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 | Acesso ao texto completo restrito à biblioteca da Embrapa Meio Ambiente. Para informações adicionais entre em contato com cnpma.biblioteca@embrapa.br. |
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Biblioteca(s): |
Embrapa Meio Ambiente; Embrapa Recursos Genéticos e Biotecnologia. |
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Data corrente: |
18/11/2025 |
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Data da última atualização: |
18/11/2025 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
ZACARONI, A. B.; MASCARIN, G. M.; FARIA, M. R. de; LOPES, R. B. |
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Afiliação: |
ANA BEATRIZ ZACARONI; GABRIEL MOURA MASCARIN, CNPMA; MARCOS RODRIGUES DE FARIA, CENARGEN; ROGERIO BIAGGIONI LOPES, CENARGEN. |
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Título: |
Nematicidal activity of Pochonia chlamydosporia blastospores and attempts to improve dehydration tolerance and storage stability with additives. |
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Ano de publicação: |
2025 |
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Fonte/Imprenta: |
Letters in Applied Microbiology, v. 78, n. 8, ovaf109, 2025. |
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ISSN: |
1472-765X |
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DOI: |
https://doi.org/https://doi.org/10.1093/lambio/ovaf109 |
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Idioma: |
Inglês |
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Conteúdo: |
Abstract: For the large-scale use of Pochonia chlamydosporia as a bionematicide, cost-effective production coupled with robust stabilization processes is essential. Submerged liquid fermentation yields large amounts of infective blastospores in a short period. This study aimed to evaluate the nematicidal activity of P. chlamydosporia blastospores from two fungal strains against the eggs of two plant-pathogenic nematodes, as well as to assess the use of various additives to enhance their dehydration tolerance and storage stability. For the more promising strain, submerged culture yielded 1 × 109 blastospores mL-1 after 96 h. Juvenile hatch inhibition was more pronounced with blastospores (64.8%–86.7%) than conidia (48.2%–65.3%) on Meloidogyne javanica and M. enterolobii eggs, respectively. Skim milk added to the liquid medium prior to inoculation or 72 h after fermentation protected fungal cells from dehydration. Following dehydration, storage stability after 10 days was significantly greater at 4°C compared to 25°C. Stabilization processes to prevent cell mortality during dehydration are crucial for the development of blastospores as active ingredients in bionematicides. |
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Palavras-Chave: |
Bionematicide; Dehydration tolerance; Storage stability. |
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Thesagro: |
Controle Biológico; Fungo Para Controle Biológico; Meloidogyne spp; Nematóide. |
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Thesaurus Nal: |
Biological control agents; Nematicidal properties; Pochonia chlamydosporia; Soil nematodes; Submerged fermentation. |
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Categoria do assunto: |
H Saúde e Patologia |
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Marc: |
LEADER 02281naa a2200325 a 4500
001 2181628
005 2025-11-18
008 2025 bl uuuu u00u1 u #d
022 $a1472-765X
024 7 $ahttps://doi.org/https://doi.org/10.1093/lambio/ovaf109$2DOI
100 1 $aZACARONI, A. B.
245 $aNematicidal activity of Pochonia chlamydosporia blastospores and attempts to improve dehydration tolerance and storage stability with additives.$h[electronic resource]
260 $c2025
520 $aAbstract: For the large-scale use of Pochonia chlamydosporia as a bionematicide, cost-effective production coupled with robust stabilization processes is essential. Submerged liquid fermentation yields large amounts of infective blastospores in a short period. This study aimed to evaluate the nematicidal activity of P. chlamydosporia blastospores from two fungal strains against the eggs of two plant-pathogenic nematodes, as well as to assess the use of various additives to enhance their dehydration tolerance and storage stability. For the more promising strain, submerged culture yielded 1 × 109 blastospores mL-1 after 96 h. Juvenile hatch inhibition was more pronounced with blastospores (64.8%–86.7%) than conidia (48.2%–65.3%) on Meloidogyne javanica and M. enterolobii eggs, respectively. Skim milk added to the liquid medium prior to inoculation or 72 h after fermentation protected fungal cells from dehydration. Following dehydration, storage stability after 10 days was significantly greater at 4°C compared to 25°C. Stabilization processes to prevent cell mortality during dehydration are crucial for the development of blastospores as active ingredients in bionematicides.
650 $aBiological control agents
650 $aNematicidal properties
650 $aPochonia chlamydosporia
650 $aSoil nematodes
650 $aSubmerged fermentation
650 $aControle Biológico
650 $aFungo Para Controle Biológico
650 $aMeloidogyne spp
650 $aNematóide
653 $aBionematicide
653 $aDehydration tolerance
653 $aStorage stability
700 1 $aMASCARIN, G. M.
700 1 $aFARIA, M. R. de
700 1 $aLOPES, R. B.
773 $tLetters in Applied Microbiology$gv. 78, n. 8, ovaf109, 2025.
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Embrapa Meio Ambiente (CNPMA) |
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| 1. |  | GUIMARÃES, D. V.; TAVARES, O. C. H.; OLIVEIRA, A. P. de; BORGES, A. A. A.; MUSACCHIO, I.; NOVOTNY, E. H. Curvas de retenção de água de horizontes e solos selecionados da XV Reunião Brasileira de Classificação e Correlação de Solos obtidas por ressonância magnética nuclear em baixo campo. In: LUMBRERAS, J. F.; COELHO, M. R.; OLIVEIRA, V. A. de; LIMA, H. N.; TEIXEIRA, W. G.; SANTOS, L. A. C. dos; RODRIGUES, M. do R. L.; MENDONÇA-SANTOS, M. de L. (ed.). Guia de campo da XV Reunião Brasileira de Classificação e Correlação de Solos: RCC das várzeas do médio Rio Amazonas e entorno. Brasília, DF: Embrapa, 2025. cap. 20, p. 607-640.| Tipo: Capítulo em Livro Técnico-Científico |
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