Herbicide label

Valkos 51 WDG Herbicide Label

Valkos 51 WDG (EPA 34704-1138) is a Group 14 flumioxazin herbicide labeled for 24 crops. The label lists 103 controlled weeds, plus partial-control, suppression, and partner-control categories.

Valkos 51 WDG label facts

Crops on the Valkos 51 WDG label

Valkos 51 WDG is labeled for these 24 crops and uses, per the EPA label.

Weeds on the Valkos 51 WDG label

The Valkos 51 WDG label names 109 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 control103
  • amaranth, palmer
  • amaranth, spiny
  • anoda, spurred
  • barnyardgrass, common
  • beggarweed, florida
  • bindweed, field
  • bluegrass, annual
  • brome, downy
  • volunteer canola
  • carpetweed
  • chamomile, false
  • chickweed, common
  • chickweed, mouseear
  • cockle, white
  • cocklebur, common
  • copperleaf, hophornbeam
  • crabgrass, large
  • crabgrass, smooth
  • croton, tropic
  • crownbeard, golden
  • dandelion
  • deadnettle, purple
  • eclipta
  • eveningprimrose, cutleaf
  • fiddleneck
  • filaree, redstem
  • filaree, whitestem
  • flatsedge, rice
  • fleabane, hairy
  • flixweed
  • foxtail, bristly
  • foxtail, giant
  • foxtail, green
  • foxtail, yellow
  • goosegrass
  • groundsel, common
  • groundsel, cressleaf
  • guineagrass
  • henbit
  • horseweed
  • indigo, hairy
  • jimsonweed
  • johnsongrass, seedling
  • kochia
  • lambsquarters, common
  • prickly lettuce
  • lovegrass, california
  • mallow, common
  • mallow, little
  • mallow, venice
  • mayweed
  • morningglory, entireleaf
  • morningglory, ivyleaf
  • morningglory, pitted
  • morningglory, scarlet
  • morningglory, smallflower
  • morningglory, tall
  • mustard, tansy
  • mustard, tumble
  • mustard, wild
  • nettle, burning
  • nightshade, black
  • nightshade, eastern black
  • nightshade, hairy
  • panicum, fall
  • panicum, texas
  • pennycress, field
  • pigweed, redroot
  • pigweed, smooth
  • pigweed, tumble
  • plantain, broadleaf
  • poinsettia, wild
  • puncturevine
  • purslane, common
  • purslane, horse
  • purslane, rock
  • pusley, florida
  • radish, wild
  • ragweed, common
  • ragweed, giant
  • redmaids
  • redweed
  • rocket, london
  • rocket, yellow
  • ryegrass, italian
  • senna, coffee
  • sesbania, hemp
  • shepherd's-purse
  • sicklepod
  • sida, prickly
  • signalgrass, broadleaf
  • smartweed, ladysthumb
  • smartweed, pale
  • smartweed, pennsylvania
  • smellmelon
  • sowthistle, annual
  • sowthistle, prickly
  • spurge, spotted
  • starbur, bristly
  • thistle, russian
  • velvetleaf
  • waterhemp, common
  • wormwood, biennial

Suppression

suppression3
  • buckwheat, wild
  • cheat
  • dodder

Controls with a tank-mix partner

needs partner3
  • carolina geranium
  • nutsedge, purple
  • nutsedge, yellow

Valkos 51 WDG 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.

Valkos 51 WDG FAQ

What weeds does Valkos 51 WDG control?

The Valkos 51 WDG label names 109 weeds, including palmer amaranth, spiny amaranth, spurred anoda, common barnyardgrass, florida beggarweed, and field bindweed. Control varies by crop, rate, and timing.

What crops is Valkos 51 WDG labeled for?

Valkos 51 WDG is labeled for 24 crops and uses, including field corn, soybeans, wheat, cotton, and sunflower.

What is the active ingredient in Valkos 51 WDG? Is it a generic?

Valkos 51 WDG's active ingredient is flumioxazin (MOA Group 14). 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.