First report of Onion yellow dwarf virus and Allexivirus associated with noble garlic in Itajai Valley, Santa Catarina State, Brazil Edivânio Rodrigues de Araújo1; Fábio Satoshi Higashikawa1; Mirtes Freitas Lima2 1Epagri/Estação Experimental de Ituporanga, Estrada Geral Lageado Águas Negras, 453, CEP: 88400-000, Ituporanga-SC, Brazil. 2Embrapa Hortaliças, Rodovia BR-060, Km 09 (Brasília/Anápolis), Fazenda Tamanduá, CEP: 70275-970, Brasília-DF, Brazil. Autor para correspondência. Edivânio Rodrigues de Araújo (
[email protected]) Data de chegada: 04/04/2017. Aceito para publicação em: 04/11/2017. 10.1590/0100-5405/178028 Figure 1. Symptomatic leaves of garlic (Allium sativum L.) plants exhibiting yellowing mosaic caused by viruses, 29 days after planting, collected at Epagri/Ituporanga Experimental Station, Itajai Valley, Santa Catarina, Brazil. A - Symptoms on leaves of infected plants observed in the field. B - Symptomatic leaves collected from virus-infected plants for diagnosis. Garlic (Allium sativum L.) is the second most economically were infected by potyviruses and carlaviruses (2). It is noteworthy that important Allium species in Brazil, which produced 130.4 thousand there is no available information on viruses associated with garlic in tons in 2016. The state of Santa Catarina (SC) contributed with the Itajai Valley region. Therefore, this study represents a contribution approximately 20% of this production (4). In the country, planting of to the knowledge of virus occurrence in garlic fields in this region. noble garlic started in SC in 1970. Nowadays, SC stands out as the Plants of noble garlic, cultivars Ito and Quitéria, exhibiting yellow second largest national garlic producer, after the state of Minas Gerais mosaic symptoms on the leaves, were observed in fields at Epagri/ (4).