2009
DOI: 10.1590/s0100-54052009000100006
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Avaliação da resistência a tobamovirus em acessos de Capsicum spp.

Abstract: The resistance of Capsicum spp to tobamoviruses is conferred by the genes series L 1 to L 4 . Based on the ability of some isolates to overcome the resistance genes, the tobamovirus can be classificated in the pathotypes P 0 , P 1 , P 1-2 and P 1-2-3 . In Brazil, at this moment there are three species of tobamovirus: Tobacco mosaic virus (TMV), Tomato mosaic virus (ToMV), belonging to pathotype P 0 and Pepper mild mottle virus (PMMoV) belonging to pathotype P 1-2 respectively, that can infect sweet and hot pep… Show more

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Cited by 4 publications
(3 citation statements)
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References 14 publications
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“…Among tobamoviruses that infect peppers, pepper mild mottle virus (PMMoV) and paprika mild mottle virus (PaMMV) are the most notorious due to their distribution, incidence and damage worldwide [6]. These viruses have been targeted in several breeding programmes aiming to obtain resistant pepper cultivars [13, 14]. Hypersensitive response (HR) on virus-inoculated leaves and absence of systemic symptoms have been the main phenotypes used to identify resistant pepper plants [15].…”
Section: Full-textmentioning
confidence: 99%
“…Among tobamoviruses that infect peppers, pepper mild mottle virus (PMMoV) and paprika mild mottle virus (PaMMV) are the most notorious due to their distribution, incidence and damage worldwide [6]. These viruses have been targeted in several breeding programmes aiming to obtain resistant pepper cultivars [13, 14]. Hypersensitive response (HR) on virus-inoculated leaves and absence of systemic symptoms have been the main phenotypes used to identify resistant pepper plants [15].…”
Section: Full-textmentioning
confidence: 99%
“…The virus species of Tobamovirus genus have worldwide distribution and can occur in different environments, in tropical as well as in temperate climates. In Brazil the most frequently found of tobamoviruses species are Tobacco mosaic virus (TMV), type species of the genus; Tomato mosaic virus (ToMV), which is present in solanaceous crops, including vegetable and ornamentals plants; and Pepper mild mottle virus (PMMoV CP) in pepper (Moreira et al 2003;Eiras et al 2004;Duarte et al 2007;Cezar et al 2009;Silva et al 2008;2011).…”
Section: Introductionmentioning
confidence: 99%
“…Esse vírus ocorre mundialmente e é considerado um dos patógenos mais importantes de culturas de pimenta (Oka et al, 2008). No Brasil, é relatado infectando plantas de pimenta e pimentão desde 2001, com sintomas de amarelecimento foliar suave, deformações dos frutos e subdesenvolvimento das plantas (Cezar et al, 2009;de Almeida, 2013). O vírus foi detectado em Brazlândia e na amostra CAM-RNY2 de Campinas, um resultado inesperado, pois em casos de ocorrência de tobamovirose em tomateiro, Os begomovírus pertencem à família Geminiviridae e possuem genoma composto por um ou dois segmentos de DNA circular fita simples e são transmitidos por moscas-brancas Melgarejo et al, 2013).…”
Section: Discussionunclassified