Conquest Chlorsulfuron 750 WG Herbicide

Conquest Chlorsulfuron 750 WG Herbicide is a selective, water-dispersible granule for winter cereals.

It contains 750 g/kg chlorsulfuron, a Group 2 sulfonylurea active. Growers use it to control Annual (Wimmera) Ryegrass and broadleaf weeds in wheat, barley, oats, cereal rye and triticale. You can apply it pre-sowing or after crop and weed emergence. It suits croppers who need reliable ryegrass and broadleaf control from a single granule.

Pack Sizes: 1kg. Registrant: Conquest Crop Protection Pty Ltd (APVMA #: 55189)

Click For Technical Info & Tips For Use
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Ordering multiple large items? They will be shipped on a skid or pallet to ensure that your items arrive safely and securely. The delivery truck will need to be unloaded with a forklift. If you do not have a forklift, please provide an address where a forklift is present.

Conquest Chlorsulfuron 750 WG Herbicide CONQUEST-CHLORSULFURON Conquest Crop Protection

Description

Conquest Chlorsulfuron 750 WG Herbicide contains 750 g/kg chlorsulfuron. It controls Annual (Wimmera) Ryegrass and certain broadleaf weeds in winter cereals. Growers apply it across wheat, barley, oats, cereal rye and triticale. Conquest Crop Protection registers this product under APVMA number 55189.

This herbicide belongs to the sulfonylurea group. Therefore, it works through a Group 2 (formerly Group B) mode of action. It inhibits the enzyme acetolactate synthase, or ALS. As a result, treated weeds stop growing quickly and then die.

What Does Chlorsulfuron 750 WG Herbicide Control?

Chlorsulfuron 750 WG Herbicide targets Annual (Wimmera) Ryegrass in wheat and triticale. In addition, it controls many broadleaf weeds across all five cereal crops. These weeds include wild radish, capeweed, Paterson’s Curse and wireweed. Growers can apply it two ways. Firstly, they use it pre-sowing, incorporated by sowing. Secondly, they apply it post-crop and weed emergence.

How to Get the Best Results

The product moves through the leaves and green stems of actively growing weeds. Then it travels into the root system. For post-emergence sprays, always add a non-ionic wetting agent. Moreover, apply before Annual Ryegrass reaches the three-leaf stage. Rain or irrigation within four weeks also improves uptake.

Frequently Asked Questions

Q. Which crops can I use Chlorsulfuron 750 WG Herbicide on?

A. You can use it on wheat, barley, oats, cereal rye and triticale. Pre-sowing use suits wheat and triticale only. Post-emergence use suits all five cereals.

Q. What weeds does it control?

A. It controls Annual (Wimmera) Ryegrass and many broadleaf weeds. Common targets include wild radish, capeweed and wireweed. It also suppresses brome grass and saffron thistle.

Q. Do I need a wetting agent?

A. Yes, for post-emergence sprays. Add a non-ionic surfactant at 100 mL per 100 L of spray. However, skip it if your tank mix already contains a surfactant.

Q. Is there a grazing withholding period?

A. No withholding period applies when used as directed. However, avoid grazing treated areas within 24 hours. This timing gives the best weed control.

Q. Can it affect my next crop?

A. Yes, because it has soil residual activity. Therefore, follow the crop rotation table on the label. Higher soil pH also extends the recropping interval.

Farm Chemical Herbicides Product Range

Features & Benefits

  • Contains 750 g/kg chlorsulfuron, a high-strength Group 2 (sulfonylurea) active.
  • Controls Annual (Wimmera) Ryegrass in wheat and triticale.
  • Controls a wide range of broadleaf weeds across five winter cereals.
  • Works both pre-sowing, incorporated by sowing, and post-crop and weed emergence.
  • Water-dispersible granule that mixes cleanly in the spray tank.
  • Compatible with glyphosate, paraquat, trifluralin and many broadleaf partners.
  • Systemic action moves through the foliage and into the weed roots.
  • Nil grazing withholding period when used as directed.

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Directions Of Use

Click here for Conquest Chlorsulfuron 750 WG Herbicide directions for use.

General Instructions

Conquest Chlorsulfuron 750 WG Herbicide is a water-dispersible granule. Fill the tank partly with water and start full agitation. Then add the required amount and top up to the final volume. Keep the product in suspension with continuous agitation at all times. For post-emergence sprays, add a non-ionic surfactant (1000 g a.c./L) at 100 mL per 100 L of spray. The best weed control follows when rainfall or irrigation wets the soil to 5 to 7.5 cm within four weeks of application.

Restraints

  • Do not spray emerged crops if rain is expected within four hours.
  • Spray within 48 hours of mixing if used alone, or within 24 hours if mixed with another product.
  • Do not apply to plants suffering stress.

Dose Rate — Annual (Wimmera) Ryegrass, Pre-Sowing Incorporated by Sowing (Wheat and Triticale only)

Soil type and pH Rate g/ha
Light to medium soils, pH less than 7 20
Light to medium soils, pH 7.0 to 8.5 15 or 20
Heavy soils, pH 8.5 or less 20

Critical comment: Use the higher rate when paddock history suggests a high weed population.


Dose Rate — Annual (Wimmera) Ryegrass, Post Crop and Weed Emergence (Wheat, Barley, Oats, Triticale, Cereal Rye)

Soil type and pH Rate g/ha
Light to medium soils, pH less than 7 20 or 25
Light to medium soils, pH 7.0 to 8.5 15 or 20
Heavy soils, pH 8.5 or less 20 or 25

Critical comments: Use the higher rate under heavy weed pressure. Apply no later than the 3-leaf stage of Annual Ryegrass. Application to Annual Ryegrass at 2 leaf or greater with water volumes below 50 L/ha may reduce efficacy.


Dose Rate — Broadleaf Weeds

Broadleaf weeds take 15 to 25 g/ha, depending on the species, state and weed pressure. The label lists rates for each species under both application methods. Representative examples appear below. Refer to the label for the complete species list and the states where each weed is registered.

Broadleaf weed Rate g/ha
African Turnip Weed 20
Amsinckia / Yellow Burrweed 15
Wild Radish 15 or 20
Capeweed 15 or 20
Paterson’s Curse / Salvation Jane 15
Deadnettle 15 or 20
Docks 15 to 20
Fumitory 15 or 20
Wireweed / Hogweed 15 to 20
Saffron Thistle (suppression only) 20
Indian Hedge Mustard 15
Three-Cornered Jack / Doublegee 20

Re-treatment Interval

Do not make more than one application of an ALS inhibitor herbicide to a crop, either pre-sowing incorporated by sowing or post-crop and weed emergence.

Critical Comments

  • On acid soils of pH 5.5 or less, capeweed control will be shorter in wet years.
  • Do not use this product on soils of pH 8.6 or higher, because extended soil residues can harm following crops.
  • Crops other than wheat, barley, oats, triticale and cereal rye can be very sensitive to low soil concentrations. Follow the crop rotation recommendations on the label.
  • Some weeds carry state-specific and growth-stage restrictions. Check the label before spraying.

Rates are a general guide only. Before opening, carefully read Conquest Chlorsulfuron 750 WG Herbicide directions for use, precautionary and protection statements, storage and disposal, safety directions and first aid instructions. The product is designed for the particular purpose indicated on the label. Failure to use the product strictly as directed may be illegal and dangerous and render the product ineffective.

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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
Barley - Post Crop & Weed Emergence, Cereal Rye - Post Crop & Weed Emergence, Oats - Post Crop & Weed Emergence, Triticale - Post Crop & Weed Emergence, Wheat - Post & Weed Emergence African Turnip Weed, Amsinckia, Yellow Burrweed Or Burr Grass, Annual Or Wimmera Ryegrass, Ball Mustard, Bifora, Carrot Weed Or Bird's Eye, Black Bindweed, Cape Tulip, Capeweed, Chamomile Or Matricaria, Charlock, Corn Gromwell, Ironweed Or Sheepweed, Deadnettle, Denseflower Fumitory, Dock, Erodium, Crowfoot Or Storksbill, Fat Hen, Hoary Cress Or Whiteweed, Lincoln Weed, Sand Rocket Or Mustard, Mintweed, Mouse-Ear Chickweed, Mustard, New Zealand Spinach, Onion Or Guildford Grass, Paterson's Curse, Pimpernels, Prickly Lettuce, Rough Poppy, Saltbush, Shepherd's Purse, Slender Celery, Soursob Or Oxalis, Spear Or Black Thistle, Stagger Weed, Stemless Thistle, Tree Hogweed, Turnip Weed, Wild Radish Or Radish Weed, Wild Turnip, Wireweed, Knotweed Or Hogweed
Triticale - Prior To Sowing, Wheat - Prior To Sowing African Turnip Weed, Amsinckia, Yellow Burrweed Or Burr Grass, Annual Or Wimmera Ryegrass, Annual Phalaris, Ball Mustard, Barley Grass, Black Bindweed, Brome Grass, Cape Tulip, Capeweed, Charlock, Common Iceplant, Corn Gromwell, Ironweed Or Sheepweed, Deadnettle, Dock, Erodium, Crowfoot Or Storksbill, Fat Hen, Fumitory, Indian Hedge Mustard, Lincoln Weed, Sand Rocket Or Mustard, Loosestrife, Melilotus Or Hexham Scent, Mintweed, Mouse-Ear Chickweed, New Zealand Spinach, Onion Or Guildford Grass, Paradoxa Grass, Paterson's Curse, Pimpernels, Prickly Lettuce, Rough Poppy, Saffron Thistle, Saltbush, Shepherd's Purse, Silvergrass - Aristida Contorta, Slender Celery, Slender, Shore Or Sheep Thistle, Soursob Or Oxalis, Spear Or Black Thistle, Stemless Thistle, Three Cornered Jack Or Doublegee, Tree Hogweed, Turnip Weed, Wild Turnip, Wireweed, Knotweed Or Hogweed

Tips For Use

Mixing Instructions

  • Fill the tank partly with water and engage full agitation before adding the granules.
  • Let the product dissolve fully before you add any companion product.
  • Re-agitate any spray mix that has stood before you use it.
  • The measuring flask supplied reads in grams of chlorsulfuron only. Do not use it for other materials.

Wetting Agent

  • Add a non-ionic surfactant (1000 g a.c./L) at 100 mL per 100 L for post-emergence sprays.
  • Do not add a surfactant when the tank mix already contains one.
  • Spraying oils are not recommended.

Compatibility

  • Compatible with glyphosate and paraquat for direct-drilled crops.
  • Compatible with trifluralin, and with the Wild Oat herbicides Avadex BW, Mataven and Puma Progress.
  • Compatible with bromoxynil, MCPA, 2,4-D amine and ester, Lontrel, Tigrex and Jaguar.

Resistance Management

  • This product is a Group 2 (sulfonylurea) herbicide.
  • Rotate and tank mix with herbicides of a different mode of action on the same weeds.
  • Prevent seed set from any large numbers of surviving weeds.

Crop Safety

  • Use only on cereals. Do not use on cereals irrigated by furrows or flooding.
  • Do not use on winter cereals undersown with legume pasture crops.
  • Do not spray crops under stress, because damage can occur.
  • Some wheat and barley varieties carry specific restrictions. Check the label.

Sprayer Cleanup

  • Clean the sprayer thoroughly after use to protect sensitive crops.
  • Flush the tank, boom and hoses, then use a chlorine bleach rinse as directed on the label.
  • Do not use chlorine bleach with ammonia or ammonium fertilisers.

Storage

  • Store in the closed, original container in a cool, well-ventilated area.
  • Protect from light and do not store in direct sunlight.

Safety Directions

  • Chlorsulfuron 750 WG may cause respiratory irritation.
  • Avoid contact with eyes and skin, and avoid breathing the dust or spray mist.
  • If product contacts the skin, gently brush off excess particles, then wash gently with water for 5 minutes.
  • If product contacts the eyes, brush particles away, then flush with lukewarm running water for 5 minutes.
  • Wash hands after use, and wash contaminated clothing before reuse.
  • Wear impervious elbow-length gloves and eye protection when handling the product.
  • The product is very toxic to aquatic life. Avoid release to the environment and do not contaminate waterways.

First Aid

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

This information and product advice are not intended as 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.

Withholding Period

Withholding Period Details (WHP)

  • Harvest: Not required when used as directed.
  • Grazing: Nil withholding period when used as directed. Avoid grazing treated areas within 24 hours of application to optimise weed control.
  • Export Slaughter Interval (ESI): Not applicable.

SDS & Technical

Conquest Chlorsulfuron 750 WG Herbicide Label Download Pdf
Conquest Chlorsulfuron 750 WG Herbicide SDS Download Pdf

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