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Spatial and temporal dynamics of Myzus persicae clones in fields and suction traps

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Abstract:

Abstract

1 The population of peach-potato aphid Myzus persicae in Scotland is comprised almost entirely of long-term asexual clones.

2 Over a ten year period, M. persicae from Scottish fields and suction traps were analysed with six microsatellite markers.

3 Out of 1497 individuals analysed, 14 clones (denoted A–N) comprised over 98% of the collection.

4 Some clones were particularly abundant but most clones had a widespread distribution on all available plants.

5 Clones E and L had distinct features in their distributions as clone L was geographically totally restricted to the north east of Scotland and clone E showed a marked preference for brassica crops.

6 Clones E and L provide direct evidence of a role for local adaptations in the distribution of M. persicae clones.

Keywords: Myzus persicae; adaptation; clones; dynamics

Document Type: Research Article

DOI: http://dx.doi.org/10.1111/j.1461-9563.2008.00365.x

Affiliations: Scottish Agricultural Science Agency, 1 Roddinglaw Road, Edinburgh EH12 9FJ, U.K.

Publication date: May 1, 2008

bsc/afe/2008/00000010/00000002/art00003
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