SKU: 17539901676
propyzamide herbicide label

propyzamide herbicide label Indigo Checkpoint Herbicide 5L. Propyzamide

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Description

propyzamide herbicide label Indigo Checkpoint Herbicide 5L. PropyzamideGroup 3 Herbicide Indigo ProForce Checkpoint 500SC Herbicide is a selective herbicide containing 500g L of the active ingredient Propyzamide. It is specifically registered for the pre and postemergent control of Winter Grass (Poa annua) in established turf, with excellent safety on a range of warm season turf varieties. The low application rates and high active ingredient loading make Checkpoint 500SC Herbicide a useful economical and an effective

Group 3 Herbicide

Indigo ProForce Checkpoint 500SC Herbicide is a selective herbicide containing 500g/L of the active ingredient Propyzamide. It is specifically registered for the pre and postemergent control of Winter Grass (Poa annua) in established turf, with excellent safety on a range of warm season turf varieties. The low application rates and high active ingredient loading make Checkpoint 500SC Herbicide a useful economical and an effective option for Winter Grass control. Offers a shorter term residual pre-emergent option for Winter Grass, with early and midseason applications most effective.

 

Key Features

  • Offers pre & early post-emergent control, ensuring you can’t miss the application window.
  • Offers a shorter-term residual pre-emergent option for Winter Grass, early and mid season. Defined residual period of 6-8 weeks allows flexibility around overseeding / renovation operations.
  • Useful resistance management rotational tool. Reduces reliance on Group 3 chemistry.
  • Root absorbed herbicide. Can be irrigated into the rootzone and still be effective, reducing tracking concerns.
  • Effective in cooler conditions. Unlike SU chemistry, Checkpoint 500SC can be used successfully in winter.
  • Excellent tolerance to warm season grasses. Reliable on warm season turf.
  • Reliable SC formulation. Easier to measure and add to the tank, whilst having useful tank mix flexibility.

 

Maximising Performance:

  • Checkpoint 500SC is most active in coarse to medium textured soils of low organic matter and relatively inactive in peat or muck soils or mineral soils high in organic matter content. Herbicidal activity is best in soils containing less than 4% organic matter. Use in soils with higher organic matter may result in inconsistent or incomplete weed control.
  • Apply during the autumn and winter, if established turf is infested with seedling Winter Grass. Mature Winter Grass plants become more difficult to control, with bio-type differences also impacting on the performance that can be achieved.
  • Ensure a uniform coverage. Irrigate immediately after application with 12-25mm irrigation or rain and again 24 hours later. Repeat treatment if necessary on Queensland Blue Couch after 4 weeks.
  • Checkpoint 500SC breaks down more rapidly in warmer soils. The cooler the soil, the longer the residual control that can be achieved. A drop in soil temperature of 100C, roughly doubles the half-life of propyzamide.
  • Soil moisture is important as Checkpoint 500SC is only absorbed by roots, with no foliar uptake. Without sufficient moisture in the soil, Checkpoint 500SC cannot be taken up by the target weeds.
  • Do not reseed for 60 days after treatment.
  • Use only on established turf.
  • Do not use on Bluegrass, Ryegrass, Fescue or Bent Grass Turf.
  • To enhance herbicide movement into the soil, it is recommended that Checkpoint 500SC be tank mixed with a suitable soil surfactant. Hydrophobic soil conditions can impact upon performance.

 

Weeds Controlled

BROADLEAF WEEDS

  • Blackberry Nightshade (Solanum nigrum)
  • Chickweed (Stellaria media)
  • Portulaca (Portulaca oleracea)
  • Prince Of Wales Feather (Amaranthus hypochondriacus)
  • Shepherd’s Purse (Capsella bursa-pastoris)
  • Nettles (Urtica spp.)
  • Seedling Sorrel (Rumex acetosella)
  • Patterson’s Curse (Echium plantagineum)

GRASSY WEEDS

  • Barnyard Grass (Echinochloa crus-galli)
  • Winter Grass (Poa annua)
  • Ryegrass (Lolium spp.)
  • Summer Grass (Digitaria sanguinalis)
  • Wireweed (Polygonum aviculare)
  • Annual Ryegrass (Lolium rigidum)
  • Barley Grass (Hordeum leporinum)
  • Silver Grass (Vulpia spp.)
  • Prairie Grass (Bromus catharticus)
  • Canary Grass (Phalaris spp.)
  • Great Brome (Bromus diandrus)
  • Squirrel Tail Fescue (Vulpia bromoides)
  • Rats Tail Fescue (Vulpia myuros)
  • Wild Oats (Avena spp.)
  • Perennial Ryegrass (Lolium perenne)
  • Bent Grass (Agrostis spp.)
  • English Couch (Cynodon dactylon)
  • Yorkshire Fog Grass (Holcus lanatus)

These weeds are controlled in lettuce crops, turf and lawns, and legume pastures and seed crops as specified in the label directions.

 

Mode of Action

Checkpoint 500SC is a soil acting, residual herbicide. It’s active ingredient, propyzamide, is readily absorbed by the weed’s root system. It works largely by preventing cell division. Checkpoint 500SC actively restricts cell division by preventing proteins required for spindle fibre production in a process called mitosis. Spindle f ibres are critical in transferring DNA to new cells in the cell division process. As a result, Checkpoint 500SC applications prevent spindle fibres from forming, resulting in the prevention of cell division, leading to a limitation of growth and eventual weed death of susceptible plants. Control may only take a matter of weeks in good growing conditions. However, it can take months where plant growth is limited by temperature and light.

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SKU: 17539901676

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Kenneth Lucas
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Easy way to add balance
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Reloading my Amazon gift card balance has been easy and convenient. I like using it when I want to keep a little money set aside for Amazon orders or make checkout quicker without thinking about which card I want to use. The process is straightforward, the balance shows up fast, and it has been reliable every time I have used it. It is also helpful for budgeting because I can add a set amount and then use that balance for regular purchases. Nothing complicated about it, which is exactly why I like it.
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Reviewed in the United States on May 28, 2026
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Paola Rodriguez
Louisville, US
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Great for Budgeting – Instant Balance and Easy to Use
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I use Amazon’s gift card reload feature to plan my spending. It’s perfect when I know I want to make a purchase but prefer to set the funds aside first. I love that it’s immediate—no worries about pending charges or accidental spending from my card. It gives me peace of mind knowing that when I’m ready to buy, the balance is just sitting there, waiting. Pros: easy to use, instant balance update, helps with budgeting and avoiding overspending Cons: funds are locked into Amazon once reloaded, doesn’t count toward certain account requirements like review eligibility Overall, it’s a convenient and reliable way to manage spending on Amazon, especially if you like having control over your purchases.
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I did this with a pay in 4. It made it super simple for a higher balance.
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I’ve used this to reload my balance a few times, and it’s been simple and reliable. The process is quick, and the funds show up without any delays or issues. It’s a convenient option when you want to control spending or keep purchases separate without using a card each time. Everything is straightforward and easy to manage. I haven’t run into any problems with transactions or balance updates. It’s been consistent every time I’ve used it. Overall, it’s an easy and dependable way to keep funds ready to go without any hassle.
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