Quinstar 200SC Herbicide

Quinstar 200SC Herbicide is for the post-emergence control of Summer Grass, Crab Grass and White Clover as well as the suppression of Kikuyu Grass in certain turf varieties.

Active Ingredient: Quinclorac @ 200g/L

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Quinstar 200SC Herbicide QUINSTAR Adama

Description

Quinstar 200SC Herbicide

Active Ingredient: Quinclorac @ 200g/L

Quinstar 200SC Herbicide is for the post-emergence control of Summer Grass, Crab Grass and White Clover as well as the suppression of Kikuyu Grass in various turf varieties.

Quinclorac is rapidly absorbed through the foliage and translocated throughout the plant. Death of sensitive weeds usually occurs between 1 and 2 weeks after treatment. Kikuyu grass can be suppressed by applying two post-emergence treatments. Best results will be achieved if Kikuyu grass is treated in Autumn.

What weeds does Quinstar 200SC Herbicide target;

Kikuyu Grass (Pennisetum clandestinum) – Suppression only
Summer Grass / Crab Grass (Digitaria spp.)
White Clover (Trifolium repens)

What established turf varieties can Quinstar 200SC Herbicide be used on;

Bentgrass (Agrostis stolonifera) Kentucky Bluegrass (Poa pratensis)
Green Couch (Cynodon dactylon) Marine Couch (Sporobolus virginicus)
Hybrid Couch (Cynodon dactylon x Cynodon transvaalensis) Perennial Ryegrass (Lolium perenne)
Japanese Lawngrass (Zoysia japonica)

What turf species should Quinstar 200SC Herbicide NOT be applied to:

Bahiagrass (Paspalum notatum)
Buffalo grass (Stenotaphrum secundatum)
Carpetgrass (Axonopus spp.)
Centipedegrass (Eremochloa ophiuroides)
Kikuyu grass (Pennisetum clandestinum)
Lawns or turf where desirable clovers are present
Queensland Blue Couch (Digitaria didactyla)

Nb -Caution is advised if used on Hybrid Couch varieties & Bentgrass (Agrostis stolonifera).

Why choose Quinstar 200SC Herbicide;

  • Contains the active ingredient Quinclorac.
  • A unique and high loaded, 200 g/L suspension concentrate formulation. 
  • Comes in a convenient, easy to handle 5 L pack size
  • Effective and efficient control of key grass weeds including Kikuyu and summer grass (crabgrass)
  • Safe across a broad range of warm-season and cool-season turf species.
  • Schedule 5 and non-arsenate based chemistry. 
  • Safer to use than many other grass herbicide options.
  • Unique mode of action on grasses – Group I
  • Both root and shoot absorbed – works regardless of rainfall
  • No tracking issues – unlike most sulfonyl-urea (SU) chemistry used in the market
  • Works faster than sulfonyl-urea (SU) chemistry • Safety around seeding / stolonising operations
  • Improved tank-mix flexibility with other herbicide formulations to extend the spectrum of control
  • Reduced active ingredient output versus arsenate based products used for summer grass and Kikuyu control.

Pack Size: 5-Litre

Registrant: ADAMA Australia Pty Ltd. (APVMA #: 84337)

Turf Herbicide Range

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Features & Benefits

  • Contains the active ingredient Quinclorac.
  • A unique and high loaded, 200 g/L suspension concentrate formulation. 
  • Comes in a convenient, easy to handle 5 L pack size
  • Effective and efficient control of key grass weeds including Kikuyu and summer grass (crabgrass)
  • Safe across a broad range of warm-season and cool-season turf species.
  • Schedule 5 and non-arsenate based chemistry. 
  • Safer to use than many other grass herbicide options.
  • Unique mode of action on grasses – Group I
  • Both root and shoot absorbed – works regardless of rainfall
  • No tracking issues – unlike most sulfonyl-urea (SU) chemistry used in the market
  • Works faster than sulfonyl-urea (SU) chemistry • Safety around seeding / stolonising operations
  • Improved tank-mix flexibility with other herbicide formulations to extend the spectrum of control
  • Reduced active ingredient output versus arsenate based products used for summer grass and Kikuyu control.

Directions Of Use

Situation: Green Couch (Cynodon dactylon), Hybrid Couch (Cynodon dactylon x Cynodon transvaalensis), Japanese Lawngrass (Zoysia japonica), Marine Couch (Sporobolus virginicus), Perennial Ryegrass (Lolium perenne), Bentgrass (Agrostis stolonifera) & Kentucky Bluegrass (Poa pratensis)


Target Weeds: Summer Grass / Crab Grass (Digitaria spp.)

Rate: 4.1 L in 400 Litres of water per hectare

Critical Comments:

  • One application – Weeds at cotyledon stage up to and prior to second tiller OR weeds at 5 tillers and greater
  • Two applications (21 to 28 days apart) – Weeds from 2 to 4 tillers. The addition of a crop oil adjuvant (preferably a methylated seed oil) may improve weed control in unfavourable weather conditions.

Target Weeds: Kikuyu Grass (Pennisetum clandestinum) – Suppression only

Rate: 4.1 L in 400 Litres of water per hectare

Critical Comments:

  • For Kikuyu suppression, apply twice 14 to 21 days apart. Best results are gained from Autumn applications. The addition of a crop oil adjuvant (preferably a methylated seed oil) may improve weed control in unfavourable weather conditions.

Target Weeds: White Clover (Trifolium repens)

Rate: 4.1 L in 400 Litres of water per hectare

Critical Comments: Apply to actively growing weeds.


Tips for Maximising Performance:

  • Clippings from the first three mowings should be returned and not collected from the treated surface.
  • Apply the product to actively growing weeds only.
  • If rain is expected within 48 hours of application, or irrigation within 8 hours of application, avoid application where possible.
  • It is recommended not to mow 2 days before or after Quinstar herbicide application.
  • Quinstar is compatible with DSMA and can be used in combination to extend weed control spectrum
  • The use of a crop oil adjuvant can improve weed control in unfavourable weather conditions. 
  • Autumn applications will maximise Kikuyu suppression achieved.

Rates are a general guide only.  Before opening, carefully read Quinstar 200SC Herbicide directions for use, precautionary and protection statements, storage and disposal, safety directions and first aid instructions.

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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
Bent Grass, Common Couch Lawn Or Turf, Hybrid Couch Grass Turf, Kentucky Bluegrass Lawn Or Turf, Marine Couch - Established, Perennial Ryegrass Turf & Zoysia Grass Turf - Established Kikuyu Grass - Suppression, Summer (Crab Grass) & White Clover

Tips For Use

Restraints:

  • Clippings from the first three mowings should be left on the treated area.
  • Do not apply to any ornamental bed.
  • Do not apply when weeds are not actively growing.
  • Do not apply if heavy rain is expected within 48 hours, or within 8 hours prior to irrigation.
  • Do not apply this product through any type of irrigation system.
  • Do not apply to golf course collars or greens.
  • Do not apply within 4 weeks after seedling emergence of kentucky bluegrass, creeping bentgrass and perennial ryegrass.

Mixing:

  • To ensure even mixing, half fill the spray tank with clean water and add the required amount of product.
  • Agitate thoroughly, then add the remainder of the water.
  • Agitate again before spraying commences.
  • The addition of a crop oil adjuvant (preferably a methylated seed oil) may improve weed control in unfavourable weather conditions.
  • Note: Add the required quantity of Quinstar 200SC Herbicide directly to the tank water, do not mix with water through a filter basket. 
  • Do not make a slurry or paste prior to adding to the tank. Maintain agitation at all times – from mixing to spraying (including spraying times).

Key Application Timing Points:

  • A single application is required at label rate from emergence prior to the second tiller and from 4 tiller onwards.
  • A double application strategy is required from 2 to 4 tillers for adequate control (3 to 4 weeks apart). 

Application:

  • Apply Quinstar 200SC Herbicide to actively growing weeds at the growth stage indicated in the Directions for Use table. 
  • Apply the product in 400L of water per hectare. 
  • Do not apply through any type of irrigation system. 
  • Avoid overlaps during application. 
  • Separate applications should be made if all target weeds are not at the correct growth stage for treatment at the same time. 
  • It is recommended not to mow 2 days before or after applying Quinstar 200SC Herbicide to maximize weed control and minimize turf injury.

Protection Of Crops, Native And Other Non-Target Plants:

  • Do not apply under weather conditions, or from spraying equipment, that may cause spray to drift onto nearby susceptible plants/crops, cropping lands, pastures or native vegetation. 
  • Quinclorac has properties and characteristics associated with chemicals detected in groundwater. 
  • The use of this product where soils are permeable, particularly where the water table is shallow, may result in groundwater contamination.
  • Do not apply to Bahia grass (Paspalum notatum), Centipedegrass (Eremochloa ophiuroides), Buffalo grass (Stenotaphrum secundatum), Kikuyu grass (Pennisetum clandestinum), Queensland Blue Couch (Digitaria didactyla), Carpetgrass (Axonopus spp.), or lawns or turf where desirable clovers are present.
  • Do not apply to ornamental beds or to exposed feeder roots of trees and ornamentals. 
  • Be particularly careful within the drip line of these plants.
  • Do not apply to golf course collars or greens. 
  • Clippings from the first three mowings should be left on the treated area.

Protection Of Wildlife, Fish, Crustaceans And Environment:

  • Do not contaminate streams, rivers or waterways with Quinstar 200SC Herbicide or used containers.

Storage:

  • Store in the closed, original container in a cool, well-ventilated area. 
  • Do not store for prolonged periods in direct sunlight.

Safety Directions:

  • Wash hands after use.

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):

Not applicable when used as directed.

SDS & Technical

Quinstar 200SC Herbicide Label Download Pdf
Quinstar 200SC Herbicide Label APVMA Download Pdf
Quinstar 200SC HerbicideSDS Download Pdf
Quinstar 200SC Herbicide Product Guide Download Pdf

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