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| Web URL(s): | https://dl.sciencesocieties.org/publications/aj/pdfs/61/5/AJ0610050655
Last checked: 12/09/2016
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| Publication Type:
| Refereed |
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| Author(s): | McVey, G. R.;
Mayer, E. W. |
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| Author Affiliation: | Research Agronomists, O. M. Scott and Sons, Marysville, Ohio |
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| Title: | Response of 'Tifgreen' bermudagrass and 'Windsor' Kentucky bluegrass to various light spectra modifications |
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| Source: | Agronomy Journal. Vol. 61, No. 5, September/October 1969, p. 655-659. |
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| Publishing Information: | Washington, D.C.: American Society of Agronomy |
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| # of Pages: | 5 |
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| Related Web URL: | https://dl.sciencesocieties.org/publications/aj/abstracts/61/5/AJ0610050655
Last checked: 12/09/2016
Access conditions: Item is within a limited-access website
Notes: Abstract only |
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| Keywords: | TIC Keywords: Poa pratensis; Cynodon dactylon; Shade; Clipping weight; Visual evaluation; Color evaluation; Quality evaluation; Clippings; Density; Shade resistance; Light quality; Light intensity; Height
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| Cultivar Names: | Tifgreen; Windsor |
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| Abstract/Contents: | "Windsor Kentucky bluegrass (Poa Pratensis, L. 'Windsor') and Tifgreen bermudagrass (Cynodon dactylon, L. 'Tifgreen') were grown under transparent, acrylic plastic panels during the summer months (June 1 to October 1, 1966) under outdoor conditions. Various acrylic plastic units were selected with the transmittance in the blue (410-510 mĪ¼) ranging from 18 to 74% of full sunlight and in the grey (390-760 mĪ¼) ranging from 15 to 71% of full sunlight. Turfgrass color and quality (aesthetic value) were increased and clipping length and fresh weight removal reduced when bluegrass and bermudagrass were exposed to blue light as compared to grey light, at comparable light transmittance levels. These differences were more striking at the lower light intensities (less than 60% transmittance). Seedhead formation of bermudagrass was stimulated when the grass was grown under blue-tinted acrylic plastic and suppressed when grown under grey-tinted acrylic plastic. The degree of injury (as reflected by turf density) was not markedly altered by light quality except at very low light intensities. Bermudagrass was severely injured when grown under grey-tinted acrylic plastic with less than 20% transmittance, whereas turf grown under blue-tinted acrylic plastic at low light intensities was only slightly injured. The minimum light quantity for acceptable turf quality of Tifgreen bermudagrass and Windsor Kentucky bluegrass should exceed 40% to 50% transmittance of the full sunlight, if the turf is grown in blue transmitted sunlight or 60 to 70% transmittance if grown in grey transmitted sunlight." |
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| Language: | English |
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| References: | 17 |
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| Note: | Brief summary appears in the Journal of the Sports Turf Research Institute, 1969, Vol. 45, p. 112
Pictures, b/w
Tables
Graphs |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
McVey, G. R., and E. W. Mayer. 1969. Response of 'Tifgreen' bermudagrass and 'Windsor' Kentucky bluegrass to various light spectra modifications. Agron. J. 61(5):p. 655-659. |
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| Web URL(s):
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Last checked: 12/09/2016
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
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MSU catalog number: S 22 .A45 |
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