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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 U.S.A., 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.
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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.
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.
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.
This is a list of herbicides. These are chemical compounds which have been registered as herbicides . 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 ]
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]
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