Plantas ornamentais tropicais: panorama brasileiro de infecções virais e manejo

Autores

DOI:

https://doi.org/10.1590/2447-536X.v29i2.2613

Palavras-chave:

controle de fitoviroses, fitovírus, plantas nativas das Americas

Resumo

As plantas ornamentais, que nos seus primórdios, eram cultivadas por razões mágicas ou estéticas ganharam, nas últimas décadas, o status de indústria, contribuindo economicamente para o desenvolvimento de diversos países. A presença de patógenos, especialmente os vírus, pode interferir na produção por causarem sintomas em folhas e flores, depreciando o produto, além de afetar o desenvolvimento normal da planta. Além disso, espécies perenes podem atuar como reservatório natural de vírus para outras culturas. Dependendo da espécie, os vírus podem ser transmitidos por propagação vegetativa, contato, insetos vetores, pólen e sementes. Portanto, o conhecimento da diversidade genética, da distribuição geográfica e propriedades biológicas dos vírus pode contribuir para a prevenção de futuras infecções. Nesta revisão, são apresentadas algumas espécies tropicais infectadas por vírus descritos no Brasil, destacando-se primeiras ocorrências e descrição de novas espécies virais. Discute-se também aspectos relacionados ao controle e manejo de vírus em plantas ornamentais.

 

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Biografia do Autor

Maria Amelia Vaz Alexandre, Instituto Biologico

Laboratório de Fitovirologia Fisiopatológica, São Paulo-SP, Brazil.

Lígia Maria Lembo Duarte, Instituto Biológico

Laboratório de Fitovirologia Fisiopatológica, São Paulo-SP, Brazil.

Alexandre Levi Rodrigues Chaves, Instituto Biológico

Laboratório de Fitovirologia Fisiopatológica, São Paulo-SP, Brazil.

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