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To mitigate the effects of annual ryegrass toxicity, farmers can move their livestock another, uninfected pasture at first sign of toxicity. [4] Hot water treatments or chemical seed treatments have been used to produce clean seed. [5] Infected pastures can be managed by mowing, herbicide treatments, or burning.
Nitralin is a selective pre-emergent dinitroaniline herbicide [7] that is closely related to trifluralin, and released two years later in 1966.Today it is largely obsolete. It was used in the USA, France and Australia to control annual grasses and broad-leaved weeds, and was applied on vines, crops [8] [9] [10] and tu
[10] [11] Some species, particularly L. temulentum, are weeds which can have a severe impact on the production of wheat and other crops. Annual ryegrass (L. rigidum) is one of the most serious and costly weeds of cropping systems in southern Australia, and herbicide resistance is a frequent problem. [12]
Annual ryegrass toxicity (ARGT) is the poisoning of livestock from toxin contained in bacterially infected annual ryegrass (Lolium rigidum). The toxin is produced by the bacterium Rathayibacter toxicus (formerly Clavibacter toxicus ), which is carried into the ryegrass by the nematode Anguina funesta .
Trifluralin is a common pre-emergent selective herbicide, a dinitroaniline.With about 14 million pounds (6,400 t) used in the United States in 2001, [3] and 3–7 million pounds (1,400–3,200 t) in 2012, [4] it is one of the most widely used herbicides.
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According to Ian Heap, a weed specialist, who completed his PhD on resistance to multiple herbicides in annual ryegrass (Lolium rigidum) in 1988 [189] – the first case of an herbicide-resistant weed in Australia [190] – by 2014 Lolium rigidum was the "world’s worst herbicide-resistant weed" with instances in "12 countries, 11 sites of ...
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