DISEASE CONTROL TABLE 3-20. DISEASE CONTROL PRODUCTS FOR LETTUCE AND ENDIVE (cont'd) L. Quesada-Ocampo, Plant Pathologist, North Carolina State University; E. Sikora, Plant Pathologist, Auburn University Minimum Days Disease Powdery mildew Material penthiopyrad (Fontelis) quinoxyfen (Quintec) sulfur (various) FRAC Code 7 Rate of Material Formulation 14 to 24 fl oz/acre Harv. Reentry 0.5 Method, Schedule, and Remarks Begin applications before disease development. DO NOT make more than two sequential applications before switching to a fungicide with a different mode of action. 13 M02 6 fl oz See label 1 See label triflumizole (various) azoxystrobin (various) fluxapyroxad + pyraclostrobin (Merivon 500 SC) myclobutanil (Rally) 40WSP Pythium damping-off mefenoxam (various) metalaxyl (various) propamocarb (Previcur Flex) Rust penthiopyrad (Fontelis) sulfur (various) 3 11 7 + 11 3 4 4 28 7 6 to 8 fl oz/acre 6.2 to 15.4 fl oz/ acre 4 to 11 fl oz/acre 5 oz/acre See label See label 2 pt/acre 14 to 24 fl oz/acre 1 3 - - 2 3 1 See label 0.5 4 hr 0.5 1 2 2 0.5 0.5 Alternate with a fungicide with a different mode of action. Apply at early leaf stage and repeat every 10 to 14 days or as needed. Do not apply if temperatures are expected to exceed 90°F within 3 days of application due to the risk of crop injury. Applications should begin prior to disease development. Repeat on a 14-day schedule. Do not apply more than 18 fl oz per acre per season. Make no more than two sequential applications before alternating with a fungicide with a different mode of action. Make no more than two sequential applications before alternating with fungicides that have a different mode of action. For use on lettuce only. Apply when disease first appears and continue on a 14-day interval. Apply preplant incorporated or surface application at planting. Banded over the row, preplant incorporated, or injected with liquid fertilizer Previcur Plus is only labeled for head and leaf lettuce. Various application methods; see label. Begin applications before disease development. DO NOT make more than two sequential applications before switching to a fungicide with a different mode of action. M02 See labels 14 1 Apply at early leaf stage and repeat every 10 to 14 days or as needed. Do not apply if temperatures are expected to exceed 90°F within 3 days of application due to the risk of crop injury. Sclerotinia boscalid (Endura) Coniothyrium minitans (Contans WG) 7 NA See label 1 to 4 lb/acre 14 0.5 4 hr Begin applications prior to onset of disease. Use higher rate when disease pressure is high. OMRI listed product. Apply to soil surface and incorporate no deeper than 2 inches. Works best when applied prior to planting or transplanting. Do not apply other fungicides for 3 weeks after applying Contans. dicloran (Botran) fludioxonil (Cannonball WP) isofetamid (Kenja) iprodione (Rovral) penthiopyrad (Fontelis) pydiflumetofen + fludioxonil (Miravis Prime) 7 2 7 12.3 fl oz/acre 1.5 to 2 lb/acre 16 to 24 fl oz/acre 14 14 3 0.5 1 0.5 14 12 See label 7 oz/acre 14 0.5 0.5 Rate depends specific crop and timing of application. See label. Ground applications only. Do not apply more than 28 oz/acre per year. Application timing depends on planting method. Make no more than two sequential applications. Only for use on lettuce. Also effective for bottom rot and Botrytis. Use higher rate when disease pressure is high. Begin applications before disease development. Continue on 7 to 14 day intervals. Do not make more than 2 consecutive applications before switching to a fungicide with a different mode of action. 7 + 12 13.4 fl oz/acre 0.5 Application timing depends on planting method. Apply no closer than a 7-day interval. For best results, use a soil-directed spray. MUSKMELON (CANTALOUPE) SEE CUCURBITS 2021 Vegetable Crop Handbook for Southeastern United States 235