Hydrilla (Hydrilla verticillata) is a federally listed noxious weed that can harm our aquatic resources. In the U.S., millions of dollars are spent each year trying to control these aggressive pond weed invaders—and few are more difficult to manage than invasive hydrilla. Learn how to controlHydrilla verticillata, an invasive submerged weed that can take over ponds and lakes if left untreated.. 46: 2008. One of the most controversial biological control agents currently used to controlhydrilla and other submersed aquatic weeds is the grass carp (Ctenopharyngodon idella Val.) Collage of hydrilla images. The Hydrilla Eradication Program is a statewide effort to detect the highly invasive weedhydrilla and mitigate its spread by quarantine and eradication methods. Controllinghydrillaweeds is necessary to prevent the diminishment of native flora. In most states, it is illegal to possess or transport the species.Methods of ControllingHydrillaWeeds. Tradewind selectively controlshydrilla (even fluoridone-resistant hydrilla), Eurasian watermilfoil and other aquatic plants — with minimal impact on many desirable plants such as spatterdock... aquatic weeds removal. Key Takeaways. Integrated Management: Combining mechanical, chemical, biological, and composting methods offers the most effective control of Hydrilla. Why Is It a Noxious Weed? Hydrilla forms dense canopies that often shade out native vegetation.Biological Control. Triploid grass carp will eat Hydrilla. During the past five years, there has been renewed interest in biological control of submersed aquatic weeds nationally, primarily in response to the discovery in Florida of several hydrilla...
