Chilean needle grass is a master of disguise. Currently Chilean needle grass populations are limited to the urban areas of Hobart, particularly the Eastern Shore, where it is … Comments: Boom spray The seeds of Chilean needle grass are pale brown when mature, warty in texture, and hairless except along the midrib and near the callus (the base of the seed). Herbicide resistant plants spread and are harder to control. Wiping is best done soon after flowering (November) to stop seed set. Herbicide can be applied with boomsprays or aircraft for larger areas. Chilean Needle Grass. To find this weed you will need to become familiar with a few key identification features described below. PlantNET NSW FloraOnline, Nassella neesiana. This plant must not be sold anywhere in NSW. It was first identified in NSW during the early 1940s in the Glen Innes region. The seed … Its needle … The content provided here is for information purposes only and is taken from the Biosecurity Act 2015 and its subordinate legislation, and the Regional Strategic Weed Management Plans (published by each Local Land Services region in NSW). for larger areas such as boom spraying in autumn before direct drilling or aerial seeding. Chilean Needle Grass grows along creeks, roadside, in pastures, open bushland, woodland and disturbed sites. However, flupropanate (consider a selective herbicide) can injure or suppress some desirable species and if applied to heavy Chilean needle grass infestations will leave large areas of bare soil due to effective control of widespread Chilean needle grass. The persistent seed bank makes Chilean needle grass difficult to control. Herbicide group: M, Inhibitors of EPSP synthase In 1996, there was a major infestation near Tamworth in the Reedy Creek catchme… For example phalaris is sensitive in autumn but not summer. The awns do not readily detach from the seed and they often twist together at maturity. Apply to actively growing plants. with a small tuft of hairs at the junction of the leaf blade and leaf sheath. Animals, vehicles, and machinery spread Chilean needle grass seeds. It looks similar to many other grasses, both native and introduced, and can readily blend into the landscape. Don't graze stock on treated areas for 14 days prior to slaughter. Comments: Boom application. Rate: 1 L/ha Chilean needle grass is an extremely invasive grassy weed. Spot sprayed areas - grazing or cutting for stock feed - 14 days. It can also … In Australia it occurs in temperate regions with annual rainfall of more than 500mm, mainly in pastures, on roadsides and public land. limit animal movement from infested areas into clean paddocks. Chilean Needle Grass is a WoNS because of its ability to spread quickly and out-compete pasture and native grasses. held inside two purple colour structures, 16 – 25 mm long called glumes. The earliest Victorian record is from Northcote in 1934. Follow up is essential for successful control. The seeds of Chilean needle grass are pale brown when mature, warty in texture, and hairless except along the midrib and near the callus (the base of the seed). Chilean needle grass (Nassella neesiana) Note: each of the images on this page links to a larger, more detailed version of that image in order to help you identify this pest plant. Chilean needle grass is listed as a class 4 noxious weed in all council areas within the Molonglo Catchment. It grows into thick stands, leaving no room for other native and exotic grassland species. 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