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Preemergent herbicides are a form of chemical weed control which prevent germinated weed seedlings from becoming established. In some areas of the world, they are used to prevent crabgrass from appearing in lawns. [1] Preemergent herbicides are applied to lawns in the spring and autumn, to prevent the establishment of weed seeds. They will not ...
Dinitramine is a preëmergent dinitroaniline herbicide incorporated into soil to control weeds for months after. [2] [3] It is no longer approved in the United States, and is not in the European Union, [4] though in Iran it has been used to control annual grasses and broadleaf weeds in cotton and soybeans, [5] as it was in the U.S. as of 1975, [6] where it was also used on sunflower.
Pages in category "Preemergent herbicides" The following 18 pages are in this category, out of 18 total. This list may not reflect recent changes. ...
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.
Trifluralin is a common pre-emergent selective herbicide, a dinitroaniline.With about 14 million pounds (6,400 t) used in the United States in 2001, [3] and 3–7 million pounds (1,400–3,200 t) in 2012, [4] it is one of the most widely used herbicides.
Dimethyl tetrachloroterephthalate (DCPA, with the main trade name Dacthal) is an organic compound with the formula C 6 Cl 4 (CO 2 CH 3) 2.It is the dimethyl ester of tetrachloroterephthalic acid, used as a preemergent herbicide with the ISO common name chlorthal-dimethyl.
Chlornidine is a preemergent herbicide.It is a dinitroaniline used in China [3] and India [4] on soybeans, corn, cotton, sorghum, and peanuts. [1]It is similar to other dinitroanilines and inhibits the emergence of soybeans less than any other dinitroaniline, though it had unimpressive control of velvet-leaf and giant foxtail.
Benfluralin (or Benefin) is a herbicide of the dinitroaniline class. The mechanism of action of benfluralin involves pre-emergent inhibition of mitosis, root and shoot development, [3] same as trifluralin, from which benfluralin was developed in 1963. [4] Shows states where benefin (as Balan DF) is registered (Green) or not (Red).