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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 ...
About Wikipedia; Contact us; Contribute Help; Learn to edit; ... Pages in category "Preemergent herbicides" The following 18 pages are in this category, out of 18 total.
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.
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.
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.
Butralin is a preemergent herbicide used to control suckers on tobacco in the United States, [4] [5] Australia, [6] Mozambique and, for food crops also, China. [7] It is a dinitroaniline, first registered in the US in 1976. [8] It was used in the EU until a ban in 2009 due to its exotoxicity. [7] [9]
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.
The names on the list are the ISO common name for the active ingredient which is formulated into the branded product sold to end-users. [1] The University of Hertfordshire maintains a database of the chemical and biological properties of these materials, [ 2 ] including their brand names and the countries and dates where and when they have been ...
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