Efeito dos fungicidas Fosetil-Al e Metalaxil na colonização de mudas de Citrus sinensis (L.) Osbeck enxertadas em C. limon (L.) Burmf

Rosilaine Carrenho; Vera Lúcia Ramos Bononin; Luiz Antônio Graciolli

doi:10.4025/actascibiolsci.v22i0.2825

Effect of the fungicides Fosetyl-Al and Metalaxyl on arbuscular mycorrhizal colonization of seedlings of Citrus sinensis (L.) Osbeck grafted onto C. limon (L.) Burmf

Authors

Rosilaine Carrenho UEM Author
Vera Lúcia Ramos Bononin Instituto de Botânica-São Paulo Author
Luiz Antônio Graciolli UNESP Author

DOI:

https://doi.org/10.4025/actascibiolsci.v22i0.2825

Keywords:

fungos micorrízicos arbusculares, citrus, fungicidas, gomose

Abstract

We investigated the effect of the fungicides Fosetyl-Al and Metalaxyl, recommended for prevention and control of gummosis, on the development of arbuscular mycorrhizal fungi (AMF) in Citrus sinensis Osbeck grafted onto C. limon (L.)Burmf. Three experiments were performed in 1990 and 1992, in Casa Branca and Ilha Solteira, State of São Paulo, Brazil, respectively. Root samples were collected after fungicide application at long (monthly) and short (weekly) periods at Casa Branca and every three days at Ilha Solteira, in order to evaluate the percentage of root colonization by AMF. Fosetyl-Al generally did not show a deleterious effect on the development of mycobionts. In contrast, Metalaxyl reduced root colonization by AMF, and when both fungicides were applied together, mycorrhizal colonization was decreased, particularly in the shorter time experiments

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Author Biography

Rosilaine Carrenho, UEM

Possui graduação em Ciências com Habilitação em Biologia pela Universidade Federal de Mato Grosso do Sul (1988), mestrado em Ciências Biológicas (Biologia Vegetal) pela Universidade Estadual Paulista Júlio de Mesquita Filho (1994) e doutorado em Ciências Biológicas (Biologia Vegetal) pela Universidade Estadual Paulista Júlio de Mesquita Filho (1998). Atualmente é Professora Adjunta da Universidade Estadual de Maringá. Tem experiência na área de Microbiologia, com ênfase em Micologia, atuando principalmente nos seguintes temas: biologia e ecologia de fungos micorrízicos arbusculares, taxonomia de Glomeromycota, homeopatia e micotrofia arbuscular Currículo Lattes

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PDF (Portuguese)

Published

2008-05-09

Issue

Vol. 22 (2000)

Section

Biology Sciences

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How to Cite

Effect of the fungicides Fosetyl-Al and Metalaxyl on arbuscular mycorrhizal colonization of seedlings of Citrus sinensis (L.) Osbeck grafted onto C. limon (L.) Burmf. (2008). Acta Scientiarum. Biological Sciences, 22, 305-310. https://doi.org/10.4025/actascibiolsci.v22i0.2825