Weedaway MCPA Sodium Salt 300

Manufacturer
IPCO
Category
Herbicides
Registered until
2026-12-31
Registration number
21933
Active materials
Links

DIRECTIONS FOR USE:
Crop: WHEAT, BARLEY, SPRING RYE, OATS
Treatment Stage: For ground or air application, treat from the 2nd leaf to early flag leaf stage.
Susceptible Weeds: Burdock, Cocklebur, Mustards (except Dog Mustard), Ragweed, Flixweed*, Kochia, Lambsquarters, Russian Pigweed, Shepherd’s Purse, Stinkweed.
*Flixweed susceptible only at seedling stage. Use rates for harder to kill weeds to kill fall germinated flixweed in the spring.

Rates to Use:
Small seedlings, good growing conditions: 1.25 L/ha
Weeds in bud, dry conditions, very heavy infestation: 2 L/ha
Harder to Kill Weeds: Annual Sow Thistle, Bluebur, Blue Lettuce, Canada Thistle*, Peppergrass, Curled Dock, Dog Mustard, Goosefoot, Hempnettle (suppression only), Redroot Pigweed, Russian Thistle, Perennial Sow Thistle*, Leafy Spurge*.
*Top growth control only.
Rates to use on Harder to Kill Weeds:
Small seedlings, growing rapidly, good growing conditions: 2 L/ha
Weeds in bud, dry or cool conditions, heavy infestation: 2.75 L/ha
NOTE: These rates may result in deformities but improved weed control should result in higher yields.
Do not apply more than once per year.

Crop: FLAX (Excluding low-linolenic acid varieties.)
Treatment Stage: For ground or air application. Spray after plants have reached 5 cm in height and before buds appear.
Susceptible Weeds: Burdock, Cocklebur, Mustards (except Dog Mustard), Ragweed, Flixweed*, Kochia, Lambsquarters, Russian Pigweed, Shepherd’s Purse, Stinkweed.
*Flixweed susceptible only at seedling stage. Use rates for harder to kill weeds to kill fall germinated flixweed in the spring.

Rates to Use on Susceptible Weeds:
Small seedlings, growing rapidly: 1.25 L/ha
Weeds in bud, dry or cool weather, heavy infestation: 2 L/ha
Harder to Kill Weeds: Annual Sow Thistle, Bluebur, Blue Lettuce*, Canada Thistle*, Peppergrass, Curled Dock, Dog Mustard, Goosefoot, Hempnettle (suppression only), Redroot Pigweed, Russian Thistle, Perennial Sow Thistle*, Leafy Spurge*.
*Top growth control only.

Rates to use on Harder to Kill Weeds:
Small seedlings, growing rapidly, good growing conditions: 2 L/ha
Weeds in bud, dry or cool weather, heavy infestation: 2.75 L/ha
NOTE: These rates may result in deformities but improved weed control should result in higher yields.
Do not apply more than once per year.

Crop: WINTER WHEAT, FALL RYE
Treatment Stage: For ground or air application. Treat in spring when weeds are small from 2nd leaf to flag leaf stage.
Susceptible Weeds: Burdock, Cocklebur, Mustards (except Dog Mustard), Ragweed, Flixweed*, Kochia, Lambsquarters, Russian Pigweed, Shepherd’s Purse, Stinkweed.
*Flixweed susceptible only at seedling stage. Use rates for harder to kill weeds to kill fall germinated flixweed in the spring.

Rates to Use on Susceptible Weeds:
Small seedlings, growing rapidly: 1.25 L/ha
Weeds in bud, dry or cool weather, heavy infestation: 2 L/ha
Harder to Kill Weeds: Annual Sow Thistle, Bluebur, Blue Lettuce*, Canada Thistle*, Peppergrass, Curled Dock, Dog Mustard, Goosefoot, Hempnettle (suppression only), Redroot Pigweed, Russian Thistle*, Perennial Sow Thistle*, Leafy Spurge*.
*Top kill only.

Rates to use on Harder to Kill Weeds:
Small seedlings, growing rapidly, good growing conditions: 2 L/ha
Weeds in bud, dry or cool weather, heavy infestation: 2.75 L/ha

NOTE: These rates may result in deformities but improved weed control should result in higher yields.
Do not apply more than once per year.

Crop: CORN (field and sweet)
Treatment Stage: For ground application ONLY. Treat when weeds are small until corn reaches 15 cm in height. When corn is taller than 15 cm, a directed spray should be used.
Susceptible Weeds: Burdock, Cocklebur, Mustards (except Dog Mustard), Ragweed, Flixweed*, Kochia, Lambsquarters, Russian Pigweed, Shepherd’s Purse, Stinkweed.
*Flixweed susceptible only at seedling stage. Use rates for harder to kill weeds to kill fall germinated flixweed in the spring.

Rates to Use on Susceptible Weeds:
Small seedlings, good growing conditions: 1 L/ha
Weeds in bud, dry or cool weather, heavy infestation: 1.5 L/ha
Do not apply more than once per year.
For hand harvesting of corn (field and sweet), re-entry is not permitted until 15 days after application. As such, a preharvest interval (PHI) of 15 days after application is required.

Crop: PEAS (Field and Canning)
Treatment Stage: Not recommended in Nova Scotia. Treat when pea vine length is 10 to 20 cm but before flowering begins. Use at least 180 Litres of water per hectare. Do not apply by air.
Susceptible Weeds: Mustards (except Dog Mustard), Ragweed, Flixweed*, Kochia, Lambsquarters, Russian Pigweed, Shepherd’s Purse, Stinkweed.
*Flixweed susceptible only at seedling stage. Use rates for harder to kill weeds to kill fall germinated flixweed in the spring.
Rates to Use on Susceptible Weeds: 1 L/ha
Harder to Kill Weeds: Annual Sow Thistle, Bluebur, Blue Lettuce*, Canada Thistle*, Peppergrass, Curled
Dock, Dog Mustard, Goosefoot, Hempnettle (suppression only), Redroot Pigweed, Russian Thistle*, Perennial Sow Thistle*, Leafy Spurge*.
*Top growth control only.
Rates to use on Harder to Kill Weeds: 1.25 L/ha

Registered for culturesRate
Winter wheat1.25 - 2.75 l
Spring wheat1.25 - 2.75 l
Spring barley1.25 - 2.75 l
Winter barley1.25 - 2.75 l
Spring rye1.25 - 2.75 l
Spring oats1.25 - 2.75 l
Winter oats1.25 - 2.75 l