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| Web URL(s): | http://www.bioone.org/perlserv/?request=get-document&doi=10.1614%2FWT-08-014.1
Last checked: 01/16/2009
http://www.bioone.org/doi/pdf/10.1614/WT-08-014.1
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| Publication Type:
| Refereed |
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| Author(s): | Brosnan, James T.;
Nishimoto, Roy K.;
DeFrank, Joseph |
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| Author Affiliation: | Brosnan: Assistant Specialist, Turfgrass Management; Nishimoto: Professor Emeritus, Weed Science; DeFrank: Professor, Weed Science, Department of Tropical Plant and Soil Sciences, University of Hawaii, Honolulu, Hawaii |
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| Title: | Metribuzin-resistant goosegrass (Eleusine indica) in bermudagrass turf |
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| Section: | Weed management - other crops/areas
Other records with the "Weed management - other crops/areas" Section
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| Source: | Weed Technology. Vol. 22, No. 4, October 2008, p. 675-678. |
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| Publishing Information: | Champaign, IL: Weed Science Society of America. |
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| # of Pages: | 4 |
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| Keywords: | TIC Keywords: Metribuzin; Eleusine indica; Herbicide resistance; MSMA; Cynodon dactylon; Weed control; Application rates; Biotypes
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| Abstract/Contents: | "Applications of metribuzin plus MSMA have been used to control goosegrass in bermudagrass turf for over 20 yr. In 2003, two goosegrass biotypes on the island of Kauai, Hawaii were found to be resistant to applications of metribuzin plus MSMA. Metribuzin plus MSMA applied at rates of 0.28 kg ai/ha plus 2.2 kg/ha, respectively, followed by MSMA at 2.2 kg/ha 7 d later, provided 100% control of two susceptible goosegrass biotypes, but no control of two resistant biotypes. At the flowering growth stage, metribuzin applied at a rate of 0.28 kg/ha controlled both susceptible biotypes (> 92%), but did not control the two resistant biotypes. Two applications of MSMA applied at a rate of 2.2 kg/ha (7 d apart) did not control any of the four biotypes at the flowering growth stage. The two resistant biotypes were approximately 100 to 200 times less sensitive to increasing rates of metribuzin than the two susceptible biotypes. The two biotypes that were resistant to metribuzin plus MSMA were also resistant to applications of simazine plus MSMA. However, all four biotypes were susceptible to applications of glyphosate and foramsulfuron." |
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| Language: | English |
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| References: | 17 |
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| Note: | Tables
Graphs |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Brosnan, J. T., R. K. Nishimoto, and J. DeFrank. 2008. Metribuzin-resistant goosegrass (Eleusine indica) in bermudagrass turf. Weed Technol. 22(4):p. 675-678. |
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| Web URL(s):
http://www.bioone.org/perlserv/?request=get-document&doi=10.1614%2FWT-08-014.1
Last checked: 01/16/2009
http://www.bioone.org/doi/pdf/10.1614/WT-08-014.1
Last checked: 03/16/2010
Requires: PDF Reader
Access conditions: Item is within a limited access website |
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MSU catalog number: b2174615a |
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