Management Program for Hydrilla (a Monoecious Strain) in North Carolina

摘要

Diquat, endothall, fluridone, fenac, and dichlobenil were evaluated to determine their effectiveness for controlling a monoecious strain of hydrilla (Hydrilla verticillata) in North Carolina lakes. Diquat and endothall were effective for controlling hydrilla when sufficiently large areas were treated, but more than one annual application may be necessary to maintain control. Granular endothall gave effective control of hydrilla in an impoundment with a high rate of water exchange. Application of fluridone resulted in year-long hydrilla control but control did not persist into the following growing season. Fenac was difficult to apply and resulted in only marginally effective control. Hydrilla was not controlled by dichlobenil.