Full TGIF Record # 16777
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DOI:10.4141/cjps91-139
Web URL(s):http://pubs.aic.ca/doi/pdfplus/10.4141/cjps89-139
    Last checked: 10/01/2015
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Publication Type:
i
Refereed
Author(s):Acharya, Surya N.
Author Affiliation:Alberta Environmental Centre, Vegreville, Alberta, Canada
Title:Germination Response of Two Alpine Grasses From the Rocky Mountains of Alberta
Source:Canadian Journal of Plant Science. Vol. 69, October 1989, p. 1165-1177.
Publishing Information:Ottawa: Agricultural Institute of Canada
# of Pages:14
Keywords:TIC Keywords: Poa alpina; Temperatures; Light; Seed germination
Abstract/Contents:"Germination studies on alpine bluegrass (Poa alpina L.) and broad-glumed wheatgrass (Agropyron latiglume Scribn. and Smith [Rydb.]) were undertaken to determine optimum germination conditions, the presence of seed dormancy and the extent of variability among populations for rapid germination. Poa alpina seeds germinated best under darkness and 16/8 h cycles of 22/15 C temperature, while A. latiglume needed a 29/22 C regime and darkness for best germination. Rapid germination in both species occurred within a narrow range of temperature conditions. Light and suboptimal temperatures appeared to have an inhibitory effect on seed germination during the initial period of imbibition. Germination inhibition through external factors (secondary dormancy) and the presence of primary dormancy in the nursery-grown seeds may be a genetic adaptation to stressful alpine environments. This and the differences among populations for seed germination in both species are encouraging for our breeding program which is developing genotypes for alpine and subalpine reclamation."
Language:English
References:22
Note:Tables
Abstract in English and French
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Acharya, S. N. 1989. Germination Response of Two Alpine Grasses From the Rocky Mountains of Alberta. Can. J. Plant Sci. 69:p. 1165-1177.
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DOI: 10.4141/cjps91-139
Web URL(s):
http://pubs.aic.ca/doi/pdfplus/10.4141/cjps89-139
    Last checked: 10/01/2015
    Requires: PDF Reader
    Access conditions: Item is within a limited-access website
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MSU catalog number: SB 1 .C3
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