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| Web URL(s): | https://dl.sciencesocieties.org/publications/aj/pdfs/93/5/1164
Last checked: 12/15/2016
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https://dl.sciencesocieties.org/publications/aj/articles/93/5/1164
Last checked: 12/15/2016
Access conditions: Item is within a limited-access website |
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| Publication Type:
| Refereed |
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| Author(s): | Lickfeldt, Darin W.;
Gardner, David S.;
Branham, Bruce E.;
Voigt, THomas B. |
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| Title: | Turfgrass Management: Implications of repeated trinexapac-ethyl applicaitons on Kentucky bluegrass |
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| Section: | Turfgrass management
Other records with the "Turfgrass management" Section
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| Source: | Agronomy Journal. Vol. 93, No. 5, September/October 2001, p. 1164-1168. |
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| Publishing Information: | Madison, WI: American Society of Agronomy |
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| # of Pages: | 5 |
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| Keywords: | TIC Keywords: Fertilization; Trinexapac-ethyl; Poa pratensis; Clippings; Application timing; Application rates; Clipping weight; Dollar spot; Growth regulators
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| Abstract/Contents: | "Reducing turfgrass clipping production is often the goal of managers who recognize the need to save time, money, or landfill space. The objective of this study was to investigate the long-term implications of repeated trinexapac-ethyl [4-(cyclopropyl-α-hydroxy-methylene)-3, 5-dioxocyclohexanecarboxylic acid ethyl ester] applications at two fertility levels (150 and 300 kg N ha-1 yr-1) on Kentucky bluegrass (Poa pratensis L.). Trinexapac-ethyl (TE) was applied at 0.17, 0.23, or 0.29 kg a.i. ha-1 every 4 wk or at 0.23, 0.29, or 0.34 kg. a.i. ha-1 every 6 wk for three growing seasons. Clippings reduced by 22 to 41% when TE was applied every 4 wk(five application per season) from May through August, and turfgrass quality was improved. A 6-wk application schedule (four applications per season) did not reduce clipping production as consistently as the 4-wk application schedule due to a postsuppression rebound effect. Nitrogen fertility above 150 kg N ha-1 yr-1 was not necessary to maintain excellent turfgrass quality. Turf treated with TE consistently displayed better visual quality than untreated turf regardless of the TE applicaiton rate. Repeated applications of TE resulted in less dollar spot disease (Sclerotinia homeocarpa F.T. Bennett). Applications of TE not only reduced Kentucky bluegrass clipping production but were also effective in managing turfgrass growth. THe postsuppression rebound effect can be utilized to manipulate turfgrass growth, allowing the turf to grow rapidly when it is beneficial to do so. No deleterious implications were observed following repeated TE applications." |
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| Language: | English |
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| References: | 23 |
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| Note: | Tables
Graphs |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Lickfeldt, D. W., D. S. Gardner, B. E. Branham, and T. B. Voigt. 2001. Turfgrass Management: Implications of repeated trinexapac-ethyl applicaitons on Kentucky bluegrass. Agron. J. 93(5):p. 1164-1168. |
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| Web URL(s):
https://dl.sciencesocieties.org/publications/aj/pdfs/93/5/1164
Last checked: 12/15/2016
Requires: PDF Reader
Access conditions: Item is within a limited-access website
https://dl.sciencesocieties.org/publications/aj/articles/93/5/1164
Last checked: 12/15/2016
Access conditions: Item is within a limited-access website |
| 
MSU catalog number: S 22 .A45 |
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