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| Web URL(s): | http://www.wsweedscience.org//wp-content/uploads/proceedings-archive/2008.pdf#page=12
Last checked: 12/10/2013
Requires: PDF Reader
Notes: Item is within a limited access website |
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| Publication Type:
| Report |
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| Content Type: | Abstract or Summary only |
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| Author(s): | Israelsen, Karl R.;
Ransom, Corey V.;
Monaco, Thomas |
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| Author Affiliation: | Israelsen and Ransom: Utah State University, Logan, Utah; Monaco: United States Department of Agriculture - Agricultural Research Service, Logan, Utah |
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| Title: | Perennial grass tolerance to ALS herbicides |
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| Section: | Poster session
Other records with the "Poster session" Section
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| Meeting Info.: | Anaheim/Garden Grove, California: March 11-13, 2008 |
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| Source: | Proceedings of the Western Society of Weed Science. Vol. 61, 2008, p. 3-4. |
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| Publishing Information: | Newark, CA: Western Society of Weed Science |
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| # of Pages: | 2 |
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| Keywords: | TIC Keywords: Herbicides; Perennial grasses; Hordeum jubatum; Bromus tectorum; Herbicide resistance; Injuries; Height; Biomass; Seed production; Weed control; Herbicide evaluation
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| Abstract/Contents: | "A better understanding of the relative tolerance of desirable perennial grasses to ALS herbicides will aide in the management of foxtail barley (Hordeum jubatum) and downy brome (Bromus tecotrum) infestations. Seventeen perennial grass species were evaluated for tolerance to postemergence applications of imazapic, propoxycarbazone, and sulfosulfuron. Grass species included: crested, intermediate, hybrid, and tall wheatgrasses, smooth and meadow brome, meadow foxtail, orchardgrass, timothy, and big bluegrass. Grasses were established for three years and were actively growing when herbicide treatments were applied on April 13, 2007. Grass tolerance was determined by evaluating plant injury, height, biomass, and seed head production. Grass varieties exhibited varying degrees of tolerance to each herbicide tested. Herbicide injury ranged from a low 6% to a high of 83%. Herbicide treatments caused 39 to 59% injury and reduced plant height 39 to 52% when averaged across all grass varieties. Hybrid wheatgrass varieties appeared more tolerant of imazapic and less tolerant of propoxycarbazone and sulfosulfuron. Propoxycarbazone displayed lower injury in orchardgrass, big bluegrass, and the intermediate wheatgrasses. Crested wheatgrass and intermediate wheatgrasses displayed greater tolerance to sulfosulfuron treatments. Both treatments of propoxycarbazone and sulfosulfuron resulted in lower injury to the intermediate wheatgrasses when compared to imazapic. Control and management of foxtail barley and downy brome will be improved by determining which herbicides effectively control foxtail barley and downy brome infestations while causing the least injury to desirable perennial grasses." |
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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):
Israelsen, K. R., C. V. Ransom, and T. Monaco. 2008. Perennial grass tolerance to ALS herbicides. Proc. West. Soc. Weed Sci. 61:p. 3-4. |
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| Web URL(s):
http://www.wsweedscience.org//wp-content/uploads/proceedings-archive/2008.pdf#page=12
Last checked: 12/10/2013
Requires: PDF Reader
Notes: Item is within a limited access website |
| 
MSU catalog number: b2224583a |
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