FLUMIGARD® SC HERBICIDE
* #1 seller for Watermeal / Wolffia & Duckweed
A fast-acting, broad-spectrum liquid herbicide used for controlling weeds and filamentous algae in both aquatic (lakes, ponds, reservoirs) and terrestrial environments (non-crop areas, landscapes, forestry sites). It is powered by the active ingredient Flumioxazin.
Product Information & Features
Flumigard SC works by inhibiting protoporphyrinogen oxidase (Protox), an enzyme essential for chlorophyll synthesis in plants. It provides both pre-emergence and post-emergence control of young weed species.
- Active Ingredient: Flumioxazin (4 lbs/gallon).
- Application: Can be applied via surface and subsurface applications in water. Moisture is necessary to activate the pre-emergent residual in soil.
- Compatibility: It is tank-mix compatible with a wide range of other active ingredients, including glyphosate.
- Safety: When used according to label directions, it is considered safe for fish and other aquatic organisms with no swimming or fishing restrictions after application.
Key Plants Controlled:
- Filamentous algae
- Bluegrass (annual)
- Dogfennel
- Eurasian watermilfoil
- Duckweed * #1 seller for Watermeal / Wolffia & Duckweed
- Hydrilla
- Kochia
- Puncturevine
- Morning glory
- Pondweed
- Salvinia
- Southern naiad
- Water lettuce
- Waterhemp
- Watermeal * #1 seller for Watermeal / Wolffia & Duckweed
- Coontail
- *See product label for complete list of weeds / species.
Application Details & Tips
- Mixing: Mix with an aquatic-approved surfactant (e.g., Cide-Kick II) for better coverage.
- Coverage: Ensure uniform application, especially on the surface.
- Timing: Apply early in the morning on a sunny, calm day.
- Safety Restriction: To prevent oxygen depletion and fish suffocation, treat only 1/3 to 1/2 of the water body at one time, waiting 10-14 days between treatments.
Always consult the specific product label for precise application rates based on target weeds and site conditions.
How much to use:
Examples of Alligare Flumigard SC Liquid (oz):
- Lakeshore 100’ x 100’ = 29.44 (oz)
- Lakeshore 75’ x 100’ = 22.08 (oz)
- Lakeshore 50’ x 50’ = 7.36 (oz)
Pond Surface Acre Rate
- Pond 1.0 Acre = 16 (oz)
- Pond .75 Acre = 12 (oz)
- Pond .50 Acre = 8 (oz)
- Pond .25 Acre = 4 (oz)
(We typically recommend these low rates if you only have plants floating on the surface (Duckweed, Watermeal, etc.) but increase (double) the rate with more submerged vegetation, algae, and deeper water).
- Always refer to the label for exact chemical rates, restrictions, directions, & instructions.
Cost:
- Alligare Flumigard SC Liquid $295 (64oz)
- Alligare Flumigard SC Liquid $449 (128oz)
- Cannot ship to AK, CA, CT, D.C., HI, ME, NJ, NY, OR, RI, VT, WA.
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