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Entomopathogenic fungi as the microbial frontline against the alien Eucalyptus pest Gonipterus platensis in Brazil. Repositório Alice
JORDAN, C.; SANTOS, P. L. dos; OLIVEIRA, L. R. dos S.; DOMINGUES, M. M.; GÊA, B. C. C.; RIBEIRO, M. F.; MASCARIN, G. M.; WILCKEN, C. F..
Abstract: The eucalyptus snout beetle (ESB), Gonipterus platensis, is endemic to Australia but has become a major invasive, destructive pest of Brazilian eucalyptus plantations. Efforts to develop insecticides based on entomopathogenic fungi against ESB are limited by the lack of known virulent strains. We therefore explored the virulence of indigenous Brazilian strains of major entomopathogenic fungi?Beauveria spp. and Metarhizium anisopliae?against ESB adults. We found widely varying virulence and later capacities for conidial production on infected adult cadavers. Two strains stood out, B. bassiana IBCB-240 and M. anisopliae IBCB-364, as especially lethal for ESB adults under laboratory conditions, sporulated abundantly on infected insects, and also...
Tipo: Artigo de periódico Palavras-chave: Besouro; Praga de Planta; Eucalipto; Fungo Para Controle Biológico; Metarhizium Anisopliae; Beauveria Bassiana; Fungo Entomógeno; Curculionidae; Plant pests; Biological control agents; Entomopathogenic fungi; Eucalyptus; Pathogens.; Entomology; Fungi.
Ano: 2021 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1133908
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First record of a new microsporidium pathogenic to Gonipterus platensis in Brazil. Repositório Alice
JORDAN, C.; CARVALHO, V. R. de; MASCARIN, G. M.; OLIVEIRA, L. R. dos S.; DUNLAP, C. A.; WILCKEN, C. F..
Abstract: Microsporidia are naturally occurring fungal-related parasites that can infect nearly all animal hosts, but their biocontrol potential of insect pests is routinely overlooked in agriculture and forestry. This research brings the first report describing the natural occurrence of a microsporidium causing disease in field-collected populations of the invasive eucalyptus snout beetle, Gonipterus platensis (Coleoptera: Curculionidae), a major destructive pest of eucalyptus plantations in Brazil. Adult beetles were collected during field surveys in commercial eucalyptus plantations in southern Brazil to be examined and dissected with typical symptoms to verify presence of microsporidian spores in haemolymph. From 14 plantations in different sites, the...
Tipo: Artigo de periódico Palavras-chave: Fungo Para Controle Biológico; Fungo Entomógeno; Besouro; Praga de Planta; Gonipterus; Beetle infestations; Eucalyptus; Plant pests; Entomopathogenic fungi; Biological control; Nosema; Bark beetles.
Ano: 2021 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1133728
Registros recuperados: 2
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