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| Publication Type:
| Refereed |
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| Author(s): | Johnson, Jack B.;
Murphy, Tim R. |
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| Author Affiliation: | Professor, Crop and Soil Science, University of Georgia, Georgia |
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| Title: | Suppression of a perennial subspecies of annual bluegrass (Poa annua spp. reptans) in a creeping bentgrass (Agrostis stolonifera) green with plant growth regulators |
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| Source: | Weed Technology. Vol. 10, No. 4, October-December 1996, p. 705-709. |
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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: Golf greens; Flurprimidol; Application timing; Poa annua; Poa annua var. reptans; Paclobutrazol; Growth regulators; Injuries; Weed control
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| Abstract/Contents: | "Paclobutrazol and flurprimidol were evaluated for suppression of a perennial subspecies of annual bluegrass in a creeping bentgrass green. Three applications of paclobutrazol in the spring (Mar. 17, Apr. 17, and May 17) followed by three applications in the fall (Oct. 2, Nov. 2, and Nov. 30) suppressed the perennial subspecies ^D> 72% at 3 wk after the final treatment. However, suppression was reduced to ^D<57% by 4 mo after the final fall application. Flurprimidol applied in three spring and three fall applications did not suppress the perennial subspecies as effectively as paclobutrazol. Suppression was ^D 47% at 3 wk after the final flurprimidol treatment and was only ^D20% in the spring. However, leaf discoloration injury from the initial October application ranged from 26 to 30% for paclobutrazol in 1993 and 21 to 28% for flurprimidol in 1994. When injury occurred in October it was temporary and the creeping bentgrass recovered within 3 to 4 wk. Paclobutrazol and flurprimidol applied in November did not injure creeping bentgrass." |
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| Language: | English |
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| References: | 14 |
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| See Also: | Other items relating to: POA |
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| Note: | Tables |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Johnson, J. B., and T. R. Murphy. 1996. Suppression of a perennial subspecies of annual bluegrass (Poa annua spp. reptans) in a creeping bentgrass (Agrostis stolonifera) green with plant growth regulators. Weed Technol. 10(4):p. 705-709. |
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