Full TGIF Record # 4703
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Author(s):Duder, F. R.
Author Affiliation:Dep. of Agric. Sci., Massey Univ., Palmerston North, New Zealand
Title:Analysis of variation in a local population of perennial ryegrass (Lolium perenne L.)
Source:Proceedings of the New Zealand Grassland Association. Vol. 38, No. 2, 1978, p. 256-257.
Publishing Information:Wellington: New Zealand Grassland Association
Keywords:TIC Keywords: Lolium perenne; Variations; Morphology; Flowering; Ecotype breeding
Abstract/Contents:Perennial ryegrass plants from 9 sites on a farm at Mangere were planted out as spaced plants in continuous rows, and observations on leaf growth and selected morphological and physiological characters were made in 1974-5. There were significant differences in leaf growth between populations; there was no evidence to suggest periodicity of leaf growth. There was no consistency in the 2 significant tiller angle observations; populations changed in plant structure with time. Significant differences in tiller density were found between broad groups of populations. There was no significant difference in leaf width or rust susceptibility between populations. Significant differences in the date of heading occurred, which related to summer regrowth. The implications of extended summer growth observed in the Mangere 'ecotype' for breeding a late-heading perennial ryegrass were suggested.
Geographic Terms:New Zealand
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Duder, F. R. 1978. Analysis of variation in a local population of perennial ryegrass (Lolium perenne L.). Proc. N.Z. Grassland Assoc. 38(2):p. 256-257.
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MSU catalog number: SB 197 .N4
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