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   Arundo donax (grass)  français 
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         Management Information

    Preventative measures: A Risk assessment of Arundo donax for Australia was prepared by Pacific Island Ecosystems at Risk (PIER) using the Australian risk assessment system (Pheloung, 1995), resulting in a recommendation that the plant requires further evaluation.

    Chemical: Small populations can be controlled by physical removal of rhizomes, but control usually requires foliar or cut-stump application of aquatic-approved herbicide (e.g. glyphosate). Because Arundo donax tends to spread downstream, the best control approach is to start upstream and work downward. Highly drought tolerant once established.

    Biological: Research on biological control with insects or pathogens was recently initiated.



         Location Specific Management Information
    Grand Terre Is. (New Caledonia) (New Caledonia (Nouvelle Calédonie)) français 
    In partnership with the mining industry, which has in the past used Arundo donax to stabilize embankments, eradication and replacement with local species has begun. Province Sud is also taking advantage of track rehabilitation in the special reserve of Nodela (Bourail) flora to eliminate giant reed planted on embankments (Anne Claire Goarant, pers. comm.).
    Nelson (New Zealand)
    A. donax was designated as a 'Total control pest' in the previous strategy because it was thought to have a limited distribution. TDC (2001) designates A. donax as a 'Regional surveillance pest'. The strategy has its effect over the combined area that lies within the administrative boundaries of the Tasman District Council and Nelson City Council. The threat posed by A. donax is also not considered to be as high as other environmental pests.The coastal area from Pakawau to Farewell Spit is assessed as the area under the greates risk from infestation. Surveillance and control therefore is being carried out mostly in this area. The objective of the strategy is to promote the control of A. donax to protect biodiversity values. Please see Hierarchy of Plant Designations for an explanation of designation terminology.
    Tasman District (New Zealand)
    A. donax was designated as a 'Total control pest' in the previous strategy because it was thought to have a limited distribution. TDC (2001) designates A. donax as a 'Regional surveillance pest'. The strategy has its effect over the combined area that lies within the administrative boundaries of the Tasman District Council and Nelson City Council. The threat posed by A. donax is also not considered to be as high as other environmental pests.The coastal area from Pakawau to Farewell Spit is assessed as the area under the greates risk from infestation. Surveillance and control therefore is being carried out mostly in this area. The objective of the strategy is to promote the control of A. donax to protect biodiversity values. Please see Hierarchy of Plant Designations for an explanation of designation terminology.


         Management Resources/Links

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