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| Web URL(s): | http://www.jstor.org/stable/2557282?seq=1#page_scan_tab_contents
Last checked: 05/15/2017
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| Publication Type:
| Refereed |
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| Author(s): | Poorter, Hendrik;
Pothmann, Peter |
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| Author Affiliation: | Department of Plant Ecology and Evolutionary Biology, University of Utrecht, Utrecht, The Netherlands |
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| Title: | Growth and carbon economy of a fast-growing and a slow-growing grass species as dependent on ontogeny |
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| Source: | New Phytologist. Vol. 120, No. 1, January 1992, p. 159-166. |
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| Publishing Information: | Oxford, England: Cambridge University Press. |
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| # of Pages: | 8 |
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| Keywords: | TIC Keywords: Growth analysis; Growth rate; Photosynthesis; Respiration; Holcus lanatus; Deschampsia flexuosa; Ontogeny; Carbon
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| Abstract/Contents: | "In previous experiments systematic differences have been found in the morphology, carbon economy and chemical composition of seedlings of inherently fast- and slow-growing plant species. The present experiment was to investigate whether these differences persist when plants become larger. Plants of the inherently fast-growing Holus lanatus L. and the inherently slow-growing Deschampsia flexuosa (L.) Trin. were grown under standardized conditions and growth, photosynthesis, respiration and carbon and nitrogen content were followed over a period of 4 to 7 weeks. Differences in relative growth rate were mainly due to the higher leaf area ratio (leaf area:plant weight) of the fast-growing species. Rates of photosynthesis differed substantially when expressed on a leaf weight basis, but only slightly when expressed per unit leaf area. Although most parameters showed some ontogenetic drift, differences found for young seedlings persisted at least until plants reached a dry weight of circa 3 g. Therefore, at least for these two species, the conclusions based on interspecific variation in relative growth rate of young seedlings apply to larger plants as well." |
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| Language: | English |
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| References: | 26 |
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| Note: | Tables
Graphs |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Poorter, H., and P. Pothmann. 1992. Growth and carbon economy of a fast-growing and a slow-growing grass species as dependent on ontogeny. New Phytol. 120(1):p. 159-166. |
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| Web URL(s):
http://www.jstor.org/stable/2557282?seq=1#page_scan_tab_contents
Last checked: 05/15/2017
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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