Resumo

GARCIA-RODRIGUEZ, Octavio Gustavo et al. Plant viruses in garlic-associated insects. Rev. Chapingo Ser.Hortic [online]. 2014, vol.20, n.2, pp.147-156. ISSN 2007-4034.  https://doi.org/10.5154/r.rchsh.2012.10.057.

Vegetative propagation of garlic (Allium sativum) is the main route of virus transmission for this crop. However, insect-vector spread should not be ruled out. The aim of this study was to detect, by means of the ELISA test, the presence of five viruses in insects collected in garlic plants. The experiment was conducted during the fall-winter (2008-2009) cycle. Insect samples were taken on three dates: 45, 110 and 140 days after garlic sowing. Insect species identification was performed using a Zeiss (30X) stereomicroscope and the O'Brien and Wilson (1985) and Mound and Kibby (1998) taxonomy keys. The serology test for virus detection was the DAS-ELISA technique. Coat-protein virus antibodies were applied for the potyviruses: Leek yellow spot virus (LYSV) and Onion yellow dwarf virus (OYDV); for the carlaviruses: Garlic common latent virus (GCLV) and Shallot latent virus (SLV); and for the tospovirus: Iris yellow spot virus (IYSV). Of the 19 insect species identified, Thrips tabaci Lindeman tested positive in 18 samples for GCLV and in 2 samples for IYSV, and Collops quadrimaculatus tested positive in one sample for GCLV.

Palavras-chave : Allium sativum; GCLV; OYDV; SLV; IYSV; LYSV.

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