How do I identify torpedo grass?

Asked By: Laudino Mihailovsky | Last Updated: 26th May, 2020
Category: home and garden landscaping
4.6/5 (77 Views . 12 Votes)
Identification. Torpedograss has waxy silver-green leaves that are pointed at the tip. Leaves can be flat or folded and hair is typically present on the surface and around the sheath. Both leaves and stems are stiff and erect.

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Similarly, you may ask, what does torpedo grass look like?

Torpedograss is a perennial that can grow up to 2.5 feet in height. It produces stiff stems with thick, rigid, flat or folded leaf blades. Stems are smooth but the leaves and sheaths are hairy. The color is grayish green.

Also, what causes torpedo grass? Although the plant does produce seed, the seeds are not viable. The weedy grass solely reproduces vegetatively by robust rhizomes. The spread of torpedograss in Louisiana is mainly attributed to the movement of soils infested with torpedograss from the Bonnet Carré Spillway.

Also to know is, what is torpedo grass?

Torpedo grass (Panicum repens) is a perennial that can reach up to 3 ft. (1 m) tall, with long creeping rhizomes, and torpedo-like tips. The leaves are flat or rolled, 10 in. Leaf sheaths can be glabrous or hairy with a membranous ligule covered by short hairs.

Does image kill torpedo grass?

In bermudagrass and zoysia lawns, several applications of the herbicide quinclorac, such as Drive (this is a commercial product) or Image Crabgrass Killer (homeowner version), will do a good job of actually killing the torpedograss with multiple applications. And they do a very good job on other grassy weeds.

18 Related Question Answers Found

Does torpedo grass die in winter?

The grass does not tolerate cold weather and dies back with frost, but its deep rhizomes easily overwinter. Torpedo grass spreads by rhizomes. Hand pulling is not recommended as a method of control because it leaves bits and pieces of the roots and stems behind to grow.

What is the hardest grass to kill?

Bermuda grass (Cynodon dactylon) spreads by underground stems (rhizomes) and aboveground runners (stolons). It seeds pretty aggressively too. Because it's so tough and persistent, most professionals and homeowners use an herbicide (generally glyphosate) to kill it.

What does Asulox kill?

The specialist choice for bracken control is Asulox, which is a selective weedkiller meaning it will control the bracken without killing surrounding grass. For agricultural, forestry and amenity use, the selective weed killer Asulox is best used when the bracken is at waist height or just below.

How do you kill torpedo grass in a lake?

If the water is heavily infested with Torpedograss, depending on the size of your pond or lake, you may need to conduct treatment in sections rather than all at once. Apply the herbicide to an area, possibly in thirds and wait 2 weeks between treatments until you've treated the entire body of water.

What will Quinclorac kill?


Quinclorac 75 DF is a water-soluble selective post-emergent herbicide that kills broadleaf weeds and grasses in tolerant turf species. Treated weeds will show signs of leaf and stem curling or twisting, stunting, change of color from green to white, then to red, before finally dying.

Does Atrazine kill Zoysia grass?

Answer: We cannot recommend that you use any Atrazine product on your zoysiagrass since it will not be labeled as safe to use on this type of grass. A better choice woud be something like Certainty Herbicide which is labeled for post-emergent control of poa annua in both zoysia and centipede grasses.

How do you treat Torpedograss?

There are no herbicides to selectively control torpedograss in other types of lawn grasses, such as St. Augustine grass. You can kill patches of torpedograss with glyphosate (keep this off the desirable grass as much as possible). When the torpedograss is brown, remove it and resod the spot with your lawn grass.

How do you kill nutsedge?

Kill Nutsedge in Your Lawn
You can control nutsedge in your lawn by applying Ortho® Nutsedge Killer Ready-To-Spray. It's effective against newly emerged and established sedges. The weed is yellowed in 1-2 days, and complete kill occurs in 2- 3 weeks.

What is the active ingredient in image herbicide?

Details
Active Ingredient: 3-Quinolinecarboxylic acid, 2-(4,5-dihydro-4-methyl-4-(1-methylethyl)-5-oxo-1H-imidazol-2-yl)-, monoammonium salt 3.3%
Application: Spot Weed Treatment: Mix 2.5 fl. oz. in 1 gal. of water. Spray to wet. Large Area Treatment: Mix 0.8 fl. oz. in 1 gal. of water to cover 200 sq. ft.

How is glyphosate made?


Glyphosate-based herbicides are usually made of a glyphosate salt that is combined with other ingredients that are needed to stabilize the herbicide formula and allow penetration into plants. It is used most heavily on corn, soy, and cotton crops that have been genetically modified to be resistant to the herbicide.

Does Quinclorac kill Goosegrass?

The number one product used to kill crabgrass over the top is quinclorac, and it's about as effective as water in killing goosegrass.

Will Quinclorac kill St Augustine?

As the active ingredient in Crabgrass Killer products now sold in retail outlets, Quinclorac is not the knight in shining armor for owners of St Augustine lawns. While it is certainly a very competent weapon in our weed killing arsenal, it is NOT safe to use on St.

How do you mix Quinclorac 75 DF?

  1. For a broadcast application of Quinclorac 75 DF mix at a rate of 1 pound per acre or 0.367 ounces per 1,000 square feet.
  2. For spot application with Quinclorac 75 DF mix at a rate of 0.367 ounces in 1-2 gallons of water per 1,000 square feet for post emergence spot application of susceptible weeds in tolerant turfgrass.

What will kill torpedo grass?

Glyphosphate: (such as Roundup) is considered the most effective herbicide against torpedo grass, though it kills lawn grass and other plants, too. Protect Waterways: Torpedo grass often grows near and in water. Never use herbicides if the spray can come into contact with waterways.