Full TGIF Record # 15358
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Web URL(s):http://onlinelibrary.wiley.com/doi/10.1111/j.1365-2494.1989.tb01931.x/epdf
    Last checked: 10/02/2015
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Publication Type:
i
Refereed
Author(s):Humphreys, M. O.
Author Affiliation:AFRC Institute of Grassland and Animal Production, Welsh Plant Breeding Station, Aberystwyth, U.K.
Title:Water-soluble carbohydrates in perennial ryegrass breeding. I. Genetic differences among cultivars and hybrid progeny grown as spaced plants
Source:Grass and Forage Science. Vol. 44, No. 2, June 1989, p. 231-236.
Publishing Information:Oxford, Blackwell Scientific Publications
Keywords:TIC Keywords: Carbohydrates; Lolium perenne; Heterosis; Genetics; Seedhead development
Abstract/Contents:"Water-soluble carbohydrate (WSC) contents of the early heading perennial ryegrass cultivar Aurora and five late heading cultivars were assessed in samples from spaced plants cut five times in 1982. Aurora had the highest overall WSC content, Majestic and Aberystwyth S23 had the lowest while Perma, Melle and Ba 9795 were intermediate. Samples from F1 and F2 spaced plants derived from crosses between Aurora and the five late heading cultivars were also analysed for WSC contents and heading dates were recorded. As expected, heading date behaved as a polygenic character controlled mainly by additive gene effects. However, WSC contents behaved in a more complex way with evidence of nonadditive gene effects comprising dominance, overdominance (heterosis) and epistasis. It was concluded that by crossing contrasting cultivars, significant improvements in WSC content could be achieved, which may be more stable than those obtained by within-cultivar selection."
Language:English
References:26
Note:Tables
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Humphreys, M. O. 1989. Water-soluble carbohydrates in perennial ryegrass breeding. I. Genetic differences among cultivars and hybrid progeny grown as spaced plants. Grass Forage Sci. 44(2):p. 231-236.
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Web URL(s):
http://onlinelibrary.wiley.com/doi/10.1111/j.1365-2494.1989.tb01931.x/epdf
    Last checked: 10/02/2015
    Requires: PDF Reader
    Access conditions: Item is within a limited-access website
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MSU catalog number: SB 197 .B7
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