Pontederia crassipes, commonly known as common waterhyacinth, is an aquatic plant native to South America, naturalized throughout the world, and often invasive outside its native... Mechanical control methods for waterhyacinth encompass harvesting and in situ cutting, each with distinct advantages and disadvantages (Roberto et al., 2019). Difficulties to controlwaterhyacinth are related to the weed’s rapid growth rate and its ability to reinfest via the seed bank or by flood-borne plants (Jiménez and Balandra 2007). It has also been reported that decay of waterhyacinth after chemical control releases nutrients which promote the growth of phytoplankton thus increasing fish yield. In NSW, a number of herbicides are registered for the control of waterhyacinth. Metsulfuron-methyl 600 g/kg (Brush-off®). Comments: May only be applied in enclosed water bodies... Although herbicides are effective in controllingwaterhyacinth, the cost is generally prohibitive (Goeden & Andrés 1999). A biological control project was initiated by the U. S. Army... An Integrated WaterHyacinthControl Program on the Vaal River, in a Cool, High Altitude Area in South Africa C.J. Cilliers, P.L. Campbell, D. Naude, and S. Neser. Economical Evaluation of WaterHyacinthControls Program. Table 6 shows the cost/benefit of the 3 separate control methods and that of the integrated approach. 2013. 513 WaterHyacinthControl Program and Spongeplant Control Program Aquatic Pesticide 514 Application Plan. Waterhyacinth (Eichhornia Crassipes) Waterhyacinth is an aquatic plant which can live and reproduce floating freely on the surface of fresh waters or can be anchored in mud.
