Breakdown of resistance in sweet pepper against Pepper yellow mosaic virus in Brazil

Authors

  • Ricardo Gioria Sakata Seed Sudamerica Ltda
  • Renato de Souza Braga Sakata Seed Sudamerica Ltda
  • Renate Krause-Sakate UNESP; FCA; Depto. de Produção Vegetal
  • Caroline Roullier USP; ESALQ; Depto. de Entomologia, Fitopatologia e Zoologia Agrícola
  • Daniel Dias Rosa USP; ESALQ; Depto. de Entomologia, Fitopatologia e Zoologia Agrícola
  • Monika Fecury Moura UNESP; FCA; Depto. de Produção Vegetal
  • José Alberto Caram de Souza-Dias APTA; IAC
  • Haiko Enok Sawazaki APTA; IAC
  • Luis Eduardo Aranha Camargo USP; ESALQ; Depto. de Entomologia, Fitopatologia e Zoologia Agrícola
  • Jorge Alberto Marques Rezende USP; ESALQ; Depto. de Entomologia, Fitopatologia e Zoologia Agrícola

DOI:

https://doi.org/10.1590/S0103-90162009000200017

Keywords:

Potyvirus, RT-PCR, ELISA, resistance gene

Abstract

Plants of Capsicum annuum cv. Magali R, resistant to Pepper yellow mosaic virus (PepYMV), which showed severe yellow mosaic, leaf malformation and stunting were observed during the 2003/04 growing season in Lins, São Paulo State, Brazil. Potyvirus-like particles observed in leaf sap from infected plants under the electron microscope reacted with an antiserum against PepYMV in PTA-ELISA. In addition to C. annuum cv. Magali R, this potyvirus also infected systemically the resistant C. annuum cv. Rubia R. The nucleotide sequence of part of the CP gene of this potyvirus shared 96-98% identity with that of other PepYMV isolates. The partial nucleotide sequence of the 3' NTR showed 94-96% identity with that of PepYMV. These data indicate that this potyvirus is a resistance-breaking isolate of PepYMV.

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Published

2009-04-01

Issue

Vol. 66 No. 2 (2009)

Section

Note

License

All content of the journal, except where identified, is licensed under a Creative Common attribution-type BY-NC.

How to Cite

Breakdown of resistance in sweet pepper against Pepper yellow mosaic virus in Brazil . (2009). Scientia Agricola, 66(2), 267-269. https://doi.org/10.1590/S0103-90162009000200017