Principal source: Department of Natural Resources (DNR), Wisconsin., 2007. Aquatic Plant Brittle/Lesser/Bushy/Slender/Spiny/Minor Naiad; Waternymph
Environmental Laboratory (EL) U.S. Army Engineer Research and Development Center (ERDC), 2007. Information Sheet: Najas minor L. (Spiny Naiad)
Ling Cao. 2010. Najas minor. USGS Nonindigenous Aquatic Species Database, Gainesville, FL.
Compiler: National Biological Information Infrastructure (NBII) & IUCN/SSC Invasive Species Specialist Group (ISSG)
Review: Robert S. Capers, plant collections manager, George Safford Torrey Herbarium, Department of Ecology and Evolutionary Biology, University of Connecticut
Publication date: 2013-01-04
Recommended citation: Global Invasive Species Database (2024) Species profile: Najas minor. Downloaded from http://iucngisd.org/gisd/species.php?sc=1560 on 23-12-2024.
Chemical: Small scale herbicide treatments of endothall, dipotassium, and endothall mono have been conducted in hopes to provide “nuisance relief.” However, it has been reported that some non-target plant species have been affected as well. The following herbicides and brands were reported to yield excellent control for N. minor by the US army Corp of Engineers: diquat: Reward, Weedtrine-D; fluridone: Sonar AS, Sonar SRP, Sonar PR, Sonar Q, and Avast!; and endothall Aquathol K, Aquathol Super K, Hydrothol 191. N. minor was found to be completely unaffected by the herbicide butachlor (DNR, 2007; EL-EDRC, undated; Chattopadhyay et al, 2006).
Mechanical: The use of aquatic plant harvesters, large boats that cut and remove vegetation, has been recommended as a means to remove large quantities of Najas minor. Similarly, rotovators, basically large underwater rototillers that remove aquatic plant tissue and root crowns, are another recommended mechanical control. The use of hand cutters may be effective for smaller populations (EL-ERDC, undated).