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| DOI: | 10.21273/HORTTECH.25.2.214 |
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| Web URL(s): | https://journals.ashs.org/horttech/view/journals/horttech/25/2/article-p214.xml
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| Publication Type:
| Refereed |
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| Author(s): | Baldwin, Christian M.;
Brede, A. Douglas;
Mayer, Jami J. |
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| Author Affiliation: | Baldwin: Department of Plant Soil Sciences, Mississippi State University, Mississippi State, MS; Brede and Mayer: Jacklin Seed by Simplot, Post Falls ID |
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| Title: | Growth regulation and tank mixing associated with a glysphosate-tolerant perennial ryegrass cultivar |
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| Section: | Research reports
Other records with the "Research reports" Section
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| Source: | HortTechnology. Vol. 25, No. 2, April 2015, p. 214-220. |
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| Publishing Information: | Alexandria, Virginia: American Society for Horticultural Science |
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| # of Pages: | 7 |
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| Keywords: | TIC Keywords: Glyphosate; Growth regulator evaluation; Herbicide combinations; Herbicide resistance; Lolium perenne; Nitrogen; Paclobutrazol; Plant growth regulators; Poa annua control; Tank mix; Trinexapac-ethyl
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| Abstract/Contents: | "With the emergence of glyphosate-tolerant cultivars, identifying management strategies not applicable with older cultivars need to be revisited. Objectives of these research trials were to quantify the growth regulation effects following a glyphosate application and to determine the safety of tank mixing glyphosate with another herbicide, various nitrogen (N) sources, and a plant growth regulator (PGR) on a glyphosate-tolerant perennial ryegrass [PRG (Lolium perenne L.)] cultivar, Replay. In the growth regulation trial, glyphosate was applied at 0 to 1.03 lb/acre, whereas PGRs flurpimidol, trinexapac-ethyl, paclobutrazol, and trinexapac-ethyl + flurpimidol were applied at 0.50, 0.18, 0.37, and 0.09 + 0.22 lb/acre, respectively, on 15 July 2010 and 2 Aug. 2012. In the tank mixing trial, dicamba (0.50 lb/acre), urea (15 lb/acre N), and ammonium sulfate [AMS (15 lb/acre N)] were applied alone or tank mixed with glyphosate at 0 to 0.52 lb/acre. Tank mixing urea with glyphosate had minimal effect on PRG color, while adding AMS consistently improved color at the highest glyphosate rate of 0.52 lb/acre. Twenty days following a glyphosate application, only rates >0.40 lb/acre resulted in significant growth regulation compared with untreated plots. This study indicates that tank mixing glyphosate with another herbicide, a PGR, and various N sources appear safe to the glyphosate-tolerant PRG cultivar. Also, the growth regulating effects of glyphosate applications would serve as an additional benefit to annual bluegrass (Poa annua L.) control reported in previous trials." |
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| Language: | English |
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| References: | 26 |
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| Note: | "Journal Article No. J-12566 of the Mississippi Agricultural and Forestry Experiment Station, Mississippi State University"
Tables |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Baldwin, C. M., A. D. Brede, and J. J. Mayer. 2015. Growth regulation and tank mixing associated with a glysphosate-tolerant perennial ryegrass cultivar. HortTechnology. 25(2):p. 214-220. |
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| DOI: 10.21273/HORTTECH.25.2.214 |
| Web URL(s):
https://journals.ashs.org/horttech/view/journals/horttech/25/2/article-p214.xml
Last checked: 04/28/2020
Access conditions: Item is within a limited-access website
https://journals.ashs.org/horttech/downloadpdf/journals/horttech/25/2/article-p214.xml
Last checked: 04/28/2020
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
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