NYS Department of Environmental Conservation
Shading
•Principle- Color the
Water So Plants
Don’t Grow
•Invasive Target- All
If Low Enough in Water
Column
•Pros- Easy,
Inexpensive, Whole Waterbody
Control
•Cons- Non-Selective
(Plant or Spatial),
Highly Dependent on Retention
Time, Little Documentation
in Large or Deeper
Waterbodies
•Permits- If
Advertised as Plant Control
Agent, Pesticides Permit (Pt
327), Otherwise None
•Costs- $100-500/ac
