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Susceptibility of the ant-cultivated fungus Leucoagaricus gongylophorus (Agaricales: Basidiomycota) towards microfungi

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Abstract

The aim of this study was to select virulent strains of microfungi against Leucoagaricus gongylophorus, a symbiotic fungus cultivated by leaf-cutting ants. The results from in vitro assays showed that microfungal strains had a variable and significant impact on the colony development of L. gongylophorus. Specifically, Trichoderma harzianum, Escovopsis weberi CBS 810.71 and E. weberi A088 were more effective, inhibiting the L. gongylophorus colonies by 75, 68 and 67%, respectively (P < 0.05) after 15 days. Strain E. weberi A086 and Acremonium kiliense were less effective: 43 and 26%, respectively (P < 0.05). In spite of the current negative perspective of a microbiological control approach for these ants, the present work discusses the possibility of using mycopathogenic fungi for the control of these insects, and points out the importance of encouraging more studies in this area.

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Authors and Affiliations

  1. Departamento de Produção Vegetal/Defesa Fitossanitária, Universidade Estadual Paulista, Botucatu-SP, Brazil

    A. Silva

  2. Centro de Estudos de Insetos Sociais, Universidade Estadual Paulista, Av. 24 “A”, 1515, Bela Vista, Rio Claro, São Paulo, 13506-900, Brazil

    A. Silva, A. Rodrigues, M. Bacci Jr, F. C. Pagnocca & O. C. Bueno

  3. Departamento de Bioquímica e Microbiologia, Universidade Estadual Paulista, Rio Claro-SP, Brazil

    A. Rodrigues, M. Bacci Jr & F. C. Pagnocca

  4. Departamento de Biologia, Universidade Estadual Paulista, Brazil

    O. C. Bueno

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  1. A. Silva
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  2. A. Rodrigues
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  3. M. Bacci Jr
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  4. F. C. Pagnocca
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  5. O. C. Bueno
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Correspondence to A. Silva.

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Silva, A., Rodrigues, A., Bacci, M. et al. Susceptibility of the ant-cultivated fungus Leucoagaricus gongylophorus (Agaricales: Basidiomycota) towards microfungi. Mycopathologia 162, 115–119 (2006). https://doi.org/10.1007/s11046-006-0037-6

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  • DOI: https://doi.org/10.1007/s11046-006-0037-6

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