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| Web URL(s): | http://www.jstor.org/stable/pdf/10.2307/2403136.pdf
Last checked: 01/14/2016
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| Publication Type:
| Refereed |
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| Author(s): | Howe, C. D.;
Chancellor, R. J. |
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| Author Affiliation: | Agricultural Research Council, Weed Research Organization, Begbroke Hill, Yarnton |
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| Title: | Factors affecting the viable seed content of soils beneath lowland pastures |
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| Source: | Journal of Applied Ecology. Vol. 20, No. 3, December 1983, p. 915-922. |
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| Publishing Information: | Oxford, England: Blackwell Scientific Publications |
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| Keywords: | TIC Keywords: Poa annua; Poa trivialis; Festuca rubra subsp. rubra; Lolium perenne; Dormancy
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| Abstract/Contents: | (1) The buried viable seed content was determined for some leys and permanent pastures. Seeds of Poa annua were abundant under the leys, but absent under the permanent pastures. Poa trivialis seeds were present in all the soils sampled, whereas seeds of Festuca rubra and Lolium perenne were generally rare or absent. Other species were also present. (2) Freshly-shed seeds of the four species above were tested for innate dormancy. The effects of light and of burial of seed were also studied. Many of the seeds of P. annua shed early in the season were innately dormant. Burial and darkness enforced dormancy on a proportion of the P. annua and P. trivialis seeds. Seeds of F. rubra and L. perenne had no innate dormancy, nor was dormancy enforced by burial or darkness. (3) The results of the assessments of buried viable seed content are interpreted in the context of the history of the swards and the management practices applied. The presence or absence of dormancy mechanisms, together with the amount of seed produced and the chances of this seed being buried, are discussed in relation to the buried viable seed data. All the results are related to the known sequence of changes in sward botanical composition of lowland pastures after reseeding with L. perenne. |
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| Language: | English |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Howe, C. D., and R. J. Chancellor. 1983. Factors affecting the viable seed content of soils beneath lowland pastures. J. Appl. Ecol. 20(3):p. 915-922. |
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| Web URL(s):
http://www.jstor.org/stable/pdf/10.2307/2403136.pdf
Last checked: 01/14/2016
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
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MSU catalog number: S 3 .J86 |
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