Herbicide label

Sekola 4 F

Sekola 4 F (EPA 93930-28) is a Group 5 metribuzin herbicide labeled for 13 crops. The label lists 120 controlled weeds, plus partial-control, suppression, and partner-control categories.

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Official EPA label (PDF)

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.

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Weeds on the Sekola 4 F label

The Sekola 4 F label names 162 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 control120

ageratum
alexandergrass
amaranth, palmer
amaranth, spiny
amaranth, spleen
anoda, spurred
barley, little
barnyardgrass, common
beggarweed, florida
bindweed, field
bittercress
bluegrass, annual
brome, downy
brome, japanese
bromegrass, smooth
buckwheat, wild
buffalobur
carpetweed
catchfly, conical
catchweed
cheat
chickweed, common
chickweed, mouseear
cockle, white
cocklebur, common
copperleaf
corncockle
cowcockle
crabgrass
crabgrass, large
crabgrass, smooth
crotalaria, showy
crowfootgrass
dandelion
dayflower
deadnettle, purple
dogfennel
eveningprimrose, cutleaf
falseflax, smallseed
fiddleneck
filaree, redstem
fleabane, rough
flixweed
foxtail
foxtail barley
foxtail, bristly
foxtail, giant
foxtail, green
foxtail, yellow
fumitory
galinsoga
carolina geranium
goosegrass
gromwell
groundsel, cressleaf
haole koa
henbit
hialoa
hilahila
horseweed
jimsonweed
johnsongrass, seedling
junglerice
knotweed
knotweed, prostrate
kochia
ladysthumb
lambsquarters, common
miner's lettuce
prickly lettuce
mallow, venice
mexicanweed
millet, browntop
mustard, blue
mustard, indian
mustard, tansy
mustard, treacle
mustard, tumble
mustard, wild
wild oats
oats, winter
panicum, broadcast
panicum, fall
pennycress, field
pepperweed, virginia
pigweed
pigweed, redroot
pigweed, smooth
pineapple-weed
polemonium, annual
purslane, common
pusley, florida
radish, wild
ragweed, common
redweed
rescuegrass
richardia
rocket, london
rocket, yellow
salsify, meadow
sandbur, field
sesbania
shepherd's-purse
sicklepod
sida, prickly
signalgrass, broadleaf
smartweed
smartweed, pennsylvania
sorrel, red
sowthistle
speedwell
spurge, spotted
starbur, bristly
sunflower
tarweed
thistle, russian
toadflax
turnip, wild
velvetleaf
volunteer wheat

Partial control

partial2

dock, curly
knawel

Suppression

suppression19

barley, hare
blackgrass
bluegrass, bulbous
brome, ripgut
buttercup
horsenettle
morningglory, entireleaf
morningglory, ivyleaf
morningglory, pitted
morningglory, tall
nightshade, hairy
nutsedge, yellow
panicum, texas
poinsettia, wild
spurry, corn
vetch, winter
whitlowgrass, spring
windgrass, common
witchgrass

Controls with a tank-mix partner

needs partner21

barley
burcucumber
cupgrass
eclipta
groundsel, common
hophornbeam
morningglory, smallflower
nightshade, black
nightshade, eastern black
poorjoe
ragweed, giant
red rice
ryegrass
senna, coffee
shattercane
smartweed, swamp
sorghum, volunteer
sprangletop
stinkgrass
thistle, canada
waterhemp, common

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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 and your soil texture.

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Plant-back and rotation

Your interval depends on your application rate, the rotational crop, and your state, region, and rainfall — some intervals differ in AK, AL, AR, AZ, CA, CO, CT, DC, DE, FL, GA, HI, IA, ID, IL, IN, KS, KY, LA, MA, MD, ME, MI, MN, MO, MS, MT, NC, ND, NE, NH, NJ, NM, NV, NY, OH, OK, OR, PA, RI, SC, SD, TN, TX, UT, VA, VT, WA, WI, WV, and WY.

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 162 weeds, including ageratum, alexandergrass, palmer amaranth, spiny amaranth, spleen amaranth, and spurred anoda. 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.

What's the plant-back interval after Sekola 4 F?

It depends on your rotational crop, application rate, and region, so the label gives a table, not one number. Build a program and FieldMarshal gives you the exact interval for your rotation from the label line, so you can verify it.

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Can I tank-mix Sekola 4 F?

It depends on your target weeds, crop stage, and which partners the label approves. Build a program and FieldMarshal checks the label for approved partners and gives the condition on each, so you can verify it.