Barricade Herbicide

Barricade Herbicide is for pre-emergent control of weeds for up to 6 months in established turf, garden beds and nursery pots.

Barricade Herbicide is popular for its ease of use and longevity against troublesome weeds such as crowsfoot grass, crab grass, chickweed, creeping oxalis, cudweed and sow thistle.

Active Ingredient: Prodiamine @ 480g/L

Click For Technical Info & Tips For Use
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Barricade Herbicide BARRICADE-HERBICIDE Syngenta

Description

Barricade Herbicide

Active Ingredient: Prodiamine @ 480g/L

Barricade Herbicide is for pre-emergent control of weeds in established turf, garden beds and nursery pots as per the Directions for Use.  Barricade controls susceptible weeds by interfering with cell division in the root tips of newly germinated weeds.

Barricade Herbicide is popular for its ease of use and longevity against troublesome weeds such as crowsfoot grass, crabgrass, chickweed, creeping oxalis, cudweed and sow thistle.

Barricade Herbicide is a non-staining liquid that may be applied as a topical spray to foliage followed by irrigation to wash the product into the growing media, or where canopy density is high as a soil-directed spray.

Barricade controls a wide range of pre-emergent grassy weeds and importantly breaks the germination cycle of Winter Grass (poa annua).

You can trust Barricade to last for up to 6 months so your application window is more flexible.

Barricade Herbicide binds high in the soil profile ensuring turf roots below the barrier are not affected and your turf stays in prime condition.  Barricade as a pre-emergent herbicide works in the topsoil layers. Application targeted towards delivering Barricade close to the soil surface is best suited to ensure optimum results. Barricade needs to be washed in within 7 days after application.

What turf species can Barricade Herbicide be used on;

  • Bahia Grass
  • Buffalo Grass
  • Carpet Grass
  • Common Couch
  • Hybrid Couch
  • Kikuyu
  • Queensland Blue Couch
  • Seashore Paspalum
  • Zoysia

What weed species does Barricade Herbicide target;

African Lovegrass (Eragrostis curvula) Crowsfoot Grass (Eleusine indica) Ryegrass (Lolium perenne)
African Lovegrass (Eragrostis curvula) Cudweed (Gnaphalium spp) Sow Thistle (Sonchus spp)
Bahia Grass (Paspalum notatum) Kentucky Blue Grass (Poa patensis) Summer Grass (Digitaria sanguinalis)
Barnyard Grass (Echinocloa crus-galli) Parramatta Grass (Sporobolus africana) Willowherb(Epilobium ciliatum)
Barnyard Grass (Echinocloa crus-galli) Paspalum (Paspalum dilitatum) Winter Grass (Poa annua)
Crab Grass (Digitaria sanguinalis) Prairie Grass (Bromus wildenowie)
Creeping Oxalis (Oxalis corniculata) Rat’s Tail Fescue (Vulpia myuros)

Why Choose Barricade Herbicide:

  • Contains the active ingredient Prodiamine, a member of the dinitroaniline herbicides.
  • Pre Emergent control for up to 6 months with a single application.
  • Low risk of herbicide to the turf.
  • Mixes completely with water and produces a homogenous easy to apply suspension. 
  • Can be tank-mixed with monument liquid for a complete couch solution for Poa annua control .
  • An economical solution for many grassy weeds including African Lovegrass, Parramatta Grass, Summer Grass, Crab Grass, Crowsfoot Grass and Winter Grass.
  • Flexible application window – well before weeds germinate exempt from poison scheduling.
  • Low odour, non-staining formulation with the flexibility to delay wash-in for a few days if necessary.
  • A complete couch solution for Poa annua control when mixed with Monument Liquid Turf Herbicide.

Barricade Herbicide Pack Sizes: 1L & 5L

Registrant: Syngenta Australia Pty Ltd (APVMA #: 62982)

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Features & Benefits

  • Contains the active ingredient Prodiamine, a member of the dinitroaniline herbicides.
  • Pre Emergent control for up to 6 months with a single application.
  • A low risk of herbicide to turf.
  • Mixes completely with water and produces a homogenous easy to apply suspension. 
  • Can be tank mixed with monument liquid for a complete couch solution for Poa annua control .
  • An economical solution for many grassy weeds including African Lovegrass, Parramatta Grass, Summer Grass, Crab Grass, Crowsfoot Grass and Winter Grass.
  • Flexible application window – well before weeds germinate Exempt from poison scheduling.
  • Low odour, non-staining formulation with the flexibility to delay wash-in for a few days if necessary.
  • A complete couch solution for Poa annua control when mixed with Monument Liquid Turf Herbicide.

Directions Of Use

Application Rates:

Target Weeds: Barnyard Grass, Crab Grass, Crowsfoot Grass, Parramatta Grass, Rat’s Tail Fescue, Summer Grass

Rate: 1 – 3 L/Ha

Method: Soil Applied


Target Weeds: African Lovegrass, Bahia Grass, Kentucky Blue Grass

Rate: 2-3 L/Ha

Method: Soil Applied


Target Weed: Paspalum

Rate: 2 – 4L per Ha

Method: Soil Applied


Target Weed: Winter Grass

Rate: 1-4L per Ha

Method: Soil Applied


Target Weeds: Nursery Weeds

Rate: 4-8L Per Ha

Rates: Low Rate Application

  • 5L Spray Containers mix 40-80mL to treat 100m2
  • 15L Spray Containers mix 120-240mL to treat 300m2
  • 25L Spray Containers mix 200-4000mL to treat 500m2

Method: Soil Application

Rates are a general guide only.  Before opening, carefully read Barricade Herbicide Directions for Use, Precautionary and Protection Statements, Storage and Disposal, Safety Directions and First Aid Instructions.

Questions and answers from customers

    Will Barricade Herbicide work against germinating couch seeds?

  1. Q Will Barricade Herbicide work against germinating couch seeds?
    Asked by Danial on March 17, 2022 8:27 pm
    Answered by the admin

    Barricade Herbicide is registered to be used safely in established Green Couch, Hybrid Couch and Qld Blue Couch varieties.  Do not apply Barricade Herbicide to newly seeded turf.  The application should be delayed until the turf is at least 100% coverage and the root system is developed beyond a 3cm depth.  

  2. I want to use this for crab grass on my lawn. If I have a 5litre sprayer. How many mills of barricade do I add? Thanks
  3. Q I want to use this for crab grass on my lawn. If I have a 5litre sprayer. How many mills of barri...... Read more
    Asked by Xin on January 11, 2022 3:01 pm
    Answered by the admin

    Barricade Herbicide is recommended to be applied via boom application to ensure even coverage across the lawn.  If you have a 5-Litre spray pack, the conversion is 10-30mL Barricade in 10L Water to be evenly applied over 100m2 or 5-15mL per 5L Water over 50m2.

  4. My lawn has bits and pieces of all grasses! I am spraying for clover at the moment. But I have Goose grass - and annual grass. Will it kill most our lawn? Any tips would be helpful please?
  5. Q My lawn has bits and pieces of all grasses! I am spraying for clover at the moment. But I have Go...... Read more
    Asked by Rosie Erlandsen on November 24, 2021 11:29 am
    Answered by the admin

    Goosegrass and Crowsfoot Grass are very similar and closely related.  They are both of the Eleusine genera of plants and are common weeds in Australian lawns over spring and summer.  They are unlikely to kill your lawn, however, are unsightly and will continue to spread as they set more seed. There are selective herbicides registered to remove these species (such as Tribute Herbicide) however they are very specific to the types of turf they can be used in which is mainly couch species.  The use of pre-emergent herbicides is recommended prior to the germination of these grass weeds and they are effective at providing ongoing residual control.  The pre-emergent herbicides are available in liquid (Spartan & Barricade) and granules (Freehand & Ronstar).   Always check the products label to ensure the herbicide you use is safe to use in the type of turf you have.  Please call Specialist Sales sales office on 1800780317 if more technical information is required.

  6. Hey...how does Barricade Herbicide go with animals? Dogs, Cats and Chickens.
  7. Q Hey...how does Barricade Herbicide go with animals? Dogs, Cats and Chickens.
    Asked by Craig Scott on October 1, 2021 1:22 pm
    Answered by the admin

    Barricade Herbicide has a withholding period that states "Do not graze treated turf/lawn or feed turf/lawn clippings from any treated area to poultry or livestock".  Hence if you have animals that either produce by-products (ie chickens eggs, cows milk etc) for human consumption or plan on using the animal for human consumption, this withholding period applies.  This also applies to animals that may be used for this purpose in the future due to the residual effect from the herbicide.

    In regards to removing pets and livestock from the area, the best practice is to remove all animals while spraying and keep them away until the chemical has dried before reentry.  A period of approx 8-24 hours should be adequate.

    As our advice is general in nature we recommend speaking with the manufacturer of Barricade Herbicide (Syngenta Australia on Phone: 1800 022 035) if further clarification is required.

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Disclaimer: This information and product advice is not intended to be advice or recommendations for any specific use or circumstance. You should seek specialist advice before using any product. Always follow the manufacturer’s guidelines. Specialist Sales liability is limited.

Host & Pest

Host Pest
Host & Pest
Bahia Grass - Established, Buffalo Grass - Established, Carpet Grass - Established, Common Couch Lawn Or Turf, Hybrid Couch, Kikuyu - Established, Queensland Blue Couch - Established, Saltwater Couch & Zoysia Grass Turf - Established African Lovegrass, Bahia Grass, Barnyard Or Water Grass, Crowsfoot Grass, Kentucky Bluegrass, Parramatta Grass, Paspalum, Silver Grass Or Rat's-tail Fescue, Summer Or Crab Grass, Winter Grass
Garden Bed & Nursery Stock In Pots Or Field African Lovegrass, Barnyard Or Water Grass, Chickweed, Creeping Oxalis, Crowsfoot Grass, Cudweed, Paspalum, Prairie Grass, Ryegrass, Silver Grass Or Rat's-tail Fescue, Sow Or Milk Thistle, Summer Grass, Summer Or Crab Grass, Willowherb, Winter Grass

Tips For Use

General Instructions:

  • Barricade is a selective pre-emergent herbicide that provides residual control of weeds in established turf, garden beds and potted plants. 
  • Barricade controls susceptible weeds by interfering with cell division in the root tips of newly germinated weeds.

Turf:

  • Barricade is safe to use on established turf species listed in the directions for use. 
  • In the case of bahia grass, barricade will be safe to use on existing turf swards where established bahia grass plants can be tolerated or are desirable. 
  • Barricade will only control newly germinating seed of bahia grass after it has been sprayed. 
  • Weed control in turf is most effective when barricade is activated by at least 6 mm of rainfall or irrigation before weed seeds germinate and within 7 days after application.
  • Garden beds under mulch and potted plants weed control in garden beds and potted plants is most effective when barricade is activated by irrigation immediately post-application and before weed seeds germinate.

Application (Turf):

  • Do not apply with aircraft or through any type of irrigation equipment.
  • Apply prior to weed emergence in early spring (summer weeds) or late summer to early autumn (Poa annua).
  • Ensure product placement as close to soil surface as possible. 
  • Total application volume should not be lower than 500 L/ha. 
  • Use extremely coarse droplets eg Air Induction 08 nozzles, use strainers with no less than a 50-mesh rating. 
  • Wash in with at least 6 mm rain or irrigation within 7 days of application.
  • Spray nozzles should be uniformly spaced and of the same size, and should provide accurate and uniform application. 
  • To ensure accuracy, calibrate sprayer at the beginning of the season before use and recalibrate frequently. 
  • Apply at a volume of greater than 500L water/ha. Observe sprayer nozzles frequently during the spraying operation to ensure that the spray pattern is uniform. 
  • Avoid overlapping of spray runs. 
  • Ensure that boom height for broadcast application does not exceed 50 cm above the leaf blades of the turf. 
  • Avoid application under conditions when uniform coverage cannot be obtained or when spray drift may occur.

Restraints:

  • Do not blend barricade onto dry fertiliser or any other granular material.
  • Do not apply with aircraft or through any type of irrigation equipment.
  • Do not apply to turf under stress.
  • Do not apply to golf course putting greens or bowling greens.
  • Do not apply to newly seeded, sodded or sprigged turf. Delay application until turf is at 100% cover and root system is developed beyond a 3 cm depth.
  • Do not apply to garden beds over the top of mulch.
  • Do not apply to recently re-potted or newly potted seeds, cuttings, divisions or plants.
  • Allow a period of establishment within which a substantial root system can be developed.
  • Do not apply if heavy rain has been forecast within 48 hours.
  • Do not apply to waterlogged soil.
  • Do not irrigate to the point of runoff within 3 days of application.
  • Do not apply to turf which is not well established.

Compatibility:

  • As formulations of other manufacturers’ products are beyond the control of syngenta, and water quality varies with location, all mixtures should be tested prior to mixing commercial quantities.
  • Barricade is compatible with monument liquid.

Replanting interval:

Turf

  • Do not replant any crop, ornamentals or overseed with cool season grasses for winter cover to treated areas for a period of 6 months after application.

Garden beds and nursery pots

  • Do not plant seeds in treated soil for 6 months after application.

Precautions:

  • Re-entry Period
  • General Public: Do not allow public entry into treated areas until the spray has dried.
  • Grounds Staff / Professional Operators: Do not enter into treated areas until spray has dried, unless wearing cotton overalls buttoned to the neck and wrist (or equivalent clothing) and chemical resistant gloves. 
  • Clothing must be laundered after each day’s use.

Storage:

  • Keep out of reach of children
  • Store in the closed, original container in a cool, well ventilated area. 
  • Do not store for prolonged periods in direct sunlight.

Safety Directions:

  • Repeated exposure may cause allergic disorders. Sensitive workers should use protective clothing.
  • When opening the container, preparing spray and using prepared spray wear:
  • cotton overalls buttoned to the neck and wrist (or equivalent clothing)
  • elbow-length chemical resistant gloves

If applying by high pressure hand wand, wear:

  • cotton overalls, over normal clothing, buttoned to the neck and wrist
  • a washable hat
  • elbow length chemical resistant gloves
  • If products on skin, immediately wash the area with soap and water.
  • Wash hands after use.
  • After each day’s use, wash gloves and contaminated clothing.

First Aid:

  • If poisoning occurs contact a doctor or Poisons Information Centre. Phone Australia 131 126.
  • For further information, refer to the Safety Data Sheet (SDS).

Withholding Period

Withholding Period Details (WHP): 

  • Do not graze treated turf/lawn or feed turf/lawn clippings from any treated area to poultry or livestock.

SDS & Technical

Barricade Herbicide Label (APVMA) Download Pdf
Barricade Herbicide Label Download Pdf
Barricade Herbicide Label SDS Download Pdf
Barricade Herbicide TechSheet - Turf Download Pdf
Barricade Herbicide Brochure - Landscape & Garden Beds Download Pdf
Barricade Herbicide Brochure - Nurseries Download Pdf

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