Genetic Variation and Phylogenetic Relationships Among Six Populations of Corn Borers in China


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Abstract

The genetic variation among and within six populations of the corn borer was determined by using random amplified polymorphic DNA (RAPD) markers. Extensive genetic variability was detected. Of the 802 RAPD markers obtained, 781 (97.4%) were polymorphicamongpopulations. Genetic similarities and distances between each pair of individuals were calculated. UPGMA cluster analysis showed that the YN population (Ostrinia nubilalis Hubner) and the other five populations (Ostrinia furnacalis Guenee) made up branches of the corn borer lineage, instead of deviating; there was no significant genetic differentiation between YN and the other five corn borer populations.

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