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| DOI: | 10.2135/cropsci2018.12.0724 |
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| Web URL(s): | https://dl.sciencesocieties.org/publications/cs/articles/59/4/1789
Last checked: 08/07/2019
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| Publication Type:
| Refereed |
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| Author(s): | Liu, Wenwen;
Unruh, J. Bryan;
Kenworthy, Kevin E.;
MacDonald, Gregory E.;
Trenholm, Laurie E.;
Leon, Ramon G. |
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| Author Affiliation: | Liu, Kenworthy, and MacDonald: Dep. of Agronomy, Univ. of Florida, Gainesville, FL; Unruh: West Florida Research and Education Center, Univ. of Florida, Jay, FL; Trenholm: Dep. of Environmental Horticulture, Univ. of Florida, Gainesville, FL; Leon: Dep. of Crop and Soil Sciences, North Carolina State Univ., Raleigh, NC |
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| Title: | Application timing affects tolerance of zoysiagrass to fluazifop-P-butyl and safening effect of triclopyr |
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| Section: | Turfgrass science
Other records with the "Turfgrass science" Section
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| Source: | Crop Science. Vol. 59, No. 4, July/August 2019, p. 1789-1798. |
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| Publishing Information: | Madison, Wisconsin: Crop Science Society of America |
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| # of Pages: | 10 |
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| Related Web URL: | https://dl.sciencesocieties.org/publications/cs/abstracts/59/4/1789
Last checked: 08/07/2019
Notes: Abstract only
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| Keywords: | TIC Keywords: Application timing; Aryloxyphenoxypropionic herbicides; Cultivar variation; Fluazifop-P-butyl; Injurious factors; Postemergence weed control; Seasonal variation; Tank mix; Triclopyr; Turfgrass quality; Zoysia japonica; Zoysia japonica X Zoysia tenuifolia
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| Cultivar Names: | Empire; Zeon; Geo Zoysia |
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| Abstract/Contents: | "Aryloxyphenoxypropionate (AOPP) herbicides, such as fluazifop-P-butyl, can be used for postemergence control of grassy weeds in zoysiagrass (Zoysia spp.), although the turf might suffer transient injury. This injury can be reduced by tank mixing fluazifop-P-butyl with triclopyr, an herbicide that behaves as a safener for AOPP herbicides. To characterize seasonal variation in zoysiagrass injury caused by fluazifop-P-butyl and triclopyr applications, we conducted a 2-yr study on three Zoysia spp. cultivars ('Empire', 'Geo', and 'Zeon') at Jay, FL, from August 2015 to April 2017, evaluating how injury and turf quality were affected after spring, summer, and fall applications. The level of injury and changes in turf quality were influenced by fluazifop-P-butyl application timing, but the most sensitive season varied with the cultivar. The seasons with the greatest injury were also the ones in which the safening activity of triclopyr was most effective. In addition, when triclopyr was applied with fluazifop-P-butyl, the quality of all evaluated cultivars recovered to the level of nontreated controls by 2 wk after treatment. Nonstructural carbohydrate content was not affected by herbicide applications, but there were major differences in glucose and starch content between above- and belowground tissue depending on cultivar and season. Overall, our study confirmed that tank mixing triclopyr can reduce fluazifop-P-butyl phytotoxicity in zoysiagrass, and in the case of relatively tolerant cultivars, it might allow the use of rates higher than the current labeled rate with little negative impact on turf quality while providing better control of both broadleaf and grassy weeds." |
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| Language: | English |
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| References: | 34 |
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| See Also: | See also related presentation "Application timing affects tolerance of zoysiagrass toward fluazifop and safening effect of triclopyr" ASA, CSSA and SSSA International Annual Meetings, 2017, p. 105209, R=290366. R=290366 |
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| Note: | Tables
Graphs |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Liu, W., J. B. Unruh, K. E. Kenworthy, G. E. MacDonald, L. E. Trenholm, and R. G. Leon. 2019. Application timing affects tolerance of zoysiagrass to fluazifop-P-butyl and safening effect of triclopyr. Crop Sci. 59(4):p. 1789-1798. |
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| DOI: 10.2135/cropsci2018.12.0724 |
| Web URL(s):
https://dl.sciencesocieties.org/publications/cs/articles/59/4/1789
Last checked: 08/07/2019
Access conditions: Item is within a limited-access website
https://dl.sciencesocieties.org/publications/cs/pdfs/59/4/1789
Last checked: 08/07/2019
Requires: PDF Reader
Access conditions: Item is within a limited-access website
Notes: Direct download |
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MSU catalog number: b2211522a |
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