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An investigation of the differential performance of clones of the aphid Sitobion avenae on two host species

P. Debarro ; T. Sherratt ; O. David ; N. Maclean | 1995

Individuals of the grain aphid Sitobion avenae were collected from wheat and cocksfoot stands around Hampshire, UK, during March and April 1994. Eight wheat and eight cocksfoot aphid clones were chosen on the basis of readily distinguishable RAP[...]

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Genetic structure of an aphid studied using microsatellites: Cyclic parthenogenesis, differentiated lineages and host specialization

P. Sunnucks ; P. Debarro ; G. Lushai ; N. Maclean ; D. Hales | 1997

In a previous study, samples of the grain aphid Sitobion avenae (F.) were collected from wheat and adjacent cocksfoot hosts in a population thought to be primarily parthenogenetic, and DNA from individual aphids was analysed with a multilocus te[...]

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Genetic variation within a parthenogenetic lineage

G. Lushai ; P. Debarro ; O. David ; T. Sherratt ; N. Maclean | 1998

A clone of the grain aphid Sitobion avenae F, was maintained parthenogenetically over thirty-two generations (n = 344) in a constant environment: a new generation being set up by a female selected at random from the preceding generation. Genomic[...]

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