New invasion of <Emphasis Type="Italic">Bemisia tabaci</Emphasis> Mediterranean species in Brazil associated to ornamental plants |
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| Authors: | Letícia Aparecida de Moraes Julio Massaharu Marubayashi Valdir Atsushi Yuki Murad Ghanim Vinicius Henrique Bello Bruno Rossitto De Marchi Leonardo da Fonseca Barbosa Laura M Boykin Renate Krause-Sakate Marcelo Agenor Pavan |
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| Institution: | 1.S?o Paulo State University (UNESP), School of Agriculture,Botucatu,Brazil;2.Instituto Agron?mico de Campinas, Centro de Fitossanidade,Campinas,Brazil;3.Department of Entomology,The Volcani Center, Institute of Plant Protection,Bet Dagan,Israel;4.Instituto Federal do Sudeste de Minas Gerais,Pomba,Brasil;5.ARC Centre of Excellence in Plant Energy Biology and School of Chemistry and Biochemistry,The University of Western Australia,Perth,Australia |
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| Abstract: | In Brazil, the first major invasion event of Bemisia tabaci was that of Middle East–Asia Minor 1 (MEAM1) species, formerly termed as B biotype, which commenced in the 1990s mainly by ornamental plants in São Paulo State. More than two decades after this invasion, the presence of the Mediterranean (MED) species of B. tabaci, formerly Q biotype, was reported in Rio Grande do Sul, the southernmost State of Brazil, and now in São Paulo and Paraná States, in southeastern Brazil. Specimens of whiteflies collected from commercial begonia, hydrangea, petunia and poinsettia greenhouses in São Paulo, and also from begonias and poinsettias collected in flower shops in Paraná, were all identified as belonging to MED species. Furthermore, the secondary endosymbionts Arsenophonus, Hamiltonella and Rickettsia of MED from São Paulo and Paraná were detected by PCR and their presence confirmed by sequencing and FISH analysis, and those results differed from MED detected in Rio Grande do Sul that harbored only Hamiltonella and Cardinium. Our results suggest a new MED invasion into Brazil and is associated with ornamental plants. The two MED populations are genetically different and suggest that they are separate invasions. |
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