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| Web URL(s): | https://academic.oup.com/aob/article/33/5/951/229865/Assimilation-Rate-and-Growth-of-Lolium-Populations
Last checked: 03/02/2017
Access conditions: Item is within a limited-access website
Notes: Guide Page |
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| Publication Type:
| Refereed |
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| Author(s): | Wilson, D.;
Cooper, J. P. |
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| Author Affiliation: | Welsh Plant Breeding Station, Plas Gogerddan, Aberystwyth |
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| Title: | Assimilation rate and growth of Lolium populations in the glasshouse in contrasting light intensities |
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| Source: | Annals of Botany. Vol. 33, No. 5, November 1969, p. 951-965. |
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| Publishing Information: | London, England, United Kingdom: Academic Press Inc. Limited |
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| # of Pages: | 15 |
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| Keywords: | TIC Keywords: Assimilation; Comparisons; Cultivar evaluation; Evaluative methods; Growth analysis; Growth factors; Leaf area ratio; Light intensity; Lolium perenne; Net assimilation rate; Relative growth rate
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| Abstract/Contents: | "Using growth-analysis techniques, the variation in relative growth-rate (RGR) and its components, net assimilation rate (NAR), and leaf-area ratio (LAR), was examined in 18 populations of L. perenne, six of L. multiflorum, and two hybrid cultivars from contrasting climatic and agronomic origins, grown at low and high light intensities in the glasshouse. Significant differences between populations were found for RGR, NAR, and LAR at both light intensities. At both intensities the annual or biennial multiflorum group had a greater LAR and a lower specific leaf weight and chlorophyll content than the perennial perenne group. At the low intensity this was compensated by a greater NAR in the perenne group, with no resultant difference in RGR. At the high intensity there was no difference between the groups in NAR, and hence a greater RGR in the multiflorum group. Within the perenne and multiflorum groups, at both light intensities, the variation between populations in RGR was based on differences in NAR rather than in LAR. There was no regular correlation of NAR with either specific leaf weight, or chlorophyll content at either light intensity, though at low light intensity it was significantly correlated with shoot-root ratio." |
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| Language: | English |
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| References: | 27 |
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| Note: | Tables
Graphs |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Wilson, D., and J. P. Cooper. 1969. Assimilation rate and growth of Lolium populations in the glasshouse in contrasting light intensities. Ann. Bot. 33(5):p. 951-965. |
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| Web URL(s):
https://academic.oup.com/aob/article/33/5/951/229865/Assimilation-Rate-and-Growth-of-Lolium-Populations
Last checked: 03/02/2017
Access conditions: Item is within a limited-access website
Notes: Guide Page |
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MSU catalog number: b2209341a |
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