Harvesting and carbohydrate accumulation in Eurasian watermilfoil

The effectiveness of a multiple cut harvesting program in controlling nuisance growth of Eurasian watermilfoil (Myriophyllum spicatum L.) in Lake Washington was evaluated. A single cut in July provided only a brief reduction in nuisance standing crop biomass. A two cut program provided an additional...

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Bibliographic Details
Published in:Journal of aquatic plant management 1987-07, Vol.25, p.57-62
Main Authors: Perkins, MA, Sytsma, MD
Format: Article
Language:English
Subjects:
Freshwater
Myriophyllum spicatum
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Summary:The effectiveness of a multiple cut harvesting program in controlling nuisance growth of Eurasian watermilfoil (Myriophyllum spicatum L.) in Lake Washington was evaluated. A single cut in July provided only a brief reduction in nuisance standing crop biomass. A two cut program provided an additional 36% reduction in standing crop and reduced the peak summer standing crop by half in the year of treatment. Harvesting did interrupt the accumulation of nonstructural carbohydrates in milfoil root tissues during the growing season but observed reduction were negated by overwinter accumulation.
ISSN:0146-6623