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Population genetic structure of Aphis glycines.

Environ Entomol.. 2009-08;  38(4):1301-11
Michel AP, Zhang W, Kyo Jung J, Kang ST, Mian MA. 1 Department of Entomology, Ohio Agricultural Research and Development Center, The Ohio State University, 1680 Madison mean., Wooster, OH 44691
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摘要

The soybean aphid (Aphis glycines Matsumura) is an invasive pest of cultivated soybean (Glycine max L.) in North America. After the initial invasion in 2000, the aphid has quickly spread across most of the United States and Canada, suggesting large-scale dispersal and rapid adaptation to new environments. Using microsatellite markers from closely related species, we compared the genetic diversity and the amount of genetic differentiation within and among 2 South Korean and 10 North American populations. Overall allelic polymorphism was low, never exceeding four alleles per locus. However, differences in genetic diversity were seen among South Korean and North American populations in terms of heterozygote excess... More

关键词

soybean aphid; Aphis glycines; microsatellites; population genetic structure.
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