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| DOI: | 10.2134/agronj2018.01.0071 |
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| Web URL(s): | https://dl.sciencesocieties.org/publications/aj/articles/110/6/2151
Last checked: 12/06/2018
Access conditions: Item is within a limited-access website
https://dl.sciencesocieties.org/publications/aj/pdfs/110/6/2151
Last checked: 12/06/2018
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Access conditions: Item is within a limited-access website
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| Publication Type:
| Refereed |
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| Author(s): | Pease, Ben W.;
Stier, John C. |
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| Author Affiliation: | Pease: Dep. of Horticulture, Iowa State Univ., Ames, IA; Stier: Dep. of Plant Sciences, Univ. of Tennessee, Knoxville, TN |
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| Title: | Nitrogen rate and growth regulator effects on shaded velvet and creeping bentgrasses |
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| Section: | European Turfgrass Society Conference
Other records with the "European Turfgrass Society Conference" Section
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| Source: | Agronomy Journal. Vol. 110, No. 6, November/December 2018, p. 2151-2158. |
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| Publishing Information: | Madison, Wisconsin: American Society of Agronomy |
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| # of Pages: | 8 |
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| Related Web URL: | https://dl.sciencesocieties.org/publications/aj/abstracts/110/6/2151
Last checked: 12/06/2018
Notes: Abstract only |
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| Keywords: | TIC Keywords: Agrostis canina; Agrostis stolonifera; Fertilization rates; Fertilizer evaluation; Morphological responses; Nitrogen fertility; Quality evaluation; Shade assessment; Trinexapac-ethyl; Turfgrass quality
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| Trade Names: | Tyee; Vesper |
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| Abstract/Contents: | "Shading of golf course putting greens often reduces turf quality (TQ). Observations suggested velvet bentgrass (Agrostis canina L., VBG) was more shade tolerant than creeping bentgrass (A. stolonifera L., CBG). Our objectives were to compare the TQ and growth response of 'Vesper' VBG and 'Tyee' CBG to N rates and growth regulator application under 80% shade. The experimental design was a randomized block, strip-split plot with four replications. Foliar urea N was applied every 14 d at annual N rates of 49, 98, and 196 kg ha-1. Trinexapac-ethyl (TE, 0.00 and 0.05 kg a.i. ha-1) was applied every 28 d. Treatments were applied May through October 2009 and 2010. Data collected were TQ, clipping yield, relative chlorophyll index (RCI), and ball roll distance. Nitrogen rate affected TQ more than TE application, though effects of both factors were significant in both years. Turf quality differences between species only affected TQ in 2010 when CBG had higher TQ than VBG on 9 of 19 dates. Rating date and N rate accounted for most clipping yield differences. In 2009, VBG had less clipping yield than CBG. Differences in RCI were greatest in 2010, with 196 kg ha-1 N having significantly lower RCIs than the other N rates when compared across rating dates. Nitrogen rate and species each affected ball roll distances. Neither VBG nor CBG provided acceptable putting green TQ at 80% shade. Application of TE and 49 kg ha-1 yr-1 N resulted in the highest TQ for the longest duration." |
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| Language: | English |
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| References: | 40 |
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| See Also: | See also related article "Velvet vs. creeping: Shining some light on managing bentgrasses in shade: An overlooked bentgrass species could provide a solution for some superintendents struggling with shaded putting greens" Golf Course Management, 87(12) December 2019, p. 70-75, R=309880. R=309880 |
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| Note: | Tables
Graphs |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Pease, B. W., and J. C. Stier. 2018. Nitrogen rate and growth regulator effects on shaded velvet and creeping bentgrasses. Agron. J. 110(6):p. 2151-2158. |
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| DOI: 10.2134/agronj2018.01.0071 |
| Web URL(s):
https://dl.sciencesocieties.org/publications/aj/articles/110/6/2151
Last checked: 12/06/2018
Access conditions: Item is within a limited-access website
https://dl.sciencesocieties.org/publications/aj/pdfs/110/6/2151
Last checked: 12/06/2018
Requires: PDF Reader
Access conditions: Item is within a limited-access website
Notes: Direct download |
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MSU catalog number: b2212646a |
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