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Consultant proposes early, systemic Sonar treatments and satellite cyanobacteria mapping for Ocean Shores waterways
Summary
Aquatechnix consultant Terry McNabb told the Ocean Shores Freshwater Advisory Board the town faces a rapid expansion of curly leaf pondweed and recommended April/May Sonar (fluridone) pellet applications plus satellite chlorophyll mapping to reduce summer blooms and cut manual sampling costs.
Terry McNabb, the Aquatechnix consultant contracted for Ocean Shores’ freshwater program, told the Freshwater Advisory Board on Feb. 2 that survey work last summer found a dramatic expansion of curly leaf pondweed, a state-designated Class C noxious weed. McNabb said individual plants produce many turions (dormant propagules) that sink and sprout in fall, making late starts to treatment ineffective.
McNabb said Aquatechnix proposes starting systemic Sonar (chemical name given during the presentation) applications in April, with a granular controlled‑release pellet deployed across treatment polygons and a second application three to four weeks…
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