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| Publication Type:
| Refereed |
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| Author(s): | Akers, Stuart W.;
Green, Robert L. |
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| Author Affiliation: | Dept. of Horticulture and Landscape Architecture, Oklahoma State University, Stillwater, OK |
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| Title: | A Modular Assimilation Chamber for Carbon Exchange Rate Measurements of Turf |
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| Source: | HortScience. Vol. 22, No. 1, February 1987, p. 151-153. |
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| Publishing Information: | St. Joseph, MI : American Society for Horticultural Science |
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| Keywords: | TIC Keywords: Poa pratensis; Festuca arundinacea; Photosynthesis; Carbon dioxide exchange rate; Equipment
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| Abstract/Contents: | "A modular assimilation chamber (MAC) was developed for rapid examination of CO2 exchange rate (CER) of multiple turfgrass replicates. Kentucky bluegrass (Poa pratensis L. 'Enoble') and tall fescue (Festuca arundinacea Schreb. 'Houndog') were grown in Cone-tainers with attached base plates under greenhouse conditions. A chamber top was sealed to the base plate to complete the MAC. It then was used under laboratory conditions to measure CER by an open, differential CO2 method or by closed chamber-syringe sampling method. The two-module concept provided a relatively simple tool for making rapid, multiple measurements of CER when used as part of a closed system. However, a larger chamber volume is needed for closed system measurements because: 1) CER values were significantly larger with the open system, 2) rapid drops in CO2 concentration occurred during closed-system measurements, and 3) CER measurements after 2 min. of closure were significantly lower than those made after 1 min. of closure." |
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| Language: | English |
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| References: | 8 |
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| Note: | Pictures
Figures
Tables |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Akers, S. W., and R. L. Green. 1987. A Modular Assimilation Chamber for Carbon Exchange Rate Measurements of Turf. HortScience. 22(1):p. 151-153. |
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MSU catalog number: SB 1 .H64 |
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