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What is Dithiopyr?
Dithiopyr is the active ingredient found in the popular herbibcide Dimension, among others. As an herbicide it is considered preemergent meaning that it is only effective if applied before the target weeds emerge. One of the common uses of dithiopyr is to prevent crabgrass from popping up in the spring.
How does Dithiopyr work? (Mode of Action)
Dithiopyr controls weeds by disrupting microtubules which are neccessary for plant growth, so essentially the target weeds are not able lto grow. It is important to make the distinction that pre-emerent herbicides do not destroy weeds entirely but rather prevent growth. That is why they must be applied annually to retain the desired effects.
Dimension Herbicide is a specialty preemergent herbicide containing dithiopyr. When applied early it effectively prevents the growth of control of crabgrass, crabgrass, goosegrass, chickweed, spurge and Poa annua. Dimension is appropriate for both residential and commercial lawns. Dimension is also proven effective for use on golf courses, sports turf, landscape ornamentals, container- and field-grown nursery ornamentals, commercial sod farms, and noncrop areas including roadsides.
Dithiopyr is toxic to fish but non-toxic to birds. Products containing dithiopyr typically will carry instructions to keep the chemical away from water supplies and areas of runoff so as not to contaminate water.
Products Containing Dithiopyr
Hi-Yield Weed and Grass Stopper with Dimension Herbicide
Dimension 2EW Herbicide
Hi Yield Turf & Ornamental Weed and Grass ...
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We sell professional do it yourself pest control (diy), exterminator and
extermination insecticide, pesticide, chemical and bug killer treatment
products to spray, eliminate and exterminate pests.
Many of our products are not available in stores
such as Home Depot, Walmart or Lowes.