Full TGIF Record # 159995
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Web URL(s):http://www3.interscience.wiley.com/cgi-bin/fulltext/119425862/HTMLSTART
    Last checked: 02/23/2010
    Last checked: 02/23/2010
    Requires: PDF Reader
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Author(s):Tobina, Hiroyuki; Yamashita, Masayuki; Koizumi, Atsuhiro; Fujimori, Masahiro; Takamizo, Tadashi; Hirata, Mariko; Yamada, Toshihiko; Sawada, Hitoshi
Author Affiliation:Tobina: United Graduate School of Agricultural Science, Gifu University (Shizuoka University), Gifu; Yamashita, Koizumi and Sawada: Faculty of Agriculture, Shizuoka University, Shizuoka; Fujimori: Yamanashi Prefectural Dairy Experiment Station, Yamanashi; Takamizo: National Institute of Livestock and Grassland Science; Hirata: Japan Grassland Agriculture & Forage Seed Association, Tochigi; Yamada: Field Science Center for Northern Biosphere, Hokkaido University, Hokkaido, Japan
Title:Hybridization between perennial ryegrass and Italian ryegrass in naturalized Japanese populations
Source:Grassland Science. Vol. 54, No. 2, June 2008, p. 69-80.
# of Pages:12
Publishing Information:Oxford, England: Blackwell Pub.
Related Web URL:http://www3.interscience.wiley.com/journal/119425862/abstract
    Last checked: 05/24/2010
    Notes: Abstract only
Keywords:TIC Keywords: Cultivar variation; DNA; Genetic analysis; Hybridization; Lolium multiflorum; Lolium perenne; Naturalizing
Abstract/Contents:"Introduced Lolium species, including perennial ryegrass (Lolium perenne) and Italian ryegrass (Lolium multiflorum), have been widely utilized in Japan for forage, turf and soil conservation. These ryegrasses have escaped from cultivated areas and become naturalized, and this has become a serious issue in recent years. Interspecific hybrids between perennial ryegrass and Italian ryegrass have often been found in naturalized populations. It has also been suggested that hybridization between plant species might serve as a stimulus for the evolution of invasiveness. We surveyed the genetic structure of naturalized ryegrass populations in Japan using genetic markers that distinguished perennial ryegrass and Italian ryegrass. Of the 55 naturalized populations surveyed, 41 exhibited morphological traits of Italian ryegrass. DNA analysis using simple sequence repeat and chloroplast DNA markers characterized 20 of these 41 populations as Italian ryegrass, with the remaining populations as interspecific hybrid derivatives. Approximately half of the naturalized ryegrasses populations in Japan were inferred to include interspecific hybrids."
Geographic Terms:Japan
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Tobina, H., M. Yamashita, A. Koizumi, M. Fujimori, T. Takamizo, M. Hirata, et al. 2008. Hybridization between perennial ryegrass and Italian ryegrass in naturalized Japanese populations. Grassland Science. 54(2):p. 69-80.
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DOI: 10.1111/j.1744-697X.2008.00108.x
Web URL(s):
    Last checked: 02/23/2010
    Last checked: 02/23/2010
    Requires: PDF Reader
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MSU catalog number: b4979016~S1a
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