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Haplotypes of the Potato Psyllid, Bactericera cockerelli, on the Wild Host Plant, Solanum dulcamara, in the Pacific Northwestern United States

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Title Haplotypes of the Potato Psyllid, Bactericera cockerelli, on the Wild Host Plant, Solanum dulcamara, in the Pacific Northwestern United States
Names Swisher, Kylie D. (creator)
Sengoda, Venkatesan G. (creator)
Dixon, Jacob (creator)
Echegaray, Erik (creator)
Murphy, Alexzandra F. (creator)
Rondon, Silvia I. (creator)
Munyaneza, Joseph E. (creator)
Crosslin, James M. (creator)
Date Issued 2013-12 (iso8601)
Note To the best of our knowledge, one or more authors of this paper were federal employees when contributing to this work. This is the publisher’s final pdf. The article is copyrighted by the Potato Association of America and published by Springer. It can be found at: http://link.springer.com/journal/12230.
Abstract Candidatus Liberibacter solanacearum’ (Lso) is a
bacterium that infects solanaceous crops and causes plant
decline and yield losses, especially in potato and tomato. Lso
is transmitted to these hosts by the potato psyllid
(Bactericera cockerelli Sulc) vector. B. cockerelli host plants
are not limited to crop plants, but also include many wild,
solanaceous weeds. These wild hosts could potentially impact
overwintering and breeding of the psyllids and serve as
reservoirs for Lso. In the Pacific Northwestern United States,
B. cockerelli was recently reported to overwinter on bittersweet
nightshade (Solanum dulcamara L.). The present study
utilized high resolution melting analysis of the B. cockerelli
mitochondrial cytochrome c oxidase I gene to assess the
psyllid populations occurring on S. dulcamara during the
summer and winter months in Washington, Oregon, and
Idaho. This technique has previously been used to analyze
the cytochrome c oxidase I gene of B. cockerelli, and has
identified four psyllid haplotypes. Lso infection was also
determined for the psyllids collected from S. dulcamara.
During both the summer and the winter months in the
Pacific Northwest, the Northwestern psyllid haplotype was
the predominant population found living on S. dulcamara.
However, low levels of the Western psyllid population were
also present in Washington and Oregon during the same period. No overwintering psyllids tested were Lso-infected,
suggesting that these populations do not pose an imminent
threat of Lso transmission to newly emerging potatoes and
other solanaceous crops in the region, unless a source of Lso
becomes available.
Genre Article
Topic Potato diseases
Identifier Swisher, K. D., Sengoda, V. G., Dixon, J., Echegaray, E., Murphy, A. F., Rondon, S. I., ... & Crosslin, J. M. (2013). Haplotypes of the potato psyllid, Bactericera cockerelli, on the wild host plant, Solanum dulcamara, in the Pacific Northwestern United States. American Journal of Potato Research, 90(6), 570-577. doi:10.1007/s12230-013-9330-3

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