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Rustler 900 WG



APVMA Code :69519/60999 

Active Constituent(s): 900g/L propyzamide
Registered For:


 Commercial use

 Domestic use


For selective control of certain grasses and broadleaf weeds in Canola, Winter Grain Legumes, Legume Seed Crops and Pastures, Oilseed Poppies, Lettuce and Turf.

Chemical Group substituted amide


 SDS (147 KB)

 Label  (103 KB)

General Instructions

Best results are obtained when application is made to a cool wet soil.


Resistance Warning

Rustler 900 WG Herbicide is a member of the amide group of herbicides with diverse sites of action.  For weed resistance management this is a Group D Herbicide. Some naturally occurring weed biotypes resistant to Rustler 900 WG and 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 Rustler 900 WG or Group D Herbicides.

Since the occurrence of resistant weeds is difficult to detect prior to use, FMC accepts no liability for any losses that may result from the failure of Rustler 900 WG 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 FMC representative.


Spray Preparation

Rustler 900 WG is a Water Dispersible Granule formulation to be blended with water and applied as a spray.  Granule formulations are designed to be added to large volumes of water and dispersed slowly under agitation.  When using larger boomsprays and unable to add granules directly to a large volume in the tank via the top of the boomspray, pre-mixing may be necessary as follows:

  • Partly (30%) fill the boomspray tank with water.

  • Slowly add required amount of Rustler 900 WG for the area to be sprayed into a pre-mixing vessel while agitating well.

  • Ensure high water volumes and DO NOT add to the spray tank until the pre-mix is fully dissolved.  This may take several mixes to ensure the correct amount is added to the boomspray tank.

  • Add the pre-mixed Rustler 900 WG into the boomspray tank with the agitation system operating. 

  • Fill up to the correct volume with water. 

  • The mixture must be kept in suspension at all times by continuous agitation.

  • Tank-mixtures should be tested for physical compatibility and efficacy before use. 


DO NOT mix with MCPA.  If tank mixing, Rustler 900 WG must be in suspension before adding other herbicides, insecticides or surfactants.

Wash sprayer thoroughly after use.



Always ensure the sprayer is clean, using a suitable cleaner as directed.  It is recommended that for certain turf situations, up to 100L/ha spray volume is required.


Protection of wildlife, fish, crustaceans and environment

DO NOT contaminate streams, rivers or waterways by cleaning of equipment, disposal of wastes or used containers.


Protection of crop, native and other non-target plants

DO NOT apply to, or allow spray to drift onto crops, pastures or non-target – desirable plants, nor onto agricultural land scheduled for cropping or pasture, as injury to the crop or pasture may occur.


Protection of Livestock

DO NOT graze sheep, cut for stock feed (including poultry and pigs) any treated areas for 25 days after application.



Safety Directions

Harmful if inhaled.  Will irritate the eyes.  Avoid contact with eyes and skin    DO NOT inhale dust.  When opening the container and using the product, wear cotton overalls buttoned to the neck and wrist (or equivalent clothing), elbow-length chemical resistant gloves, face shield or goggles and disposable dust face mask covering mouth and nose.  If product in eyes, wash it out immediately with water.  Wash hands after use. After each day’s use, wash gloves, face shield or goggles and contaminated clothing.


Storage and Disposal

Store in the closed, original container in a dry, cool, well-ventilated area, out of direct sunlight.  Keep from contact with fertilizers, insecticides, fungicides and seeds.  Shake empty box into spray tank.  DO NOT re-use container or dispose of undiluted chemicals on-site.  If not recycling, break, crush or puncture and deliver empty packaging for appropriate disposal 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 container or product. 


DISCLAIMER: This is not the RUSTLER 900 WG label. To view or print the label for this product, click the "MSDS/Label" tab at the top of this page. Always follow label instructions.


For specialist advice in an EMERGENCY only phone 1800 033 111, TOLL-FREE, ALL-HOURS, NATIONWIDE

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