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| Full TGIF Record # 336599 Item 1 of 1 |
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| Web URL(s): | https://archive.lib.msu.edu/tic/ressum/2023/2023.pdf#page=113 Last checked: 05/09/2024 Requires: PDF Reader Notes: Item is within a single large file |
| Publication Type: | Report |
| Author(s): | Richardson, Michael; Brosnan, James; Patton, Aaron |
| Author Affiliation: | Richardson: University of Arkansas; Brosnan: University of Tennessee; Patton: Purdue University |
| Title: | Shade and water quality effects on efficacy of plant growth regulators |
| Section: | Integrated turfgrass management Other records with the "Integrated turfgrass management" Section Ecophysiology: Light and temperature Other records with the "Ecophysiology: Light and temperature" Section |
| Source: | Mike Davis Program for Advancing Golf Course Management: 2023 Progress Reports. 2023, p. 105-109. |
| Publishing Information: | Liberty Corner, New Jersey: The United States Golf Association Green Section |
| # of Pages: | 5 |
| Keywords: | TIC Keywords: Application timing; Cations; Cynodon dactylon x Cynodon transvaalensis; Field tests; Golf green maintenance; Growth regulator evaluation; Shade assessment; Trinexapac-ethyl; Water quality |
| Cultivar Names: | TifEagle |
| Trade Names: | Primo Maxx |
| Language: | English |
| References: | 7 |
| See Also: | Other Reports from this USGA research project: 2021-07-731 |
| Note: | Tables Graphs |
| USGA Summary Points: | Plant growth regulators (PGR) are commonly used on putting green turf to enhance performance to reduce the overall growth of the turf. In recent years, the application timing strategy has moved towards a growing-degree based model compared to calendar-based applications. PGRs have been shown to enhance plant performance in shaded environments, especially on warm-season grasses. A field study was conducted at two locations in 2021 and repeated in 2022 to compared different PGR application timings (calendar vs GDD) under 4 differing shade levels. At both locations, calendar-based applications of Primo Maxx consistently produced higher quality under shaded conditions compared to a GDD application timing (data reported in 2023). Studies to investigate the effects of water quality on PGR efficacy were initiated in 2023. Trinexapac-ethyl (Primo Maxx) effectively suppressed the growth of TifEagle bermudagrass when mixed with various divalent cations. None of the divalent cations caused a reduction in Primo Maxx efficacy indicating that golf course superintendents can effectively tank-mix macronutrients and micronutrients with trinexapac-ethyl without reducing PGR efficacy. |
| ASA/CSSA/SSSA Citation (Crop Science-like – may be incomplete): | Richardson, M., J. Brosnan, and A. Patton. 2023. Shade and water quality effects on efficacy of plant growth regulators. USGA Turfgrass Environ. Res. Summ. p. 105-109. |
| Fastlink to access this record outside TGIF: | http://tic.msu.edu/tgif/flink/RECNO/336599 |
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| Web URL(s) : | https://archive.lib.msu.edu/tic/ressum/2023/2023.pdf#page=113 Last checked: 05/09/2024 Requires: PDF Reader Notes: Item is within a single large file |
| MSU catalog number: | b3609415 |
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