Isozyme polymorphism and geographic differentiation in a collection of French perennial ryegrass populations

@article{Charmet2004IsozymePA,
  title={Isozyme polymorphism and geographic differentiation in a collection of French perennial ryegrass populations},
  author={Gilles Charmet and François Balfourier and Catherine Ravel},
  journal={Genetic Resources and Crop Evolution},
  year={2004},
  volume={40},
  pages={77-89}
}
A sample of 60 natural populations of perennial ryegrass from France has been studied for allelic variation at 7 polymorphic enzyme loci. Population genetic statistics are of the same magnitude than those previously reported for other outbreeding, short-lived perennial species (P = 64%, A = 2.75, H = 0.270). Genotype frequencies at most collection sites do not deviate significantly from Hardy-Weinberg expectations, with however a slight deficit of heterozygotes which may be accounted for by a… CONTINUE READING

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