Hayden Lake

• Pre-treatment

• 3-day treatment

• 3-week treatment

• 5-week treatment

Click on pictures to enlarge

PRE-TREATMENT

	Healthy plant before herbicide application.
	Floating EWM fragment.
	How EWM travels.
	Again how EWM travels.

3-DAY TREATMENT

3 days after triclopyr treatment. There were no visual signs of decomposition after using 2,4-D.

3-WEEK TREATMENT

	3 week treatment with 2,4-D.
	Oxygen depletion during EWM decomposition using 2,4-D.
	Decomposition of EWM 3 weeks after triclopyr treatment.

5-WEEK TREATMENT

	EWM 5 weeks after treatment with 2,4-D.
	Deformed growth of EWM after treatment with 2,4-D.
	EWM 5 weeks after triclopyr treatment (note defoliated stems).