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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.
Glufosinate is not approved for use as an herbicide in Europe; it was last reviewed in 2007 and that registration expired in 2018. [13] It has been withdrawn from the French market since October 24, 2017 by the Agence nationale de sécurité sanitaire de l'alimentation, de l'environnement et du travail due to its classification as a possible ...
Imazapic is a chemical used as an herbicide. It controls many broad leaf weeds and controls or suppresses some grasses in pasture, rangeland and certain types of turf. It has a half-life of around 120 days in soil. [1] [2] Imazapic is considered an environmental hazard due to its harmful effects on aquatic life. [3]
The triketone herbicides were found to be effective on a wide range of commercially-important weed species and to have both pre- and post-emergence activity. [9] Mesotrione was chosen for development (by Zeneca Agrochemicals under the code number ZA1296) because it controls a wide range of broad-leaved weeds that compete with maize and can also suppress some annual grass weeds that may be ...
Tomato plant affected by aminopyralid herbicide residue from contaminated manure, grown July 2008, Cheshire, UK. Note tightly curled leaves, which is a symptom of aminopyralid contamination. Approval of aminopyralid was subsequently reinstated in the UK on October 6, 2009, as reported by the UK regulatory authority, the Advisory Committee on ...
Metolachlor is a popular herbicide in the United States. [3] As originally formulated metolachlor was applied as a racemate , a 1:1 mixture of the ( S )- and ( R )-stereoisomers. The ( R )-enantiomer is less active, and modern production methods afford a higher concentration of S-metolachlor, thus current application rates are far lower than ...
Bentazon is a selective herbicide as it only damages plants unable to metabolize the chemical. [1] It is considered safe for use on alfalfa, beans (with the exception of garbanzo beans [1]), maize, peanuts, peas (with the exception of blackeyed peas [1]), pepper, peppermint, rice, sorghum, soybeans and spearmint; as well as lawns and turf. [3]
This group of herbicides acts by inhibiting plant acetyl-CoA carboxylase (ACCase), a completely different mechanism of action to that of the auxins. [ 11 ] [ 12 ] Their selectivity for grasses arises because they target the isoform of the enzyme present only in the plastids of these species, making them ineffective on broad-leaf weeds and other ...
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