Brittle Naiad

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Presentation on the invasive Brittle naiad

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Brittle Naiad

  1. 1. Brittle Naiad Najas minor
  2. 2. Only naiad species that is non-native Annual plant First discovered in U.S. in 1930’s
  3. 3. Leaves stiff, curled, pointed and w/ spines Highly branched stems up to 4 ft Confused with native coontail – opposite leaves not in whorls Fragments easily !!
  4. 4. Tolerates moderate turbidity and fertile water
  5. 5. Reproduces by seed AND fragmentation ! Seeds moved by waterfowl
  6. 6. Outcompetes native plants – reduces diversity of plantsCan choke water body - impede use Affect aesthetics
  7. 7. Control Options
  8. 8. Grass Carp
  9. 9. Aquatic herbicides Diquat – “Reward” Endothall – “Aquathol”Fluridone – “Sonar”, “Avast” Flumioxazin – “Clipper”
  10. 10. Questions?

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