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| Web URL(s): | http://www.bioone.org/bioone/?request=get-document&issn=0890-037X&volume=014&issue=02&page=0351
Last checked: 11/2005
Access conditions: Item is within a limited access website |
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| Publication Type:
| Refereed |
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| Author(s): | Beck, K. George;
Sebastian, James R. |
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| Author Affiliation: | Beck: Associate Professor; Sebastian: Research Associate, Department of Bioagricultural Science and Pest Management, Colorado State University, Ft. Collins, CO |
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| Title: | Combining mowing and fall-applied herbicides to control Canada thistle (Cirsium arvense) |
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| Section: | Research
Other records with the "Research" Section
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| Source: | Weed Technology. Vol. 14, No. 2, April-June 2000, p. 351-356. |
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| Publishing Information: | Champaign, IL: Weed Science Society of America. |
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| # of Pages: | 6 |
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| Keywords: | TIC Keywords: Mowing; Herbicide combinations; Herbicides; Autumn; Application timing; Cirsium arvense; Weed control; Herbicide evaluation; Application rates; Chlorsulfuron; Clopyralid; 2,4-D; Dicamba; Picloram; Tank mix; Shoot density; Mowing frequency
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| Abstract/Contents: | "Experiments were conducted in subirrigated and upland Colorado pastures to compare herbicides applied alone in fall to the same herbicides preceded by one, two, or three mowings. Picloram controlled Canada thistle (Cirsium arvense) well at both sites, and in general, mowing did not improve its performance. Picloram at 560 g ai/ha and picloram plus 2,4-D at 280 plus 1,120 g ai/ha were the lowest rates that eliminated Canada thistle. Mowing did not improve cholorsulfuron performance at either site, but chlorsulfuron eliminated Canada thistle at the subirrigated site. Dicamba controlled 97% of Canada thistle at the subirrigated site, and mowing did not improve its performance; two or three mowings before spraying dicamba at the upland site improved perforamnce, but 37% remained uncontrolled. Control from the reduced rate and the two lowest recommended rates of clopyralid plus 2,4-D was improved by two or three prior mowings at the upland site. Mowing alone three times per year for 2 yr controlled 85% of Canada thistle at the subirrigated site, but failed to control it at the upland site. Variability in results between experiments likely was due to a high water table at the subirrigated site, which may have restricted Canada thistle root growth and possibly made it easier to control. Inconsistent results prohibit concluding that mowing before spraying will consistently improve Canada thistle control, and such a treatment combination should not be commonly recommended." |
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| Language: | English |
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| References: | 16 |
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| See Also: | Other items relating to: 2, 4 - D in Turf |
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| Note: | Tables |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Beck, K. G., and J. R. Sebastian. 2000. Combining mowing and fall-applied herbicides to control Canada thistle (Cirsium arvense). Weed Technol. 14(2):p. 351-356. |
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| Web URL(s):
http://www.bioone.org/bioone/?request=get-document&issn=0890-037X&volume=014&issue=02&page=0351
Last checked: 11/2005
Access conditions: Item is within a limited access website |
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MSU catalog number: SB 610 .W44 |
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