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[compost_tea] allelopathy and spotted knapweed



A very interesting article about a recent study published in Science.  CSU researchers 
found that spotted knapweed's invasiveness is due to its production of a toxin to 
which no known native species are resistant.  I've seen some posts about knapweed 
here and thought it might be of interest.   

http://nytimes.com/2003/09/09/science/09WEED.html?8hpib

Elizabeth


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