Agronomic evaluation of perennial ryegrass wild populations from Ireland for use in French plant breeding programmes

@article{Charmet1989AgronomicEO,
  title={Agronomic evaluation of perennial ryegrass wild populations from Ireland for use in French plant breeding programmes},
  author={G. Charmet and A. Bion and F. Balfourier},
  journal={Agronomie},
  year={1989},
  volume={9},
  pages={985-991}
}
(...) After an analysis of variance, the mean population effects for 13 quantitative traits, together with an index of general agronomic value for each location, were submitted to a principal component analysis followed by a hierarchical clustering. One of the 4 clusters obtained includes populations which perform as well as the control cultivars «Vigor» of «Preference» in the 3 locations. This material could then be very useful as a source of diversification germplasm for use in French… Expand
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Ex-situ evaluations of Lolium perenne L. ecotypes collected in Bulgaria, Croatia, Spain and Ireland reveal valuable breeding material
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