2011
DOI: 10.4001/003.019.0202
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A Review of the Biological Control Programmes onEichhornia crassipes(C.Mart.) Solms (Pontederiaceae),Salvinia molestaD.S.Mitch. (Salviniaceae),Pistia stratiotesL. (Araceae),Myriophyllum aquaticum(Vell.) Verdc. (Haloragaceae) andAzolla filiculoidesLam. (Azollaceae) in South Africa

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Cited by 133 publications
(50 citation statements)
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“…An integrated control method, using aerial spraying in conjunction with biocontrol, was implemented at the weir in 2001. Since then, the control programme has continued to be used with great success and the weed is limited to small populations along the edges of the weir (Coetzee, 2015 andHill, 2012). …”
Section: Water Hyacinth (Eichhornia Crassipes)mentioning
confidence: 99%
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“…An integrated control method, using aerial spraying in conjunction with biocontrol, was implemented at the weir in 2001. Since then, the control programme has continued to be used with great success and the weed is limited to small populations along the edges of the weir (Coetzee, 2015 andHill, 2012). …”
Section: Water Hyacinth (Eichhornia Crassipes)mentioning
confidence: 99%
“…Smaller crops such as grapes, citrus, olives Africa (27°47'58'' E;24°47'24''E) (Arp, 2015 , 2015). Warrenton Weir, just south of the scheme, diverts water from the Vaal River to the scheme and has a surface area of roughly 900 ha, with a storage capacity of approximately 45 million m 3 (Van Vuuren, 2012;Coetzee, 2015). The majority of the water released from the weir is used for agriculture and environmental flow, while the remainder is supplied to small towns in the area (Harbron, 2015).…”
Section: Site Descriptionmentioning
confidence: 99%
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“…Solms (Pontederiaceae), a South American Amazonian plant, is one of the most damaging invasive aquatic weeds in the world, having negative effects on the environment and economies of many tropical and subtropical countries (Julien, Griffiths, & Wright, 1999). It was first recorded in South Africa in the early 1900s (Cilliers, 1991) and has been a research topic of many studies seeking ways to control its spread (Coetzee, Hill, Byrne, & Bownes, 2011). In South Africa, the biological control programme against water hyacinth was initiated in 1973 with the release of the weevil Neochetina eichhorniae (Warner) (Coleoptera: Curculionidae) (Cilliers, 1991), which together with N. bruchi Hustache (Coleoptera: Curculionidae) are regarded as the most successful biocontrol agents against water hyacinth (Julien et al, 1999).…”
Section: Introductionmentioning
confidence: 99%
“…No other specific studies of the effectiveness of biological control have been carried out in KNP, but based on assessments elsewhere it appears that the invasive shrub Sesbania punicea is under complete biological control in KNP (Hoffmann and Moran 1999). Similarly, biological control has made a substantial contribution to the ongoing management of aquatic weeds, where biological control been demonstrated to have effectively suppressed both Salvinia molesta and Pistia stratiotes elsewhere in the country (Coetzee et al 2011).…”
Section: Effectiveness Of Control Interventionsmentioning
confidence: 99%