The Aussie Lawn
ProForce Duke 100WG Selective Herbicide
ProForce Duke 100WG Selective Herbicide
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ProForce Duke 100WG Selective Herbicide
ProForce Duke 100WG is a selective post emergent herbicide designed to control certain broadleaf weeds and grasses in established turf.
It contains 100g/kg Iodosulfuron-methyl-sodium and is used for listed weeds including Bindii, Black Thistle, Catsear, Cotula, Cudweed, Guildford Grass, Medic, Mouse Ear Chickweed, Oxalis, White Clover, Ryegrass and False Onion Weed when applied as directed. It is also used for suppression of Winter Grass and Bahia Grass.
Duke 100WG is suitable for use on listed turf types including Kikuyu, Buffalo Grass and Couch Grass. It is not for use on Queensland Blue Couch, golf greens or bowling greens.
Best For
Post emergent weed control in established turf
False Onion Weed and Guildford Grass
Bindii, White Clover, Oxalis, Cudweed and Catsear
Ryegrass control in listed turf
Winter Grass suppression
Bahia Grass suppression and seed head reduction
Kikuyu, Buffalo Grass and Couch Grass as directed
Key Benefits
Selective post emergent herbicide
Contains 100g/kg Iodosulfuron-methyl-sodium
Group B herbicide mode of action
Controls selected broadleaf weeds and grasses
Suppresses Winter Grass and Bahia Grass
Useful for difficult weeds such as False Onion Weed
Wettable granule formulation
Available in 50g and 100g pack sizes
For application rates, coverage and use directions, refer to the sections below and always follow the product label before use.
Application Guide
Application Guide
Apply Duke 100WG evenly using a properly calibrated sprayer.
Apply to actively growing weeds and avoid application to weeds or turf under stress. Always apply with a suitable non ionic surfactant or crop oil as directed on the surfactant product label.
Use a water rate of 200 to 500L/ha and ensure complete, even coverage of the target weeds. Do not overlap sprayed areas.
Avoid mowing during the 3 to 4 days before or after treatment. Do not apply if rain is expected within 4 hours.
Do not leave spray mix standing in the tank overnight. Clean spray equipment thoroughly after use before spraying susceptible plants or turf.
Always read and follow the product label before use.
Coverage & Rates
Coverage & Rates
For turf use on listed turf species only:
Winter Grass suppression:
150g/ha
Equivalent rate: 1.5g per 100m²
Ryegrass control:
150g/ha
Equivalent rate: 1.5g per 100m²
Listed broadleaf weeds:
100g/ha
Equivalent rate: 1g per 100m²
False Onion Weed / Fragrant False Garlic / Onion Weed:
25g/ha
Equivalent rate: 0.25g per 100m²
Bahia Grass suppression and seed head reduction:
50g/ha
Equivalent rate: 0.5g per 100m²
Water rate:
200 to 500L/ha
Active constituent:
100g/kg Iodosulfuron-methyl-sodium
Shipping & Pickup
Shipping & Pickup
Fast dispatch available Australia wide. Brisbane customers can save on freight with free pickup from our Rocklea warehouse.
Pickup is available Monday to Friday, 9am to 3pm, excluding public holidays.
Please wait for pickup confirmation before visiting the warehouse.
Important Product Information
Important Product Information
Always read and follow the product label before use.
Use only on established Kikuyu, Buffalo Grass or Couch Grass as listed on the label. Do not use on Queensland Blue Couch, golf greens or bowling greens.
Do not apply to turf that is under stress or not yet established. Do not use if rain is expected within 4 hours. Do not apply by air or through irrigation equipment.
Do not make more than one application of a Group B herbicide in a season except for Bahia Grass as directed on the label.
Do not graze treated turf or feed turf clippings from treated areas to poultry or livestock. Do not use clippings from treated areas as mulch around vegetables or fruit trees.
Keep people and pets off treated areas until the spray has dried. Avoid spray drift onto desirable plants, crops, gardens, landscaping vegetation, native vegetation or protected habitats.
This product will irritate the eyes. Wear suitable gloves and goggles when opening the container and preparing spray. Wash hands after use.
Store safely in the original container in a cool, well ventilated area out of direct sunlight. Keep out of reach of children and pets.
Do not contaminate streams, rivers or waterways with product or used containers. Do not apply outside label directions.
