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   Gymnocoronis spilanthoides (水生植物)  English   
生態 分佈 管理 影響 參考資料 聯繫


         管理資訊

    機械方法:裸冠菊(Gymnocoronis spilanthoides)是很難有效地殺死,除草劑只能殺死此植物上部。任何水面下的部位都不會被殺死,可以再生。用手拔除往往導致再生和進一步蔓延。機械清除聯同去淤操作一起執行。首先使用除草劑,7至10天後,用機械去除1公尺深度內所有淤泥和植物材料,帶走,乾燥。應把雜草材料曬乾,而且如果可能的話應燒毀。或者可以把它放置在一個密封的塑膠袋,放在陽光下腐爛和分解,然後棄置於經批准的土地(耕地保護 2004)。

    文化教育:所有的雜草管理,預防是更好和更符合成本效益。在澳大利亞,栽種裸冠菊(Gymnocoronis spilanthoides)是非法的,因為大多數州和地區都把它列為有害雜草。然而,塞內加爾茶已被種植作為一個水族館植物和作為園林裝飾性池塘植物,以吸引蝴蝶物種。如果發現裸冠菊(Gymnocoronis spilanthoides)被出售,應該聯繫國家或地區的雜草控制機構。早期發現和移除也很重要,以防止裸冠菊擴散。小侵擾可以移除,如果他們是早期發現,而一個持續不斷的努力,才能確保不建立新的侵擾(該環境和遺產部, 2003)。人們應該避免購買種子或從網際網路郵購目錄上購買(環境和遺產部, 2003)。聲明的用途也應該包括在這裡。在澳大利亞,塞內加爾茶已被種植作為一個水族館植物和作為園林裝飾性池塘植物,以吸引蝴蝶物種。塞內加爾茶是一種復原力強的觀賞植物,它也被牲畜吃,可提供潮濕地區的冬季放牧需求。

    化學方法:昆士蘭東南部長期的經驗顯示草甘膦不是一有效的消除工具。它會產生一些問題,它是無選擇性,會殺死當地物種,如沼澤草和莎草。此外,它沒有殘留的影響,這意味著它會創造一個充滿光線的空隙,一個塞內加爾茶重新生長理想的苗床。此外,植物碎片毒素處理後,導致葉片脫落和繁殖體的形成。 English   



         管理資源 /鏈接

    3. Champion, P.D.; Clayton, J.S. 2001. Border control for potential aquatic weeds. Stage 2. Weed risk assessment. Science for Conservation 185. 30 p.
            摘要: This report is the second stage in the development of a Border Control Programme for aquatic plants that have the potential to become ecological weeds in New Zealand. Importers and traders in aquatic plants were surveyed to identify the plant species known or likely to be present in New Zealand. The Aquatic Plant Weed Risk Assessment Model was used to help assess the level of risk posed by these species. The report presents evidence of the various entry pathways and considers the impact that new invasive aquatic weed species may have on vulnerable native aquatic species and communities.
    Available from: http://www.doc.govt.nz/upload/documents/science-and-technical/SFC185.pdf [Accessed 13 June 2007]
    5. Environment Waikato. 2002. Senegal Tea (Gymnocoronis spilanthoides).
    6. Land Protection. 2004. Senegal tea Gymnocoronis spilanthoides. Queensland Government: Natural Resources and Mines.
    7. National Pest Plant Accord, 2001. Biosecurity New Zealand.
            摘要: The National Pest Plant Accord is a cooperative agreement between regional councils and government departments with biosecurity responsibilities. Under the accord, regional councils will undertake surveillance to prevent the commercial sale and/or distribution of an agreed list of pest plants.
    Available from: http://www.biosecurity.govt.nz/pests-diseases/plants/accord.htm [Accessed 11 August 2005]
    10. Tasman District Council (TDC) 2001. Tasman-Nelson Regional Pest Management Strategy

         結果頁: 1  


ISSG Landcare Research NBII IUCN University of Auckland