[APWG] NEWS: 'Non-Invasive' Cultivar? Buyer Beware
Olivia Kwong
plant at plantconservation.org
Sat Oct 15 23:09:18 CDT 2011
http://www.sciencedaily.com/releases/2011/10/111007073214.htm
'Non-Invasive' Cultivar? Buyer Beware
ScienceDaily (Oct. 11, 2011) -- Cultivars of popular ornamental woody
plants that are being sold in the United States as non-invasive are
probably anything but, according to an analysis by botanical researchers
published in the October issue of BioScience. Tiffany M. Knight of
Washington University in St. Louis, Missouri, and her coauthors at the
Chicago Botanic Garden write that the claims of environmental safety are
in most cases based on misleading demographic evidence that greatly
underestimates the plants' invasive potential. What is more, the offspring
of cultivars do not usually "breed true" and may be more fecund than their
parents, especially if they cross with plants from nearby feral
populations.
See the link above for the full article text.
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