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|Title:||Seasonal biomass and carbohydrate allocation in a southern population of Eurasian watermilfoil|
|Authors:||Aquatic Plant Control Research Program (U.S.)|
Madsen, John Douglas.
Total nonstructural carbohydrate
|Publisher:||Environmental Laboratory (U.S.)|
Engineer Research and Development Center (U.S.)
Abstract: Seasonal biomass and carbohydrate allocation patterns of Eurasian watermilfoil (Myriophyllum spicatum L.) were evaluated to elucidate potential points in the seasonal phenological cycle for improved control. Eurasian watermilfoil was sampled from outdoor 0.3-ha ponds in Lewisville, TX, from January 1991 to December 1993 and analyzed for free sugars, starch, and total nonstructural carbohydrates (TNC). Root crowns stored up to 30-percent TNC, followed by autofragments (25 percent), lower stems (22 percent), and upper stems and inflorescences (12 percent). Low levels of stored carbohydrates occurred in July 1991, April1992, and May 1993. Low levels of stored carbohydrates also were observed in October for all 3 years. Low points in carbohydrate storage might be exploited to improve management of Eurasian watermilfoil.
|Rights:||Approved for public release; distribution is unlimited.|
|Appears in Collections:||Miscellaneous Paper|
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