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Dithiopyr is a preemergent herbicide for crabgrass control in turf and ornamental grasses. It is effective on 45 grassy and broadleaf weeds. [1] Dithiopyr inhibits root growth of susceptible weeds as well as turf grass and thus should be used only on established turf with a well-developed root system.
To prevent growth of crabgrass, preemergent herbicides must be applied at a critical time. If they are applied to the soil too early, they get washed too deep into the soil or washed away by rainwater. If they are applied too late, the key enzyme inhibited is no longer active. The best control requires a second application about 6–8 weeks later.
Crabgrass germinates when soil temperatures reach 55 degrees F for a few days. Depending on the temperatures in your area, you may see crabgrass as early as March in some years, says Waltz.
Quinclorac is an herbicide used primarily to control crabgrass. [1] It is found in some household herbicides for lawn use. Most [citation needed] lawn maintenance companies use the product for the control of annual grass weeds like crabgrass. Quinclorac is a synthetic auxin.
Zytron, also known as DMPA, is a chlorophenoxy herbicide. [1] It controls crabgrass and other weeds in turf preëmergently, and ants, chinch bugs and grubs. [2] It is used on baseball pitches in Australia.
Easy Gardener separated from U.S. Home & Garden through a $19.2M sale to a management-led group in 2003. [4] Weatherly Consumer Products was included in this acquisition, and as a part of that same deal, Easy Gardener was also required to take the product line produced by Ampro Industries, Inc. of Grand Rapids, Michigan, which U.S. Home ...
In 2007, glyphosate was the most used herbicide in the United States agricultural sector, with 180 to 185 million pounds (82,000 to 84,000 tonnes) applied, the second-most used in home and garden with 5 to 8 million pounds (2,300 to 3,600 tonnes) and 13 to 15 million pounds (5,900 to 6,800 tonnes) in non-agricultural settings. [8]
Digitaria sanguinalis is a species of grass known by several common names, including hairy crabgrass, [2] hairy finger-grass, [3] large crabgrass, crab finger grass, purple crabgrass. [4] It is one of the better-known species of the genus Digitaria , and one that is known nearly worldwide as a common weed.