Chilean needle grass is an extremely invasive grassy weed. Potential Distribution of Chilean needle grass (Nassella neesiana) in Victoria (Nox) Toggle navigation. Reference site check; 25/11/2020: 10:30 AM: Pitchers Lane, Clunes: 24.6: NE: 1.8: 0: Dry: Yes: 30: 0: High number of males flying for a small area. Chilean needle grass is a master of disguise. As each square metre of infestation produces up to 12,000 seeds, it can quickly degrade native grasslands and pastures. Preventing the invasion of Chilean needle grass is the cheapest and most effective means of control. Leaves glabrous or sparsely pubescent; blade flat or somewhat inrolled, to 30 cm long and 5 mm broad; ligule glabrous, to 3 … Chilean needle grass (Nassella neesiana) is a perennial tussock-forming grass, native to South America. Chilean needle grass is easiest to identify when it’s flowered. A Search. Victoria. Wallaby and Chilean Needle grass. 1992; McLaren et al. Chilean needle grass (Nassella neesiana) This tussock grass is one of the very worst grassland weeds in Australia. Growth habit: Perennial tussocks forming grasses that are similar in appearance to many native spear grasses (Austrostipa species). Chilean needle grass has been listed as a Weed of National Significance due to its invasiveness, potential for spread and socioeconomic and environmental damage. The presence of Chilean needle grass has a devastating impact on agriculture. 1998) and a problem weed of agriculture (Grech 2007) and is a Weed of National Avoid the introduction of Chil ean needle grass. (Chilean needle grass, Poaceae) is a perennial tussock-forming grass that is indigenous to Argentina, Bolivia, Chile, Ecuador, southern Brazil and Uruguay (Rosengurt et al. Chilean needle grass panicle seed can be dispersed by water along creeks and drainage channels. Males flying in Chilean Needle Grass dominated areas. Chilean needle grass was introduced from South America and Texas needle grass from North America where they occur naturally. Chilean needle grass [Nassella neesiana (Trin.& Rupr.) In Australia, it is both a serious environmental weed (Carr et al. Learn to identify Chilean needle grass, regularly check for it and act immediately to remove it. Victorian Resources Online | Agriculture Victoria | Department of Jobs, Precincts and Regions. It grows in dense tussocks that can reach over a meter tall, and can produce over 20,000 seeds per square meter – making permanent eradication very difficult. Chilean Needle Grass is a WoNS because of its ability to spread quickly and … It looks similar to many other grasses, both native and introduced, and can readily blend into the landscape. Chilean Needle Grass is a highly invasive weed which could potentially devastate agriculture in North Eastern Victoria. Barkworth; CNG] is a perennial spear grass that has invaded pastures in south‐eastern Australia and can lead to a substantial reduction of stockcarrying capacity during the summer months. Chilean Needle Grass, sometimes mistaken for native spear grass, is a perennial tussock-forming grass and is one of 32 declared Weeds of National Significance (WoNS) in Australia. Tufted perennial, culms erect, to c.1 m high, nodes pubescent. The workshop brought together landholders, local shire councils including Greater Shepparton City Council and Benalla Rural City Council, Vicroads, Goulburn Broken CMA and the latest scientific advice. 1970). What do they look like? This was the focus of a Chilean Needle Grass workshop held by the Gecko CLaN. In the ACT, Chilean needle grass is a class 3 and 4 Pest Plant which must be contained and whose supply is prohibited. 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