brittle naiad
Post on 07-Jul-2015
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Presentation on the invasive Brittle naiad
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Brittle NaiadNajas minor
Only naiad species that is non-native
First discovered in U.S. in 1930’s
Annual plant
Highly branched stems up to 4 ft
Fragments easily !!
Confused with native coontail –opposite leaves not in whorls
Leaves stiff, curled, pointed and w/ spines
Tolerates moderate turbidity and fertile water
Reproduces by seed AND fragmentation !
Seeds moved by waterfowl
Outcompetes native plants –reduces diversity of plants
Can choke water body - impede use
Affect aesthetics
Control Options
Grass Carp
Aquatic herbicides
Diquat – “Reward”
Endothall – “Aquathol”
Fluridone – “Sonar”, “Avast”
Flumioxazin – “Clipper”
Questions?
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