---
title: Label - Syngenta Barricade Pre-emergent Herbicide - 180919
canonical: https://fernland.com.au/documents/808/
dateModified: 2026-07-12 07:55:09
summary: Product Label
type: label
---

# Label - Syngenta Barricade Pre-emergent Herbicide - 180919

> Product Label

READ SAFETY DIRECTIONS BEFORE OPENING OR USING

[Logo: Barricade Herbicide]
[Logo: Syngenta]

ACTIVE CONSTITUENT: 480 g/L PRODIAMINE

GROUP D HERBICIDE

For pre-emergent control of weeds in established turf,
garden beds and nursery pots as per the Directions for
Use

Syngenta Australia Pty Ltd
Level 1, 2-4 Lyonpark Road, Macquarie Park NSW 2113

In a transport emergency dial 000, Police or Fire Brigade
For specialist advice in an emergency only, call  (24 hours)

APVMA Approval No: 62982/100350
Item number
Date code

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DIRECTIONS FOR USE

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

Spray Drift Restraints
DO NOT apply with spray droplets smaller than a COARSE spray droplet size category according to
“APVMA Compliance Instructions for Mandatory COARSE or Larger Droplet Size Categories” located under
this title in the GENERAL INSTRUCTIONS section of this label
DO NOT apply when wind speed is less than 3 or more than 20 kilometres per hour as measured at the
application site
DO NOT apply during surface temperature inversion conditions at the application site
DO NOT apply with a nozzle height greater than 50 cm above the ground
Users of this product MUST make an accurate written record of the details of each spray application within
24 hours following application, and must KEEP this record for at least 2 years. The spray application details
that must be recorded are:
1. Date with start and finish times of application
2. Location address and paddock(s) sprayed
3. Full name of this product
4. Amount of product used per hectare and number of hectares applied to
5. Crop or situation and weed or pest
6. Wind speed and direction during application
7. Air temperature and relative humidity during application
8. Nozzle brand, type, spray angle, nozzle capacity and spray system pressure measured during application
9. Name and address of person applying this product
Additional record details may be required by the state or territory where this product is used

Mandatory No-Spray Zones
DO NOT apply if there are aquatic and wetland areas including aquacultural ponds, surface streams and
rivers within 120 metres downwind from the application area
DO NOT apply if there are sensitive crops, gardens, landscaping vegetation, protected native vegetation or
protected animal habitats within 20 metres downwind from the application area
DO NOT apply if using Monument® Liquid Turf Herbicide and BARRICADE tank mix for control of winter
grass if non-target vegetation is within 60 metres downwind from the application area

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| Situation | Weeds | Rate | Critical Comments |
| :--- | :--- | :--- | :--- |
| Established turf
Bahia Grass (Paspalum notatum),
Buffalo Grass (Stenotaphrum secundatum),
Carpet Grass (Axonopus affinis, Axonopus compressus),
Common Couch (Cynodon dactylon),
Hybrid Couch (Cynodon dactylon x Cynodon transvaalensis),
Kikuyu (Pennisetum clandestinum),
Qld Blue Couch (Digitaria didactyla),
Seashore Paspalum (Paspalum vaginatun),
Zoysia (Zoysia japonica, Zoysia matrella) | Barnyard Grass (Echinocloa crus-galli),
Crab Grass (Digitaria sanguinalis),
Parramatta Grass (Sporobolus africana),
Rat’s Tail Fescue (Vulpia myuros),
Summer Grass (Digitaria sanguinalis) | 1 to 3 L/ha | Apply prior to weed emergence in early spring for residual control of up to 6 months.
A repeat application (3 to 4 months after initial application) may be needed if lower rates are used in high weed pressure situations or during extended germination periods due to environmental conditions.
Refer to Application section for detailed information. |
| | Crowsfoot Grass (Eleusine indica) | | Apply prior to weed emergence in early spring.
For residual control of up to 4 months use 1 to 2 L/ha.
For residual control of up to 6 months use 2 to 3 L/ha.
A repeat application (3 to 4 months after initial application) may be needed if lower rates are used in high weed pressure situations or during extended germination periods due to environmental conditions.
Note: Crowsfoot Grass germinates later than Crab Grass and/or Summer Grass. In situations with multiple weeds present use higher rates to ensure adequate residual control.
Refer to Application section for detailed information. |
| | African Lovegrass (Eragrostis curvula),
Bahia Grass (Paspalum notatum),
Kentucky Blue Grass (Poa patensis) | 2 to 3 L/ha | Apply prior to weed emergence in early spring.
Residual control of up to 6 months.
A repeat application (3 to 4 months after initial application) may be needed if lower rates are used in high weed pressure situations or during extended germination periods due to environmental conditions.
Refer to Application section for detailed information. |
| | Paspalum (Paspalum dilitatum) | 2 to 4 L/ha | |
| | Winter Grass (Poa annua) | 1 to 2 L/ha | In the presence of emerged Poa annua plants
Tank mix with 225 mL/ha of Monument Liquid and 0.25% v/v non-ionic surfactant and apply during late summer to early autumn for residual control of up to 6 months.
In the absence of emerged Poa annua
Apply as solo product.
A repeat application (3 to 4 months after initial application) may be needed if lower rates are used in high weed pressure situations or during extended germination periods due to environmental conditions.
Refer to Application section for detailed information. |
| | | 4 L/ha | In areas where post-emergent herbicides for Poa annua control may pose a high risk of tracking or off site damage (ie greens surrounds, slopes on high side of greens, etc)
Apply prior to weed emergence in late summer to early autumn for residual control of up to 6 months.
A repeat application (3 to 4 months after initial application) may be needed in high weed pressure situations or during extended germination periods due to environmental conditions.
Refer to Application section for detailed information. |

---

| Situation | Weeds | Rate | Critical Comments |
| :--- | :--- | :--- | :--- |
| Garden beds (under mulch) and potted plants in nurseries, public open spaces and residential or commercial gardens | Nursery weeds such as
African Lovegrass (Eragrostis curvula),
Barnyard Grass (Echinocloa crus-galli),
Chickweed (Ceratium glomeratum),
Crab Grass (Digitaria sanguinalis),
Crowsfoot Grass (Eleusine indica),
Creeping Oxalis (Oxalis corniculata),
Cudweed (Gnaphalium spp),
Paspalum (Paspalum dilatatum),
Prairie Grass (Bromus wildenowie),
Rat’s Tail Fescue (Vulpia myuros),
Ryegrass (Lolium perenne),
Sow Thistle (Sonchus spp),
Summer Grass (Digitaria ciliaris),
Willowherb(Epilobium ciliatum),
Winter Grass (Poa annua) | 4 to 8 L/ha | Apply prior to weed emergence for residual control of up to 4 months in potted plants and 6 months in garden beds under mulch. Use higher rates in situations of high weed pressure or for difficult to control weeds.
Apply the product to garden beds and wash in before applying mulch so that the herbicide reaches the soil.
DO NOT apply using spraying equipment carried on the back of the user.
DO NOT apply using low pressure hand wand.
Refer to Application section for detailed information. |

NOT TO BE USED FOR ANY PURPOSE, OR IN ANY MANNER, CONTRARY TO THIS LABEL
UNLESS AUTHORISED UNDER APPROPRIATE LEGISLATION

WITHHOLDING PERIOD: DO NOT GRAZE TREATED TURF/LAWN OR FEED TURF/LAWN CLIPPINGS
FROM ANY TREATED AREA TO POULTRY OR LIVESTOCK

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.

Mixing
Add the required quantity of BARRICADE directly to a spray tank containing 2/3 of the required spray
volume. Add the rest of the water and ensure the mix is thoroughly agitated before application.
Monument Liquid Tank Mix for Turf
Add Monument Liquid and non-ionic surfactant after BARRICADE, then add the rest of the water and ensure
the mix is thoroughly agitated before application. Refer to Monument Liquid label for specific mixing
instructions.

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 500 L 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.

---

Monument Liquid Tank Mix for Turf
Ensure even product placement. Total application volume should be 400 to 800 L/ha. Use coarse droplets eg
Air Induction 08 nozzles. Wash in with at least 6 mm rain or irrigation within 7 days after application. Refer to
Monument Liquid label for specific application instructions.
Garden Beds and Potted Plants
DO NOT apply with aircraft or through any type of irrigation equipment
DO NOT apply over the top of existing mulch
Apply prior to weed emergence. Ensure product placement as close to soil surface as possible. Total
application volume should not be lower than 500 L/ha. For best results use extremely coarse droplets eg Air
Induction 08 nozzles, use strainers with no less than a 50-mesh rating. When used on garden beds or potted
plants wash in immediately with minimum 3 mm rain or irrigation. Consideration must be given to the impacts
of foliage and canopy densities on placement of herbicide in the soil. Where canopy densities may pose a
problem, use higher total application volumes and higher wash in volumes.

APVMA Compliance Instructions for Mandatory COARSE or Larger Droplet Size Categories
These instructions inform users of this chemical product how to lawfully comply with the requirement of a
COARSE or larger spray droplet size category for spray application.
Spray droplet size categories are defined in the ASAE S572 Standard (newer name may also be shown as
ASABE) or the BCPC guideline. Nozzle manufacturers may refer to one or both to identify droplet size
categories, but for a nozzle to comply with this requirement, the manufacturer must refer to at least one.
Complying with the label requirement to use a specific droplet size category means using the correct
nozzle that will deliver that droplet size category under the spray operation conditions being used.
The APVMA has approved only the following specific methods for choosing the correct nozzle. Use
one of the methods specified in these instructions to select a correct nozzle to deliver a COARSE or
larger droplet size category.
Mandatory instructions for ground applications for COARSE droplet size or larger categories
USE ONLY nozzles that the nozzles’ manufacturer has rated to deliver a COARSE, a VERY COARSE or
an EXTREMELY COARSE droplet size category as referenced to ASAE S572 or BCPC. Choose a
nozzle specified to provide the droplet size required in the label Spray Drift Restraints.
DO NOT use a higher spray system pressure than the maximum the manufacturer specifies for the
selected nozzle to deliver the droplet size category required in the label Spray Drift Restraint.

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.

Clean up
After tank mixing with Monument Liquid refer to the Monument Liquid label for spray tank cleaning
instructions.

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.

Herbicide Resistance Warning GROUP D HERBICIDE
BARRICADE Herbicide is a member of the dinitroaniline group of herbicides and has the tubulin formation
inhibitor mode of action. For weed resistance management this product is a Group D herbicide. Some
naturally occurring weed biotypes resistant to BARRICADE and other Group D herbicides may exist through
normal genetic variability in any weed population. The resistant individuals can eventually dominate the weed
population if these herbicides are used repeatedly. These resistant weeds will not be controlled by
BARRICADE or other Group D herbicides. Since the occurrence of resistant weeds is difficult to detect prior
to use, Syngenta Australia Pty Ltd accepts no liability for any losses that may result from the failure of
BARRICADE to control the resistant weeds. Advice as to strategies and alternative treatments that can be
used should be obtained from your local supplier, consultant, local Department of Agriculture, Primary
Industries Department or a Syngenta representative.

Integrated Pest Management
The possible effects of BARRICADE on integrated pest management (IPM) strategies in the turf industry
have not been studied at the proposed rates. However, based on available information, it cannot be ruled out
that BARRICADE may have an adverse effect on non-target beneficial turfgrass invertebrates where such
IPM is practised.

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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.

PROTECTION OF CROPS, NATIVE AND OTHER NON-TARGET PLANTS
DO NOT apply or drain or flush equipment on or near native or non-target trees or other plants or on areas
where their roots may extend or in locations where the chemical may be washed or moved into contact with
their roots.

PROTECTION OF WILDLIFE, FISH, CRUSTACEANS AND ENVIRONMENT
Very toxic to aquatic life. DO NOT contaminate wetlands or watercourses with this product or used
containers.

STORAGE AND DISPOSAL
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. Triple rinse containers before disposal. Add rinsings to spray
tank. DO NOT dispose of undiluted chemicals on site. If recycling, replace cap and return clean containers to
recycler or designated collection point. If not recycling, break, crush or puncture and deliver empty packaging
to an approved waste management facility. If an approved waste management facility is not available, bury
the empty packaging 500 mm below the surface in a disposal pit specifically marked and set up for this
purpose, clear of waterways, desirable vegetation and tree roots, in compliance with relevant local, state or
territory government regulations. DO NOT burn empty containers or product.

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 product on skin, immediately wash 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

MATERIAL SAFETY DATA SHEET
If additional hazard information is required refer to the Material Safety Data Sheet. For a copy phone 1800
067 108, or visit our website at  or

DISCLAIMER
This product complies with the specifications in its statutory registration. Implied terms and warranties are
excluded. Syngenta’s liability for breach of the express or any non-excludable implied warranty is limited to
product replacement or purchase price refund. The purchaser must determine suitability for intended purpose
and take all proper precautions in the handling, storage and use of the product including those on the label
and/or safety data sheet failing which Syngenta shall have no liability.

Product names marked ® or ™, the ALLIANCE FRAME
the SYNGENTA Logo and the PURPOSE ICON
are Trademarks of a Syngenta Group Company