Aquatic weed control

Aquatic weed control

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Credit: US DEPARTMENT OF AGRICULTURE/SCIENCE PHOTO LIBRARY

Caption: Aquatic weed control. Plant pathologist studying a sample of Eurasian watermilfoil (Myriophyllum spicatum) in a lake. He is part of a team researching treatments to control this invasive species which was introduced to North America in the 1800s. Eurasian watermilfoil is a perennial submerged species which has adverse economic and ecological impacts due its prolific growth and subsequent decomposition.

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