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Rimsulfuron

Rimsulfuron is a herbicide of certain grasses, annual broadleaf weeds and perennial broadleaf weeds and is also particularly effective for the management of glyphosate-resistant weed species such as ryegrass and marestail/horseweed.

 

Rimsulfuron is a herbicide of certain grasses, annual broadleaf weeds and perennial broadleaf weeds and is also particularly effective for the management of glyphosate-resistant weed species such as ryegrass and marestail/horseweed.  It is applied as a foliar spray and absorbed through the plants leaves and translocated to the growing point of the plant. Rimsulphuron acts by inhibiting the action of acetolactate synthase (ALS), also known as acetohydroxyacid synthase (AHAS). Without this enzyme the plant cannot produce specific amino acids (isoleucine, leucine and valine) thereby preventing protein formation.  This effectively prevents growth at the growing points of the plant, namely the apical meristem and root tip.  This enzyme is only found in plants – making the have a very low toxicity for animals and man.   Rimsulfuron can be applied to cropland for potatoes and forage maize.  It is effective on grasses including barnyard grass, quackgrass and crab grass as well as other weeds such as marestail/horseweed, fleabane, filaree, foxtail and dandelion.  The speed at which plans metabolise rimsulfuron differs, meaning some plants are more sensitive to this compound  than others. It is not selective and rotation crops can be sensitive to the product.

Agchem access sells rimsulfuron as Caesar containing 250 g/kg rimsulfuron as a water soluble granule.

Other companies sell rimsulfuron as the following products: Agrotech-Rimsulfuron25 WG, Clayton Bramble, Clayton Nero, Emporer, Rigid, RouteOne Empera 25, Tarot and Titus.

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