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| Web URL(s): | http://onlinelibrary.wiley.com/doi/10.1111/j.1744-7348.1983.tb02727.x/abstract
Last checked: 09/25/2015
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Notes: Abstract only
http://onlinelibrary.wiley.com/doi/10.1111/j.1744-7348.1983.tb02727.x/epdf
Last checked: 09/25/2015
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| Publication Type:
| Refereed |
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| Author(s): | Williams, E. D. |
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| Author Affiliation: | Weed Research Council Weed Research Organization, Begbroke Hill, Yarnton, Oxford |
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| Title: | Germinability and enforced dormancy in seeds of species of indigenous grassland |
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| Source: | Annals of Applied Biology. Vol. 102, No. 3, June 1983, p. 557-566. |
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| # of Pages: | 10 |
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| Keywords: | TIC Keywords: Poa annua; Poa trivialis; Lolium perenne; Cynosurus cristatus; Festuca rubra subsp. rubra; Holcus lanatus; Deschampsia cespitosa; Agrostis tenuis; Seed germination; Seeds; Ranunculus repens; Ranunculus acris; Luzula campestris; Germinability
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| Geographic Terms: | UK |
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| Abstract/Contents: | "Germination of seeds of several spp. from indigenous grassland was tested at an alternating temp. regime in incubators, soon after they were shed in 1978 and also after various intervals of dry storage at outdoor ambient temp. Concomitant investigations were made of seedling emergence from and seed survival at different depths of soil in pots; Poa annua and P. trivialis were investigated separately in 1979. Almost all seeds of Lolium perenne, Cynosurus cristatus, Festuca rubra and Holcus lanatus germinated readily, but c. 30% of Deschampsia cespitosa seeds and c. 15% of fresh early-shed Agrostis capillaris did not germinate until they were also given GA. More late- than early-shed seed of the latter 2 spp. germinated and their seeds became more germinable with increasing length of storage. Of the dicotyledonous spp. tested, germination of Cerastium fontanum subsp. glabrescens was rapid and complete, but that of Ranunculus spp. was particularly protracted. All Ranunculus repens seeds and a large proportion of Ranunculus acris seeds were highly dormant. Species differed greatly in their ability to emerge from and persist at different depths in pots. The most persistent species after 15 months were R. repens (69%), A. capillaris (39%), Luzula campestris (37%), C. fontanum subsp. glabrescens (30%), P. trivialis (8%), D. caespitosa (7%) and H. lanatus (3%). A mean of 42% of P. annua and 16% of P. trivialis seeds persisted from autumn 1979 until late spring 1980, but pre-imbibing the seeds decreased seed persistence to 12% and 4%, resp. The results are discussed in relation to previously published information on the germination biology of the spp. and to the different abilities of the spp. to become part of the soil seed population." |
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| Language: | English |
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| References: | 41 |
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| Note: | Tables |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Williams, E. D. 1983. Germinability and enforced dormancy in seeds of species of indigenous grassland. Ann. Appl. Biol. 102(3):p. 557-566. |
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| Web URL(s):
http://onlinelibrary.wiley.com/doi/10.1111/j.1744-7348.1983.tb02727.x/abstract
Last checked: 09/25/2015
Access conditions: Item is within a limited-access website
Notes: Abstract only
http://onlinelibrary.wiley.com/doi/10.1111/j.1744-7348.1983.tb02727.x/epdf
Last checked: 09/25/2015
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
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MSU catalog number: QH 301 .A48 |
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