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Crabgrass

Published online by Cambridge University Press:  12 June 2017

Larry W. Mitich
Larry W. Mitich*
Affiliation:
Dep. Bot., Univ. Calif., Davis, CA 95616
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Extract

Crabgrasses (Digitaria spp.), the first cultivated grains, were grown for food thousands of years before they were considered weeds. Digitaria, a genus of about 60 species, grows in the world's temperate and tropical regions. Many of the species are good forage grasses. Thirteen weedy Digitaria species infest the United States, but large crabgrass (D. sanguinalis # DIGSA) and smooth crabgrass (D. ischaemum # DIGIS) are the most common.

Type
Intriguing World of Weeds
Information
Weed Technology , Volume 2 , Issue 1 , January 1988 , pp. 114 - 115
Copyright
Copyright © 1988 by the Weed Science Society of America 

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References

Literature Cited

1. Hitchcock, A. S. 1950. Manual of the Grasses of the United States. U.S. Govt. Print. Off., Washington, DC. Second ed. rev. by Chase, A. Google Scholar
2. Holm, L. G., Plucknett, D. L., Pancho, J. V., and Herberger, J. P. The World's Worst Weeds. Univ. Press Hawaii, Honolulu.Google Scholar
3. Georgia, A. 1914. Manual of Weeds. The Macmillan Company, New York.Google Scholar
4. U.S. Dep. Agric. 1970. Selected Weeds of the United States. Ag. Handbook No. 366. Washington, DC.Google Scholar