Issue link: http://read.uberflip.com/i/1431041
Mint – Insects Midwest Veg Guide 2022 213 Rust of Multiple Crops - Puccinia Fungus Pesticide azoxystrobin products (azoxystrobin) | 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 for fresh; 7-day for processed. FRAC 11. chlorothalonil products (chlorothalonil) | Indiana only. Several formulations of chlorothalonil (Bravo, Echo, Equus) are labeled at various rates. See product labels. REI: 12-hour. PHI: 80-day. FRAC M05. Headline (SC) (2.08) (pyraclostrobin) | 9-12 fl. oz. per acre. Additional formulations of Headline may be labeled. REI: 12-hour. PHI: 14-day. FRAC 11. propiconazole products (propiconazole) | 4 fl. oz. per acre. Propimax EC and Tilt are labeled. REI: 12-hour. PHI: 90- day. FRAC 03. Rally 40WSP (myclobutanil) | 4-5 fl. oz. per acre. REI: 24- hour. PHI: 30-day. FRAC 03. Wilt of Multiple Crops - Verticillium Fungus Non-Pesticide Rotate plantings after no more than 3 or 4 years. Use wilt resistant varieties of peppermint. Native spearmint is resistant. Mint – Insects Reviewed by Laura Ingwell, Elizabeth Long – Sept 2021 Recommended Controls Caterpillars The primary caterpillar pests of mint are loopers, cutworms, and the mint root borer. Non-Pesticide The soil-dwelling mint root borer caterpillar can be treated with the commercially-available parasitic nematode, Steinernema carpocapsae. Mix the nematodes with water and apply at a rate that deposits 1 - 1.5 billion nematodes per acre. Pesticide Avaunt (30WDG) (indoxacarb) | 3.5 oz. per acre. For cutworms, and loopers. Do not exceed 14 oz. per acre per season or 4 applications per crop. REI: 12-hour. PHI: 7-day. IRAC 22. 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, cutworms, 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 pest insects controlled before use. Follow label directions for rates, timing of application and required safety equipment. REI: 4-hour. PHI: 0-day. IRAC 11A. Coragen (1.67SC) (chlorantraniliprole) | 3.5-7.0 fl. oz. per acre. For armyworms, cutworms, loopers, and mint root borers. Do not exceed 15.4 fl. oz. per acre season or 4 applications per crop. Allow 14 days between applications. REI: 4-hour. PHI: 3-day. IRAC 28. Entrust SC (2) (spinosad) | For armyworms, cutworms, and loopers. Use 2SC formulations at 4.0-10.0 fl. oz. per acre. Do not exceed 29 fl. oz. per acre per season or 3 applications per crop. Use 80WP formulations at 1.25-3.0 oz. per acre. Do not exceed 9 oz. per acre per season or 3 applications per crop. Allow 4 days between applications. REI: 4-hour. PHI: 7-day. IRAC 05. OMRI-listed. Intrepid 2F (methoxyfenozide) | 10-16 fl. oz. per acre. For armyworms, cutworms, and loopers. Do not exceed 16 fl. oz. per acre per application or 64 fl. oz. per acre per year. REI: 4- hour. PHI: 14-day. IRAC 18. Lannate LV (2.4L) (methomyl) | 3 pts. per acre. For cutworms, and loopers. Do not exceed 6 pts. per acre per crop or 4 applications per crop. REI: 48-hour. PHI: 14-day. IRAC 01A. RUP. Orthene 97 (S) (acephate) | 1 lb. per acre. For cutworms, and loopers. Do not exceed 2 1/8 lbs. per acre per season or 2 applications per season. Allow 7 days between applications. REI: 24-hour. PHI: 14-day. IRAC 01B.