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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Exchange/Return Notes
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SKU: 17539901676

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Reviewed in the United States on February 11, 2026
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SirTW
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★★★★★ 5
Sleek, upscale and supremely comfortable
Size: 9, Color: Cognac
I did not know that Marc Joseph makes hands free slip ins. I own four pair of Skechers, and I thought they were the only game in town. I decided that I wanted a pair of business casual pair of wingtips. I already own two pair of Skechers Mark Nason wingtips in blue and black nubuck, so I bought a pair of their cognac colored. Perfectly fine shoes, but when they arrived, I didn't like the color, so the search was on! I found these cognac-colored Mark Joseph's and hands down, they fit the bill for what I was looking for! I actually bought two more pair of Skechers in the brown family in the same oxford, elastic lace style: One pair of another style of their Mark Nason line and one pair of their Garza line. So now I am comparing three pair of Skechers to the Marc Joseph's. Obsessive, I know :). Luckily, I have a Skechers store near me for easy returns. The look I was going for is a sleek, business casual that I could dress up or down. Three things that I love about the Marc Joseph's are the beautiful cognac finish: the white yet lower profile soles and the more formal, narrower toe style. The MJ's nailed it with the color. They have a slightly darker, more lustrous and glossier look than the others. The color alone looks classier and pairs well with black pants which I wear for work almost every day. The white soles are exactly what I was looking for. The visible rise is probably about a third of the thickness of the others and are a much more subtle, classier look. They offset the cognac color nicely but are not that in your face, sneaker looking, thick white sole. When I was comparing them to the others right out of the box, I thought they would be too narrow and tight because they looked sleeker and narrower than the others. But they fit perfectly and were very comfortable right out of the box. Upon closer inspection and comparison, I realized the narrower, sleeker look is because the eyelets for the elastic shoelaces are closer together that give the illusion that the shoe is narrower. They compensate for what might create a tighter fit across the top of your foot with two stretchy "gores" they are called on either side of the upper part. The "slits" are nicely finished, and you can't see the stretchy part and add a nice design touch to the shoe. But between them and the elastic shoelaces, they must stretch just enough to make them extremely comfortable across the top. So, if you have a high instep/arch, they should accommodate it nicely. Last but not least, they are very comfortable shoes. I wear a size 8 1/2 to 9 and my foot is slightly on the wide side. I bought the size 9's and they fit perfectly. If you are between sizes or have wider feet, you may want to size up a half size. Because the Skechers have much thicker soles, they might be slightly more cushioned, but the MJ's are cushioned more than enough for my purposes and very comfortable. Plus, they actually just feel better on my feet. I can't speak to how durable they will be as I just got them, but so far, so good. So, there you have it. I rely on other people's reviews a lot when buying online, and especially for shoes. I know it's always a crap shoot, particularly when buying shoes online, so I hope this review helps. Everybody's feet are different, but I highly recommend these.
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Reviewed in the United States on March 15, 2025
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