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Evaluation of Rust Fungi as Biological Control Agents of Weedy Centaurea in North America

Published online by Cambridge University Press:  12 June 2017

Alan K. Watson  and
Michel Clement
Alan K. Watson
Affiliation:
Dep. Plant Sci., Macdonald College of McGill Univ., Ste-Anne-de-Bellevue, Quebec H9X 1C0
Michel Clement
Affiliation:
Dep. Plant Sci., Macdonald College of McGill Univ., Ste-Anne-de-Bellevue, Quebec H9X 1C0
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Extract

Four Centaurea species, diffuse knapweed (C. diffusa Lam. # CENDI, spotted knapweed (C. maculosa Lam. # CENMA), yellow starthistle (C. solstitatilis L. # CENSO), and the closely related Russian knapweed [Acroptilon repens (L.) DC. syn. Centaurea repens L. # CENRE] are serious introduced weeds which infest extensive areas of pasture and rangeland in Canada and the United States (1, 10, 14, 17, 18, 26, 30). Russian knapweed and yellow starthistle are also troublesome in cultivated land (1, 14, 26). These four species are members of the Cardueae tribe of the Asteraceae family and have been accidentally introduced from Eurasia as contaminants in crop seed.

Type
Research Article
Information
Weed Science , Volume 34 , Issue S1: Supplement 1: Microbiological Control of Weeds Symposium , 1986 , pp. 7 - 10
Copyright
Copyright © 1986 by the Weed Science Society of America 

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References

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