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dc.contributor.authorItako, Adriana Terumi-
dc.contributor.authorTolentino Júnior, João Batista-
dc.contributor.authorSilva Júnior, Tadeu Antônio Fernandes da-
dc.contributor.authorSoman, José Marcelo-
dc.contributor.authorMaringoni, Antonio Carlos-
dc.identifier.citationBrazilian Journal of Microbiology, v. 46, n. 3, p. 701-706, 2015.-
dc.description.abstractThe bacterial spot of tomato, caused by Xanthomonas spp., is a very important disease, especially in the hot and humid periods of the year. The chemical control of the disease has not been very effective for a number of reasons. This study aimed to evaluate, under greenhouse conditions, the efficacy of leaf-spraying chemicals (acibenzolar-S-methyl (ASM) (0.025 g.L-1), fluazinam (0.25 g.L-1), pyraclostrobin (0.08 g.L-1), pyraclostrobin + methiran (0.02 g.L-1 + 2.2 g.L-1), copper oxychloride (1.50 g.L-1), mancozeb + copper oxychloride (0.88 g.L-1 + 0.60 g.L-1), and oxytetracycline (0.40 g.L-1)) on control of bacterial spot. Tomatoes Santa Clara and Gisele cultivars were pulverized 3 days before inoculation with Xanthomonas perforans. The production of enzymes associated with resistance induction (peroxidase, polyphenol oxidase, phenylalanine ammonia-lyase, -1,3-glucanase, and protease) was quantified from leaf samples collected 24 hours before and 24 hours after chemical spraying and at 1, 2, 4, 6, and 8 days after bacterial inoculation. All products tested controlled bacterial spot, but only ASM, pyraclostrobin, and pyraclostrobin + metiram increased the production of peroxidase in the leaves of the two tomato cultivars, and increased the production of polyphenol oxidase and -1,3-glucanase in the Santa Clara cultivar.en
dc.description.sponsorshipFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)-
dc.description.sponsorshipCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)-
dc.sourceCurrículo Lattes-
dc.subjectSolanum lycopersicumen
dc.subjectBacterial spoten
dc.titleChemical products induce resistance to Xanthomonas perforans in tomatoen
dc.contributor.institutionUniversidade Federal de Santa Catarina (UFSC)-
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)-
dc.description.affiliationUnespUniversidade Estadual Paulista, Departamento de Proteção Vegetal, Faculdade de Ciências Agronômicas de Botucatu-
dc.description.sponsorshipIdFAPESP: 2010/52702-0-
dc.rights.accessRightsAcesso aberto-
dc.relation.ispartofBrazilian Journal of Microbiology-
Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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