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| Publication Type:
| Refereed |
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| Author(s): | Hall, Christopher J.;
Carey, C. Ken |
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| Author Affiliation: | Assoc. Prof., Dep. Environ. Biol., and Res. Assoc., Dep. Hortic. Sci., Univ. Guelph, Canada |
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| Title: | Control of annual bluegrass (Poa annua) in Kentucky bluegrass (Poa pratensis) turf with linuron |
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| Source: | Weed Technology. Vol. 6, No. 4, October-December 1992, p. 852-857. |
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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: Poa annua; Poa pratensis; Linuron; Poa annua control
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| Abstract/Contents: | "Effects of linuron on annual bluegrass control and Kentucky bluegrass cultivar tolerance were studied in field and growth chamber experiments. In controlled environment experiments, linuron at 0.06, 0.12, 0.25, 0.50, and 0.75 kg ai ha-1 was applied to pure stands of annual bluegrass and eight Kentucky bluegrass cultivars. Linuron at the two highest rates controlled annual bluegrass, reducing the clipping dry weight by more than 85% 4 wk after treatment, and by 65 to 92% 6 wk after treatment. Growth of Kentucky bluegrass was reduced with the most severe reduction occurring 2 wk after linuron application. All cultivars exhibited normal growth 8 wk after treatment. In field experiments, linuron at rates from 1.5 to 2.0 kg ai ha-1 controlled annual bluegrass in old (>5 yr) Kentucky bluegrass stands, and in 16 cultivars of 1-yr and 2-yr-old Kentucky bluegrass stands, with little or no damage. At rates of 1.5, 2.0, and 2.5 kg ai ha-1 linuron, damage to newly seeded cultivars was moderate to severe. However, 6 to 7 wk after linuron application to newly seeded cultivars, stand density and turf quality were equivalent to untreated checks." |
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| Language: | English |
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| References: | 7 |
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| See Also: | Other items relating to: POA |
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| Note: | Tables
Graphs |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Hall, C. J., and C. K. Carey. 1992. Control of annual bluegrass (Poa annua) in Kentucky bluegrass (Poa pratensis) turf with linuron. Weed Technol. 6(4):p. 852-857. |
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MSU catalog number: SB 610 .W44 |
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