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2022 Midwest Vegetable Guide

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Okra – Insects Midwest Veg Guide 2022 217 Okra – Diseases Reviewed by Dan Egel – Sept 2021 Recommended Controls Wilt of Multiple Crops - Fusarium Fungus Non-Pesticide Use disease-free seed and transplants. Avoid fields with a history of the disease. Rotate to non-Solanaceous, non- Cucurbit crops for >6 years. Use raised beds and mulch to improve drainage and reduce splashing. Prompt destruction of the finished crop with tillage to rapidly breakdown tissue is an important method to prevent disease build-up. Okra – Insects Reviewed by Laura Ingwell, Marissa Schuh – Sept 2021 Recommended Controls Aphids Pesticide Admire Pro (4.6SC) (imidacloprid) | 1.3-2.2 fl. oz. per acre foliar application, 7-14 fl. oz. per acre soil application. Do not exceed 6.7 fl. oz. per acre per season. REI: 12-hour. PHI: 0- day for foliar applications, 21-day for soil applications. IRAC 04A. Assail 30SG (acetamiprid) | 2.0-4.0 oz. per acre. Do not exceed 16 oz. per acre per season. Allow 7 days between applications. REI: 12-hour. PHI: 7-day. IRAC 04A. Beleaf (50SG) (flonicamid) | 2.8-4.28 oz. per acre. REI: 12- hour. PHI: 0-day. IRAC 29. Closer SC (2) (sulfoxaflor) | 1.5-2 fl. oz. per acre. REI: 12- hour. PHI: 1-day. IRAC 04C. Malathion 5EC (malathion) | Use 5EC and 57EC formulations at 1.5-1.9 pts. per acre. Do not exceed 5 applications per season. Allow 7 days between applications. REI: 12-hour. PHI: 1-day. IRAC 01B. Movento (2SC) (spirotetramat) | 4-5 fl. oz. per acre. REI: 24-hour. PHI: 1-day. IRAC 23. PQZ (1.87SC) (pyrifluquinazon) | 2.4-3.2 fl. oz. per acre. REI: 12-hour. PHI: 1-day. IRAC 09B. Pyganic EC 5.0 II (0.41) (pyrethrins) | Foliar applications: 4.5-15.6 fl. oz. per acre. Soil drench applications (in greenhouses): 0.375 fl. oz. per 1,000 sq. ft. of growing media/soil. Do not exceed 15.61 fl. oz. per acre. Do not reapply within 3 days except under extreme pest pressure. REI: 12-hour. IRAC 03A. OMRI-listed. Sefina Inscalis (0.43DC) (afidopyropen) | 3 fl. oz. per acre. REI: 12-hour. PHI: 0-day. IRAC 09D. Sivanto 200 (1.67SL) (flupyradifurone) | 7-12 fl. oz. per acre foliar application, or 21-28 fl. oz. per acre soil application. REI: 4-hour. PHI: 1-day for foliar application, or 45-day for soil application. IRAC 04D. Torac (1.29SC) (tolfenpyrad) | 17-21 fl. oz. per acre. Do not apply more than 42 fl. oz. per acre per season. Allow 7 days between applications. REI: 12-hour. PHI: 1-day. IRAC 21A, FRAC 39. Transform WG (50) (sulfoxaflor) | 0.75-1.0 oz. per acre. Allow 7 days between applications. REI: 24-hour. PHI: 1- day. IRAC 04C. Caterpillars Pesticide Brigade 2EC (bifenthrin) | For armyworms, fruitworms, and loopers. Use 2EC formulations at 2.1-6.4 fl. oz. per acre and do not exceed 12.8 fl. oz. per acre per season Do not use 10DF, 10WP, or 10WSB formulations as they are not labeled for okra. Allow 7 days between applications. REI: 12-hour. PHI: 7-day. IRAC 03A. RUP. Bt (Bacillus thuringiensis) products for caterpillars (Bacillus thuringiensis aizawai strain ABTS-1857, Bacillus thuringiensis aizawai strain GC-91, Bacillus thuringiensis kurstaki strain ABTS-351, Bacillus thuringiensis kurstaki strain EVB-113-19, Bacillus thuringiensis kurstaki strain SA-11) | For armyworms, fruitworms, and loopers. Various Bt products are available for control of young caterpillars (Agree, Biobit, Dipel, Javelin, etc.). Different Bt subspecies have different control properties. Check labels for rates, timing of application and required safety equipment. REI: 4- hour. PHI: See label. IRAC 11A. Coragen (1.67SC) (chlorantraniliprole) | 3.5-7.5 fl. oz. per acre. For armyworms, fruitworms, and loopers. Can be applied as either a foliar application or via drip chemigation. Chemigation will provide up to 30 days of control. Do not exceed 15.4 fl. oz. per acre per season. REI: 4-hour. PHI: 1- day. IRAC 28.

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