aquatic plant identification & management - kansas …aquatic sites impounded waters: ¾ponds,...
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Aquatic Plant Identification &
Management
Weedy Pond
Aquatic Sites
Impounded Waters: ponds, lakes, reservoirs
Flowing Waters:rivers, streams, canals
Water Saturated Areas:marshes, seeps, drainage ditches
Vegetation ConcernsImpounded waters
fish populationsrecreation activitiesodor
Flowing waterswater transport in canals
Water saturated areasnone, except around margins
Aquatic Plant ID and Classification
Algae
Floating Plants
Submersed Plants
Emersed Plants
Marginal Plants
Algae
Primitive nonvascular plants
Planktonic
Filamentous
Chara
Planktonic Algae
Planktonic Algae
Filamentous Algae
Filamentous Algae
Chara
Chara
Floating Plants
Free floating or rooted with floating leaves
Duckweeds
Watermeal
Waterlillies
American Lotus
Duckweed
Duckweed
Giant Duckweed
Watermeal
Waterlilly
Submersed Plants
PondweedsElodeaWatermilfoil
Coontail
Naiads
Bladderwort
u Plants that grow mainly below the water surface
Pondweeds
American Pondweed
Curlyleaf Pondweed
Sago Pondweed
Naiad
Coontail
Watermilfoil
Emersed PlantsPlants rooted in water, but the
majority of foliage above water.
WatershieldArrowheadWater primroseWater speedwell
Arrowhead
Arrowhead
Waterprimrose
Waterprimrose
Water Speedwell
Marginal Plants
ReedsSedgesBulrushCattailsHorsetail/Scouring Rush
SmartweedsPurple loosestrifeCottonwoodWillow
u Plants growing around the margin of the shoreline or in shallow water.
Cattail
Purple Loosestrife
Willow
Bullrush
Smartweed
Sedges
Scouring Rush-Horsetail
Scouring Rush-Horsetail
Aquatic Plant Management Methods
Prevention
Mechanical and Physical Removal
Biological
Chemical
Aquatic Dyes
Herbicide Product Selection
Product availability and formulation
Weed spectrum
Water use restrictions
Application timing
Water User Restrictions
Aquatic Weed Response Table
Herbicide Application
GranularHand
Mechanical Spreader
Granular Blower
LiquidDirect Diluted
Hand or backpack sprayer
Handgun power sprayer
Flowing water drip system
Calibration Calculations
Water Surface Acres = surface area in square ft43,560
Volume in Acre-ft = surface acres X Ave. depth in ft
Surface Area & Depth Determination
Aquatic Web Sites
Kansas Department of Wildlife and Parkswww.kdwp.state.ks.us
Texas A&M Aquaplantwww.aquaplant.tamu.edu
Missouri Department of Conservationwww.mdc.mo.gov/nathis/plantpage/flora/wetplant/
KSU Weed Managementwww.oznet.ksu.edu/weedmanagement
Mixed Aquatic Vegetation
K STATEResearch and ExtensionDallas PetersonExtension Weed [email protected]
K-StateResearch and Extension