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| Web URL(s): | http://www.swss.ws/wp-content/uploads/docs/2009 Proceedings-SWSS.pdf#page=213
Last checked: 07/25/2013
Requires: PDF Reader
Notes: Item is within a single large file |
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| Publication Type:
| Report |
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| Author(s): | Vassios, J. D.;
Douglass, C.;
Bridges, M.;
Lindenmayer, B.;
Nissen, S. |
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| Author Affiliation: | Colorado State University, Fort Collins, CO |
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| Title: | Native grass tolerance to aminopyralid and DPX-KJM44 |
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| Section: | Pasture and rangeland weed control
Other records with the "Pasture and rangeland weed control" Section
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| Meeting Info.: | Orlando, Florida: February 9-12, 2009 |
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| Source: | 2009 Proceedings, Southern Weed Science Society. Vol. 62, 2009, p. 143. |
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| Publishing Information: | Champaign, Illinois: Southern Weed Science Society |
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| # of Pages: | 1 |
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| Keywords: | TIC Keywords: Aminocyclopyrachlor; Aminopyralid; Application rates; Application timing; Establishment; Herbicide evaluation; Native grasses; Restoration; Seasonal maintenance; Weed control
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| Abstract/Contents: | "Restoration of disturbed lands often involves a re-vegetation component that seeks to build a diverse native plant community; however, perennial and annual weeds can often out compete restoration species. Commercially available Milestone (aminopyralid) and currently experimental DPX-KJM44 (aminocyclopyrachlor) are herbicides that could be used to control invasive or noxious weeds in rangeland, pasture, and natural areas, while allowing certain native grass species to become established. The objective of our study was to determine how application timings and herbicide rates affect the establishment of warm and cool season native grasses. Pre-plant herbicide treatments were applied in June and September 2007 and seven cool and eight warm season grasses were seeded in February 2008. Post-emergence applications were applied to seedling and fully tillered grass in the spring and summer of 2008. At each timing, aminopyralid and aminocyclopyrachlor were applied at two rates. In general, warm season grasses were more tolerant than cool season grasses to both herbicides regardless of rate or application timing. Cool season grasses were most sensitive to aminocyclopyrachlor when applied post-emergence at the seedling stage; however, warm season grasses were most sensitive to aminopyralid when soil-applied in September. Both warm and cool season grasses were tolerant when herbicides were applied pre-plant in June. Across all grasses, herbicide timing was more important than herbicide rate. These data suggest that pre-plant applications made nine month prior to grass seeding allowed for better establishment of restoration species, with warm season grasses being slightly more tolerant to both herbicides." |
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| Language: | English |
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| References: | 0 |
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| Note: | This item is an abstract only! |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Vassios, J. D., C. Douglass, M. Bridges, B. Lindenmayer, and S. Nissen. 2009. Native grass tolerance to aminopyralid and DPX-KJM44. South. Weed Sci. Soc. Proc. 62:p. 143. |
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| Web URL(s):
http://www.swss.ws/wp-content/uploads/docs/2009 Proceedings-SWSS.pdf#page=213
Last checked: 07/25/2013
Requires: PDF Reader
Notes: Item is within a single large file |
| 
MSU catalog number: b2207931 |
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