Plant Pathology (1996) 45, 691-696

C. Damgaard and H. Giese (1996)
Genetic variation in Danish populations of Erysiphe graminis f.sp. hordei: estimation of gene diversity and effective population size using RFLP data
Plant Pathology 45 (4), 691-696
Abstract: Genetic variation of the barley powdery mildew fungus (Erysiphe graminis f.sp. hordei) was estimated in three Danish local populations. Genetic variation was estimated from the variation amongst clones of Egh, and was therefore an estimate of the maximum genetic variation in the local populations. The average gene diversity, was estimated as 0.84. The effective population size was estimated as: log₁₀ (N^_e) = 0.64 - log₁₀ (µ), or 4.4 x 10⁹, assuming a nucleotide mutation rate (µ) of 10^-9 per base per generation. There was no significant genetic differentiation between locations.
(The abstract is excluded from the Creative Commons licence and has been copied with permission by the publisher.)
Link to article at publishers website

Research topic(s) for pests/diseases/weeds:
general biology - morphology - evolution

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Pest and/or beneficial records:

Beneficial	Pest/Disease/Weed	Crop/Product	Country	Quarant.
	Blumeria graminis/Oidium monilioides	Barley (Hordeum vulgare)	Denmark