Table 13.2. Herbicides approved for managing weeds in peppers. (continued)
Labels change frequently. Be sure to read a current product label before applying any chemical.
Active ingredient Trade name MOA
lb. a.i./A product/A code Weeds controlled / remarks
S-metolachlor (Dual Magnum) 7.62 EC 15 Annual broadleaves, grasses and suppression of yellow/purple nutsedge. Label is a Third-Party Registration
(TPR, Inc.). Use without a signed authorization and waiver of liability is a misuse of the product. Apply to the
60 day PHI.
0.64 - 0.95 0.67 - 1.0 pt.
Napropamide (Devrinol) 2-XT 15 Annual broadleaves. Apply to bed tops after forming beds but before plastic application. Rainfall or overhead
irrigate to 1 in. within 24 hr. of application. For row middle treatments, do not apply between bloom and
harvest and do not exceed 2 lb. a.i./A per crop cycle.
1.0 - 2.0 2-4 quarts
(Devrinol DF XT) 50 DF
4-8 lb.
(Goal 2 XL) 2 EC 14 Broadleaves. Apply as a preemergence broadcast to preformed beds or banded treatment. 30 day pre-
0.25 - 0.5 1 - 2 pt. transplant interval. Mulch may be applied any time during the 30-day interval.
(GoalTender) 4 E
0.5 - 1.0 pt.
Paraquat (Gramoxone) 2 SL 22 Emerged broadleaf and grass weeds. Apply as a preplant burndown treatment. Surfactant recommended.
0.5 - 1.0 2.0 - 4.0 pt. Consult label for new restrictions.
(Firestorm) 3 SL
1.3 - 2.7 pt.
Pelargonic acid (Scythe) 4.2 EC Emerged broadleaves and grasses. Apply as a preplant burndown treatment. Product is a contact,
nonselective, foliar applied herbicide with no residual control. May be tank mixed with soil residual
compounds
3 - 10% v/v
Pendimethalin (Prowl H20) 3.8 3 Annual broadleaves and grasses. May be applied to row middles or under the plastic. Do not exceed 3.0
0.48 - 0.72 1.0 - 1.5 pt. pt./A per year. 70 day PHI.
(ET Herbicide) 0.208 EC 14 Emerged broadleaves less than 4 in. tall or rosettes less than 3 in. diameter. Apply as a preplant burndown
0.001 - 0.003 treatment. Nonionic surfactant or crop oil concentrate recommended.
Sulfentrazone Willowood Sulfentrazone
0.09
with less than 1% organic matter.
3 Annual broadleaves and grasses. Incorporate 4 in. or less within 8 hr. of application. Results in Florida are
14 Broadleaves, grasses, and nutsedge. Apply under the plastic mulch or in row middles. Do not use on soils
erratic on soils with low organic matter and clay contents. Note label precautions against planting noncrops
within 5 months. Do not apply after transplanting. 60 day PHI.
0.5 - 0.75 1.0 - 1.5 pt.
5.0 - 7.5 lb.
*** POSTEMERGENCE / POSTTRANSPLANT ***
Carfentrazone (Aim) 2.0 EC 14 Emerged broadleaves. Apply as hooded application to row middles only. May be tank mixed with other
oil concentrate is recommended. 0 day PHI.
up to 0.031
Clethodim (Arrow, Select) 2 EC 1 Perennial and annual grasses. Use higher rates under heavy grass pressure or larger weeds. Surfactant or
0.09 - 0.13 crop oil concentrate recommended. Consult label. 20 day PHI.
(Select Max) 1 EC
0.07 - 0.13
Diquat (Reglone Dessiccant) 22 Broadleaves and grasses. Apply to row middles only. Maximum of 2 applications per season. Prevent drift to
0.5 1 qt. crop. Nonionic surfactant recommended. 30 day PHI.
Halosulfuron 2 Broadleaves and yellow/purple nutsedge. Apply to row middles only. Do not exceed 2 oz./A per 12 month
0.024 - 0.05 0.5 - 1.0 oz. period. Nonionic surfactant recommended. 30 day PHI.
Imazosulfuron (League) 75 DF 2 Broadleaves and yellow/purple nutsedge suppression. Pepper must be well established and 10 in. tall. Direct
sprays to base of stem and avoid contact with leaves or fruit. Do not exceed 6.4 oz./A per crop season.
Observe crop rotation restrictions. Nonionic surfactant recommended. 21 day PHI.
0.19 - 0.30 4.0 - 6.4 oz.
S-metolachlor (Dual Magnum) 7.62 EC 15 Annual broadleaves, grasses and yellow/purple nutsedge. Label is a Third-Party Registration (TPR, Inc.).
Use without a signed authorization and waiver of liability is a misuse of the product. Direct spray solution to
row middles only with minimal contact to plants and plastic. Do not exceed 1.68 pt. Dual Magnum/A per crop.
60 day PHI.
0.95 1.0 pt.
Paraquat (Gramoxone) 2 SL 22 Emerged broadleaves and grasses. Direct spray over emerged weeds 1 to 6 in. tall in the row middles
between mulched beds. Use low pressure and shields to control drift. Do not apply more than 3 times per
season. Nonionic surfactant recommended. Consult label for new restrictions.
0.5 2 pt.
(Firestorm) 3 SL
1.3 pt.
Pelargonic acid (Scythe) 4.2 EC Emerged broadleaves and grasses. Direct spray to row middles. Product is a contact, nonselective, foliar
3 - 10% v/v applied herbicide with no residual control. May be tank mixed with several soil residual compounds.
Pendimethalin (Prowl H20) 3.8 3 Broadleaves and grasses. May be applied post transplant to row middles if previously untreated. Do not
0.48 - 0.72 1.0 - 1.5 pt. exceed 3.0 pt/A per year. 70 day PHI.
2019 Vegetable Production Handbook of Florida 225