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| DOI: | 10.1002/its2.109 |
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| Web URL(s): | https://onlinelibrary.wiley.com/doi/10.1002/its2.109
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| Publication Type:
| Refereed |
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| Author(s): | Henry, Gerald M.;
Moore, Madison;
Tucker, Kevin A. |
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| Author Affiliation: | Dep. of Crop and Soil Sciences, Univ. of Georgia, Athens, GA |
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| Title: | Response of creeping bentgrass (Agrostis stolonifera) and weed species to plant growth regulators |
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| Section: | Turfgrass weed management - Short communication
Other records with the "Turfgrass weed management - Short communication" Section
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| Source: | International Turfgrass Society Research Journal. Vol. 14, No. 1, June 2022, p. 791-796. |
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| Publishing Information: | s.l.: International Turfgrass Society |
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| # of Pages: | 6 |
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| Abstract/Contents: | "Frequent use of plant growth regulators (PGRs) may decrease the recovery of turfgrass from wear and competition with weeds. The response of new creeping bentgrass (Agrostis stolonifera L.) cultivars to PGRs is unknown. Therefore, we aimed to evaluate the response of several creeping bentgrass cultivars and common turfgrass weeds to PGRs. Creeping bentgrass cultivars ('Penncross', 'L-93', '007', 'V-8', and 'Tour Pro') and weed species - goosegrass [Eleusine indica (L.) Gaertn.] and large crabgrass (Digitaria sanguinalis L.) - were examined. The PGR treatments were trinexapac-ethyl (TE) (48 and 96 g a.i. ha1) and prohexadione calcium (PC) (116 and 231 g a.i. ha-1). Plants were cut to 2.5 cm after 2 wk, and aboveground plant tissue was weighed to obtain biomass. Only 116 g a.i. ha-1 of PC was required to regulate creeping bentgrass, although the higher rate (96 g a.i. ha-1) of TE was needed for moderate regulation [40-50% growth inhibition (GI)], regardless of the cultivar. Some creeping bentgrass cultivars exhibited a differential response to PGRs. The lowest response to TE (22-33% GI) was observed in V-8; however, V-8 was strongly regulated by PC (79-80% GI). Neither PGR successfully regulated goosegrass (14-30% GI), regardless of the rate, but moderate regulation of large crabgrass (40-49% GI) was achieved by TE at 96 g a.i. ha-1, and PC at 116 and 231 g a.i. ha-1. Recurrent PGR applications may shift turfgrass-weed competition dynamics towards weeds such as goosegrass; however, this effect may be PGR-specific." |
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| Language: | English |
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| References: | 27 |
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| See Also: | Original version appears in ASA, CSSA and SSSA International Annual Meetings, 2021, p. 134069, R=317106. R=317106 |
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| Note: | TIC-hosted web link available 2 years after publication date.
Tables |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Henry, G. M., M. Moore, and K. A. Tucker. 2022. Response of creeping bentgrass (Agrostis stolonifera) and weed species to plant growth regulators. Int. Turfgrass Soc. Res. J. 14(1):p. 791-796. |
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| DOI: 10.1002/its2.109 |
| Web URL(s):
https://onlinelibrary.wiley.com/doi/10.1002/its2.109
Last checked: 09/12/2022
Access conditions: Item is within a limited-access website
https://onlinelibrary.wiley.com/doi/epdf/10.1002/its2.109
Last checked: 09/12/2022
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Access conditions: Item is within a limited-access website
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Last checked: 12/12/2022
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