Herbicide label
Sekola 4 F Herbicide Label
Sekola 4 F (EPA 93930-28) is a Group 5 metribuzin herbicide labeled for 13 crops. The label lists 117 controlled weeds, plus partial-control, suppression, and partner-control categories.
Sekola 4 F label facts
- Product Sekola 4 F
- EPA Reg. No. 93930-28
- Registrant Avalaire, LLC
- Active ingredient metribuzin
- MOA group 5
Crops on the Sekola 4 F label
Sekola 4 F is labeled for these 13 crops and uses, per the EPA label.
Weeds on the Sekola 4 F label
The Sekola 4 F label names 159 weeds and rates each by how the product handles it: full control, partial control, suppression, or control with a tank-mix partner. A weed can fall at more than one level, because control varies by crop, rate, and timing.
Controls
full control117- ageratum
- alexandergrass
- amaranth, spiny
- amaranth, spleen
- crotalaria, showy
- foxtail, bristly
- groundsel, cressleaf
- haole koa
- hialoa
- hilahila
- oats, winter
- panicum, broadcast
- richardia
- rocket, london
- tarweed
- amaranth, palmer
- anoda, spurred
- beggarweed, florida
- copperleaf
- crowfootgrass
- dayflower
- galinsoga
- junglerice
- mexicanweed
- millet, browntop
- redweed
- sesbania
- smartweed
- spurge, spotted
- starbur, bristly
- barley, little
- brome, japanese
- pepperweed, virginia
- rescuegrass
- barnyardgrass, common
- ragweed, common
- bindweed, field
- bittercress
- catchfly, conical
- catchweed
- corncockle
- eveningprimrose, cutleaf
- falseflax, smallseed
- fiddleneck
- filaree, redstem
- carolina geranium
- gromwell
- miner's lettuce
- polemonium, annual
- radish, wild
- speedwell
- turnip, wild
- bluegrass, annual
- brome, downy
- cheat
- wild oats
- bromegrass, smooth
- cockle, white
- deadnettle, purple
- fleabane, rough
- flixweed
- foxtail barley
- rocket, yellow
- salsify, meadow
- buckwheat, wild
- buffalobur
- ladysthumb
- mallow, venice
- sandbur, field
- sida, prickly
- velvetleaf
- carpetweed
- sicklepod
- chickweed, common
- chickweed, mouseear
- cocklebur, common
- jimsonweed
- mustard, indian
- panicum, fall
- cowcockle
- crabgrass
- crabgrass, large
- crabgrass, smooth
- dandelion
- dogfennel
- foxtail
- foxtail, giant
- foxtail, yellow
- foxtail, green
- goosegrass
- henbit
- horseweed
- johnsongrass, seedling
- knotweed
- pusley, florida
- knotweed, prostrate
- pineapple-weed
- kochia
- mustard, tansy
- mustard, tumble
- lambsquarters, common
- prickly lettuce
- mustard, blue
- mustard, treacle
- volunteer wheat
- mustard, wild
- pennycress, field
- pigweed
- pigweed, redroot
- pigweed, smooth
- purslane, common
- shepherd's-purse
- signalgrass, broadleaf
- smartweed, pennsylvania
- sowthistle
- sunflower
- thistle, russian
Partial control
partial2- knawel
- dock, curly
Suppression
suppression19- horsenettle
- panicum, texas
- poinsettia, wild
- barley, hare
- blackgrass
- bluegrass, bulbous
- brome, ripgut
- buttercup
- vetch, winter
- whitlowgrass, spring
- windgrass, common
- morningglory, entireleaf
- morningglory, ivyleaf
- morningglory, pitted
- morningglory, tall
- witchgrass
- nightshade, hairy
- nutsedge, yellow
- spurry, corn
Controls with a tank-mix partner
needs partner21- barley
- burcucumber
- smartweed, swamp
- thistle, canada
- cupgrass
- eclipta
- nightshade, eastern black
- poorjoe
- groundsel, common
- ryegrass
- hophornbeam
- senna, coffee
- morningglory, smallflower
- red rice
- sorghum, volunteer
- sprangletop
- stinkgrass
- nightshade, black
- ragweed, giant
- waterhemp, common
- shattercane
Sekola 4 F rates and plant-back
The label answers both with a table, not a single number. Here is what drives each answer.
Application rate
Your rate depends on your crop.
Get the rate for your field: build a program and FieldMarshal gives you the exact per-acre rate for your crop from the label line.
Plant-back and rotation
Your interval depends on your application rate and the rotational crop.
Get the interval for your rotation: build a program and FieldMarshal gives you the exact plant-back for your rotational crop from the label line.
Sekola 4 F FAQ
What weeds does Sekola 4 F control?
The Sekola 4 F label names 159 weeds, including ageratum, alexandergrass, spiny amaranth, spleen amaranth, showy crotalaria, and bristly foxtail. Control varies by crop, rate, and timing.
What crops is Sekola 4 F labeled for?
Sekola 4 F is labeled for 13 crops and uses, including field corn, soybeans, potato, barley, and alfalfa.
What is the active ingredient in Sekola 4 F? Is it a generic?
Sekola 4 F's active ingredient is metribuzin (MOA Group 5). Other products list the same active ingredient; rates, formulations, and labeled crops differ — verify each on its own label.
Sources
Last updated 2026-09-30.