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Imazapyr is a non-selective herbicide used for the control of a broad range of weeds including terrestrial annual and perennial grasses and broadleaved herbs, woody species, and riparian and emergent aquatic species. [1] It is used to control annual and perennial grass and broadleaved weeds, brush, vines and many deciduous trees.
The imidazolinone herbicides were first discovered in the 1970s. The first U.S. patent was awarded in 1980 for imazamethabenz-methyl. Imazaquin, imazapyr, imazapic, and imazethpyr followed suit and received patents in 1989. Imazamox, the last of the six, received its U.S. patent in 1994. [4]
The industry-sponsored Herbicide Resistance Action Committee (HRAC) advises on the use of herbicides in crop protection and classifies the available compounds according to their chemical structures and mechanism of action so as to manage the risks of pesticide resistance developing. [4]
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]
In the same report, it added the "yield loss plus increased herbicide cost may result in an average estimated loss of $28 per acre" if atrazine were unavailable to corn farmers. [4] In 2006, the EPA concluded that the triazine herbicides posed "no harm that would result to the general U.S. population, infants, children or other... consumers." [5]
In 2013 the company opened its co-headquarters office in Davidson, North Carolina, which is located in the Charlotte metropolitan area. The company has expanded to 750 employees at the co-headquarters, with 120 employees making the move to the Carolinas from the Melville office. [8]
There is a pharmaceutical drug on the market, nitisinone, that was originally under development as an herbicide as a member of this class and is used to treat an orphan disease, type I tyrosinemia. HPPD inhibitors can be classified into three fundamental chemical frameworks: pyrazolones, triketones, and diketonitriles.
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