oz. per acre. A spreader sticker is recommended. REI: 12-hour. PHI: 14-day. FRAC 03, FRAC 07. azoxystrobin products (azoxystrobin) Beans (Dry), Beans (Fresh), Lima Beans, Peas (Dry), Peas (Fresh), Southern Peas/Cowpeas | Rates depend on formulation and product. 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. REI: 4-hour. PHI: 0-day for fresh legumes, 14-day for dry legumes. FRAC 11. chlorothalonil products (chlorothalonil) Beans (Dry), Beans (Fresh), Peas (Dry), Peas (Fresh), Southern Peas/Cowpeas | Several formulations of chlorothalonil (Bravo, Echo, Equus) are labeled at various rates. See label for directions. REI: 12-hour. PHI: 7-day for fresh legumes, 14-day for dry legumes. FRAC M05. Fontelis (1.67SC) (penthiopyrad) Beans (Dry), Beans (Fresh), Lima Beans, Peas (Dry), Peas (Fresh), Southern Peas/Cowpeas | 14-30 fl. oz. per acre. Rates above 20 fl. oz. per acre are for fresh legumes only. REI: 12-hour. PHI: 0-day for fresh legumes, 21-day for dry legumes. FRAC 07. Headline (SC) (2.08) (pyraclostrobin) Beans (Dry), Beans (Fresh), Lima Beans, Peas (Dry), Peas (Fresh), Southern Peas/Cowpeas | 6-9 fl. oz. per acre. REI: 12-hour. PHI: 7-day for fresh. 21-days for dry. FRAC 11. Priaxor (fluxapyroxad, pyraclostrobin) Beans (Dry), Beans (Fresh), Lima Beans, Peas (Dry), Peas (Fresh), Southern Peas/Cowpeas | 4-8 fl. oz. per acre. REI: 12-hour. PHI: 7-day for fresh legumes, 21-day for dry legumes. FRAC 07, FRAC 11. propiconazole products (propiconazole) Beans (Dry), Beans (Fresh), Lima Beans, Southern Peas/Cowpeas | 4 fl. oz. per acre. PropiMax EC and Tilt are labeled. REI: 12-hour. PHI: 7-day for fresh legumes. FRAC 03. Quadris Opti (SC) (azoxystrobin, chlorothalonil) Beans (Dry) | 1.6-2.4 pts. per acre. REI: 12-hour. PHI: 14-day. FRAC 11, FRAC M05. Quadris Top (SC) (azoxystrobin, difenoconazole) Beans (Dry), Peas (Dry) | 12-14 fl. oz. per acre. REI: 12-hour. PHI: 14-day. FRAC 11, FRAC 03. Quilt (SE) (azoxystrobin, propiconazole) Beans (Dry), Beans (Fresh), Southern Peas/Cowpeas | 14 fl. oz. per acre. REI: 12-hour. PHI: 7-day for fresh legumes, 14-day for dry legumes. FRAC 11, FRAC 03. Topsin 4.5FL (thiophanate-methyl) Beans (Dry), Beans (Fresh), Lima Beans, Peas (Dry), Peas (Fresh), Southern Peas/Cowpeas | Rates depend on formulation and product. Use 4FL formulation or Cercobin at 20-40 fl. oz. per acre, or 70WSB formulation at 1-2 lb. per acre. REI: 24-hour to 3- day. PHI: 14-day for fresh legumes, 28-day for dry legumes. FRAC 01.

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