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| Web URL(s): | http://www.nrcresearchpress.com/doi/pdf/10.1139/b04-066
Last checked: 03/05/2015
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
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| Publication Type:
| Refereed |
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| Author(s): | del-Val, Ek;
Crawley, Michael J. |
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| Author Affiliation: | Department of Biological Sciences, Imperial College, Silwood Park, Ascot, United Kingdom |
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| Title: | Interspecific competition and tolerance to defoliation in four grassland species |
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| Source: | Canadian Journal of Botany. Vol. 82, No. 7, July 2004, p. 871-877. |
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| Publishing Information: | Vancouver, British Columbia: The National Research Council of Canada. |
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| # of Pages: | 7 |
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| Keywords: | TIC Keywords: Competition; Defoliation; Trifolium repens; Rumex acetosella; Vicia sativa; Pastures; Forage
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| Abstract/Contents: | "Herbivory and competition are known to influence plant performance. Recent investigations showed that tolerance is an important strategy for plant survival under herbivory, but few have examined its interaction with plant competition. We evaluated in a greenhouse experiment if plant tolerance to defoliation is related to species presence in a grazed habitat and how plant tolerance to herbivory changes in a competitive environment. Regrowth capacity of four grassland species, Trifolium repens L., Rumex acetosella L., Vicia sativa L., subsp. nigra (L.) Ehrh., and Senecio jacobaea L., was evaluated as the capacity to decompensate for 75% of aboveground biomass removed. Target plants were also grown in competition with Festuca rubra L. subsp. rubra, and different clipping treatments were applied. Plant biomass (above- and below-ground) was measured after 5 months. Rumex acetosella, T. repens and S. jacobaea were able to compensate fully when grown alone. In competition, only R. acetosella was still able to regrow. In no case did clipping the competitor improve target plant performance (i.e., no beneficial effect from competitor release). These results highlight the importance of considering plant competition when studying plant responses to herbivory." |
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| Language: | English |
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| References: | 60 |
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| Note: | Abstract also appears in French
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
del-Val, E., and M. J. Crawley. 2004. Interspecific competition and tolerance to defoliation in four grassland species. Can. J. Bot. 82(7):p. 871-877. |
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| Web URL(s):
http://www.nrcresearchpress.com/doi/pdf/10.1139/b04-066
Last checked: 03/05/2015
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
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MSU catalog number: QK 1 .C3 |
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