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| Web URL(s): | http://www.jstor.org/stable/view/1513933
Last checked: 07/16/2014
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http://www.jstor.org/stable/pdfplus/1513933.pdf
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| Publication Type:
| Refereed |
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| Author(s): | Suter, Daniel;
Frehner, Marco;
Fischer, Bernt U.;
Nösberger, Josef;
Lüscher, Andreas |
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| Author Affiliation: | Insitute of Plant Sciences, Swiss Federal Institute of Technology, Zurich, Switzerland |
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| Title: | Elevated CO2 increases carbon allocation to the roots of Lolium perenne under free-air CO2 enrichment but not in a controlled environment |
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| Section: | Research
Other records with the "Research" Section
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| Source: | New Phytologist. Vol. 154, No. 1, April 2002, p. 65-75. |
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| Publishing Information: | Oxford, England: Blackwell Publishing, for the New Phytologist Trust |
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| # of Pages: | 11 |
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| Related Web URL: | http://www.jstor.org/stable/info/1513933
Last checked: 07/16/2014
Notes: Abstract only |
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| Keywords: | TIC Keywords: Carbon dioxide; Roots; Lolium perenne; Dry weight; Biomass; Root-shoot ratio
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| Abstract/Contents: | "Grass swards often show a higher root-shoot ratio of dry matter (R : SDM) at elevated [CO2] than at ambient [CO2]. However, it is not known whether this is a result of a sustained increase in C allocation to the roots. The effects of free-air CO2 enrichment (FACE) on carbon allocation to roots in established Lolium perenne (perennial ryegrass) swards during regrowth were investigated by means of 14C labelling and compared with data from a controlled environment experiment. Elevated [CO2] in the field increased root dry matter (109%), R : SDM (44%) and, in accordance, root-shoot 14C ratios (R : S14C,39%), as well as the intercept of the allometric line. By contrast, elevated [CO2] did not affect the allometry of the plants under controlled conditions. However, at low N concentration in the nutrient solution, the R : SDM and the intercept of the allometric line increased. It is suggested that the remarkably different responses to elevated [CO2] under field and controlled conditions result from differences in both N availability for growth, and C sink strength of the shoots." |
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| Language: | English |
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| References: | 59 |
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| See Also: | Other items relating to: Carbon sequestration of turf |
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| Note: | Tables
Graphs |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Suter, D., M. Frehner, B. U. Fischer, J. Nösberger, and A. Lüscher. 2002. Elevated CO2 increases carbon allocation to the roots of Lolium perenne under free-air CO2 enrichment but not in a controlled environment. New Phytol. 154(1):p. 65-75. |
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| Web URL(s):
http://www.jstor.org/stable/view/1513933
Last checked: 07/16/2014
Access conditions: Item is within a limited-access website
http://www.jstor.org/stable/pdfplus/1513933.pdf
Last checked: 07/16/2014
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
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MSU catalog number: QK 1 .N38 |
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