Sempra Herbicide (Halosulfuron)

Sempra Halosulfuron 750wg Herbicide is for the selective, post-emergence control of nutgrass in sugarcane, corn or maize and sorghum and for the selective post emergence control of nutgrass and mullumbimby couch in turf.

Active Ingredient: Halosulfuron-Methyl @ 750g/kg

Similar or Equivalent to: Nutless (Axichem), Sedgehammer (Amgrow), Halosulfuron Herbicide (Apparent) & Nut-Buster (FMC)

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Sempra Herbicide (Halosulfuron) SEMPRA Nufarm

Description

SEMPRA HERBICIDE

Active Ingredient: Halosulfuron-Methyl @ 750g/kg

Similar or Equivalent to: Nutless (Axichem), Sedgehammer (Amgrow), Halosulfuron Herbicide (Apparent) & Nut-Buster (FMC)

Sempra Halosulfuron 750wg Herbicide is for the selective, post-emergence control of nutgrass in sugarcane, corn or maize and sorghum and for the selective post emergence control of nutgrass and mullumbimby couch in turf.

  • Stop Nutgrass in its tracks with Sempra Halosulfuron 750wg Herbicide. 
  • Sempra Halosulfuron 750wg Herbicide controls nutgrass and Mullumbimby couch in turf, cotton, sorghum, maize and sugarcane. It is a highly concentrated, easy to use granular herbicide.
  • Sempra Halosulfuron 750wg Herbicide is a dry flowable granule which disperses in water.
  • Sempra Halosulfuron 750wg Herbicide can be used for selective postemergence control of Nutgrass in Sugarcane, Corn/Maize and Sorghum and for the selective postemergence control of Sempra and Mullumbimby couch in Turf.  
  • Sempra Halosulfuron 750wg Herbicide may also be used for the control of Nutgrass in Cotton using shielded sprayers.

PACK SIZES: 25gm, 100gm & 500gm

REGISTRANT: Nufarm Australia Pty Ltd (APVMA # 56620)

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Features & Benefits

  • Contains the active ingredient Halosulfuron
  • Concentrated selective herbicide 
  • Easy to use granular herbicide which disperses easily with water.
  • Controls Nutgrass and Mullumbimby couch
  • Suitable for most lawn species
  • 25g Bottle Covers up to 1,923 m2 (Turf)
  • 100g Bottle Covers up to 7,692 m2 (Turf)
  • 500g Bottle Covers up to 38,460 m2 (Turf)

Directions Of Use

DIRECTIONS FOR USE:

Turf / Lawn mixing rate for Nutgrass control:

Established Turf (Bent grass, Buffalo grass, Carpet grass, Couch, Couch hybrid, Durban grass, Kikuyu grass, Perennial Ryegrass, Queensland blue couch & Tall Fescue  – mix 1.3 g in 10L of water (plus surfactant) per 100 square metres (refer to Directions of Use before use)

Other crop situations:

Mix 65gm – 130gm per Ha (plus surfactant.).  Apply at least 80L of Water per Ha. – Refer to Directions of Use application directions.

MIXING: 

Sempra Halosulfuron 750wg Herbicide is a dry flowable granule that disperses in water. Add the measured amount gradually to a part-filled spray tank while maintaining continuous bypass agitation. Add the surfactant near the end of the filling process to avoid excessive foaming. Remove the hose from the mixing tank immediately after filling to avoid siphoning back into the water source. If allowed to stand, ensure that the mixture is thoroughly agitated before re-commencing spraying. Use the mixture within one day.

(Refer to directions of use for full application and mixing instructions prior to use)

SURFACTANT ADDITION:

Sempra Halosulfuron 750wg Herbicide must be applied with a non-ionic surfactant to ensure uptake.  Use 200mL per 100L water of a 600g/L non-ionic surfactant or equivalent (ie Reactor 600 or Agral 600).  For hand-gun or knapsack application, add surfactant at 20mL per 10L water.

Sempra Herbicide Label

Host / Pest & Dosage Information

Host Pest
Host & Pest
Bent Lawn Or Turf, Buffalo Grass Lawn Or Turf, Carpet Grass Lawn Or Turf, Common Couch Lawn Or Turf, Durban Grass, Hybrid Couch Grass Turf, Kikuyu Grass Lawn Or Turf Perennial, Ryegrass Turf, Queensland Blue Couch & Tall Fescue Mullumbimby Couch & Nutgrass
Cotton-shielded Or Directed Application, Irrigated Cotton-shielded Sprayer Application, Maize, Sorghum & Sugar Cane Nutgrass

Sempra Halosulfuron 750wg Herbicide should be applied to actively growing weeds when new growth has reached a minimum of 5cm of new leaf growth for Nutgrass or 2cm for Mullumbimby couch. Apply follow-up treatments if sufficient new growth warrants retreatment. Irrigation or rainfall within two hours of application will reduce control. Drought stress after treatment may also reduce control.

Symptoms of weed control are a gradual yellowing of foliage and seed heads followed by desiccation. Initial symptoms may take 7-10 days to be noticeable, with full effects occurring 4 to 6 weeks after treatment.

RESTRAINTS:

  • Do not apply more than 200 g/ha per season.
  • Do not apply after the onset of frosts.
  • Do not apply this product through any type of irrigation system.
  • Do not apply if heavy rain is expected within 48 hours.
  • Do not apply to paddocks where there is a high risk of weeds resistant to group B herbicides.
  • Do not make more than one application of a group B herbicide per season. 

Sempra Halosulfuron 750wg Herbicide is compatible with Glyphosate, Diclofop-Methyl, Dicamba/MCPA and Bromoxynil/MCPA mixtures and amine formulations of 2,4-D.  Read and follow all label directions, restraints, plant-back periods, withholding periods, regional use restrictions and safety directions for the tank mix products.

Tank mixing with paraquat or ametryn may result in reduced weed control.

Organophosphate insecticides should not be tank-mixed or applied 7 days prior or 3 days after application of Sempra Herbicide, as severe crop injury may result. 

PLANT BACK INTERVALS:

The following crops may be planted at specific time intervals following application of approved rates of Sempra Herbicide in approved situations. Use the time intervals listed below to determine the required time interval before planting.

Crop Plant back interval after the last application of Sempra Herbicide
Corn/Maize, Sorghum and Sugarcane

2 months

Wheat

3 months

Cotton

4 months

All other crops (except Sugarbeet)

24 months

Sugarbeet

36 months

PROTECTION OF CROP, NATIVE AND OTHER NON-TARGET PLANTS:

Avoid spraying of non-target vegetation. In turf, do not use clippings from treated areas for mulching around vegetable or fruit trees. Do not apply under weather conditions, or from spraying equipment, that may cause spray to drift onto nearby susceptible plants/crops, cropping lands or pastures. After spraying, the first flush irrigation tailwater or stormwater run-off from land treated with Sempra Herbicide should be prevented from entering waterways. Where farms do not have the capacity to retain run-off, do not irrigate to the point of run-off for at least 6 days after application.

PROTECTION OF LIVESTOCK, WILDLIFE, FISH, CRUSTACEA, THE ENVIRONMENT AND OTHERS:

Do not contaminate dams, rivers, or streams with the product or used container. Do not feed grass clippings from treated areas to poultry or other livestock or allow grazing of treated  turf.  Keep people and pets off treated areas until the spray solution has dried. Sempra Herbicide is very highly toxic to duckweed. 

WITHHOLDING PERIOD DETAILS (WHP):


HARVEST: 

Turf: Do not use clippings from treated areas for mulching around vegetables or fruit trees. Do not feed grass clippings from treated areas to poultry or other livestock. 

All other crops: Not required when used as directed. 


GRAZING:

Sorghum: Do not graze livestock or cut for fodder or forage for four (4) weeks after treatment. 

Turf: Do not allow grazing of treated turf. 

Pasture: Do not graze livestock or cut for fodder or forage for ten (10) weeks after treatment. 

All other crops: Not required when used as directed.

Sempra Herbicide Label (Text) Download Pdf
Sempra Herbicide Label Download Pdf
Sempra Herbicide SDS Download Pdf
Sempra Herbicide Calibration for Flat Boom or Boomless Nozzle Srpayers Download Pdf

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