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| Web URL(s): | http://www.jstor.org/stable/3987873
Last checked: 08/20/2012
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| Publication Type:
| Refereed |
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| Author(s): | McCarty, Lambert B.;
Higgins, Jeffery, M.;
Colvin, Daniel, L. |
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| Title: | Selective Torpedograss (Panicum repens) control in Bermudagrass (Cynodon spp.) turf |
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| Source: | Weed Technology. Vol. 7, No. 4, October-December 1993, p. 911-915. |
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| Publishing Information: | Champaign, IL: Weed Science Society of America. |
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| # of Pages: | 5 |
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| Keywords: | TIC Keywords: Cynodon; Herbicide selectivity; Panicum repens; Herbicide combinations; MSMA; Imazaquin; Quinclorac
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| Abstract/Contents: | "Torpedograss has invaded fine turfgrasses in the Southern U.S. due to its tolerance to most commonly used herbicides. Research was conducted to determine torpedograss and 'Tifway' bermudagrass tolerance to quinclorac and tank-mix combinations with other turf herbicides. Quinclorac rates in excess of 2.2 kg ai/ha were required for control (> or = 80%) of torpedograss. Sequential applications were more effective than single applications. Generally, sequential applications made 3 wk after the initial were more effective than delaying sequential applications until 4 wk after the initial application. Tifway bermudagrass injury from quinclorac applied at 4.5 kg/ha, or at 2.2 kg/ha followed by a sequential application of 1.1 kg/ha or 2.2 kg/ha, was observed at 4 to 10 wk; however, turf recovered thereafter. Sequential applications of quinclorac plus imazaquin (1.1 + 0.6 kg/ha) increased torpedograss control (approximate 35%) as compared to quinclorac plus MSMA (1.1 + 1.1 kg/ha) but also decreased turf quality versus quinclorac applied alone or in combination with MSMA. Quinclorac applied at 2.2 kg/ha followed by 1.1 kg/ha applied 3 or 6 wk after the initial controlled torpedograss best with least reduction in bermudagrass quality. Quinclorac is the first herbicide reported to selectively control torpedograss in bermudagrass turf." |
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| Language: | English |
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| References: | 14 |
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| See Also: | Other items relating to: M S M A |
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| Note: | Tables |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
McCarty, L. B., J. M. Higgins, and D. L. Colvin. 1993. Selective Torpedograss (Panicum repens) control in Bermudagrass (Cynodon spp.) turf. Weed Technol. 7(4):p. 911-915. |
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| Web URL(s):
http://www.jstor.org/stable/3987873
Last checked: 08/20/2012
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
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MSU catalog number: SB 610 .W44 |
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