Natural co-infection of solanum tuberosum crops by the potato yellow vein virus and potyvirus in colombia Report as inadecuate




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Wilmer J. Cuellar ; Mónica Guzmán-Barney ;Agronomía Colombiana 2014, 32 2

Author: Angela Villamil-Garzón

Source: http://www.redalyc.org/


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Agronomía Colombiana ISSN: 0120-9965 agrocolfabog@gmail.com Universidad Nacional de Colombia Colombia Villamil-Garzón, Angela; Cuellar, Wilmer J.; Guzmán-Barney, Mónica Natural co-infection of Solanum tuberosum crops by the Potato yellow vein virus and potyvirus in Colombia Agronomía Colombiana, vol.
32, núm.
2, 2014, pp.
213-223 Universidad Nacional de Colombia Bogotá, Colombia Available in: http:--www.redalyc.org-articulo.oa?id=180332010008 How to cite Complete issue More information about this article Journals homepage in redalyc.org Scientific Information System Network of Scientific Journals from Latin America, the Caribbean, Spain and Portugal Non-profit academic project, developed under the open access initiative crop protection Natural co-infection of Solanum tuberosum crops by the Potato yellow vein virus and potyvirus in Colombia Co-infección natural de Potato yellow vein virus y potivirus en cultivos de Solanum tuberosum en Colombia Angela Villamil-Garzón1, Wilmer J.
Cuellar2, and Mónica Guzmán-Barney1 ABSTRACT RESUMEN The Potato yellow vein virus (PYVV), a Crinivirus with an RNA tripartite genome, is the causal agent of the potato yellow vein disease, reported in Colombian since 1950, with yield reductions of up to 50%.
Co-infection of two or more viruses is common in nature and can be associated with differences in virus accumulation and symptom expression.
No evidence of mixed infection between PYVV and other viruses has been reported.
In this study, eight plants showing yellowing PYVV symptoms: four Solanum tuberosum Group Phureja (P) and four Group Andigena (A), were collected in Cundinamarca, Colombia to detect mixed infection in the isolates using next generation sequencing (NGS).
The Potato virus Y (PVY) complete genome (similar to N strain) and the Potato virus V (PVV) partial genomes were detected using NGS and re-confirmed by RT-PCR.
Preliminary field screening in a large sample showed that PYVV and PVY co-infect potato pl...





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