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Plant Invaders of Mid-Atlantic Natural Areas
Swearingen, J., K. Reshetiloff, B. Slattery, and S.
Zwicker. 2002. Plant Invaders of
Spotted knapweed, a member of the aster family, was introduced unintentionally from Eurasia as a contaminant of alfalfa and from soil used as ship ballast. It poses a threat to natural communities such as barrens, fields, meadows and forest edges because it captures moisture and nutrients, forms a deep taproot and spreads rapidly through seed. Several insect species are being used as biological control agents.
Prevention and Control
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The Bugwood Network, USDA Forest Service & USDA APHIS PPQ.
The University of Georgia - Warnell School of Forest Resources and
College of Agricultural and Environmental Sciences - Dept. of Entomology
Last updated on Wednesday, November 05, 2003 at 01:26 PM
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