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Flazasulfuron

Flazasulfuron is a broad-spectrum herbicide discovered in the 1980s, from the chemical class sulfonylurea. Flazasulfuron is a selective systemic herbicide for effectively controlling weeds on open land.

 

Flazasulfuron is a broad-spectrum herbicide discovered in the 1980s, from the chemical class sulfonylurea. Flazasulfuron is a selective systemic herbicide for effectively controlling weeds on open land.  It can be applied as a foliar spray or as a soil treatment.  It is absorbed through the roots or leaves of plants and translocated through the xylem and phloem to the meristematic growing points of the plant. The mode of action of flazasulfuron is the inhibition of the enzyme acetolactase synthase (ALS), which results in the inhibition of amino acid synthesis, cell division and ultimately plant growth.  Flazasulfuron can be used on both pre-emergent weeds and post-emergent weeds. Growth ceases within hours of the application of the compound. Symptoms include leaf discolouration, desiccation, necrosis and ultimately plant death within 20 – 25 days of application.  The selective nature of flazasulfuron is due to different plants ability to metabolise the compound into inactive substances.  Flazasulfuron has a broad spectrum of activity, attacking both annual and perennial weeds, specifically a number of broad-leaved weeds, grasses and sedges.  Flazasulfuron is used on open land such as hard surfaces (railway ballast only), natural surfaces not intended to bear vegetation, permeable surfaces and overlying soil.

Flazasulfuron is sold in 25% w/w water soluble granules. For supply of flazasulfuron please contact Agchem Access directly.

Flazasulfuron was developed by ISK as the product Chikara and Chikara weed control. Other products sold containing flazasulfuron are Clayton Apt, Paradise, PureFlazasul and Railtrax.

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