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| 4. |  | SOUZA, V. C.; QUADRI, M. G. N.; ZOLDAN, S. R. Extraction of nanocrystalline cellulose from corn cobs, an agro-industrial waste. In: CONGRESSO BRASILEIRO DE POLÍMEROS, 12., 2013, Florianópolis, SC. Anais... Florianópolis, SC: UFSC, 2013. p. 1-4.| Biblioteca(s): Epagri-Sede. |
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| Registros recuperados : 4 | |
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Registro Completo
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Biblioteca(s): |
Epagri-Sede. |
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Data corrente: |
24/09/2020 |
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Data da última atualização: |
24/09/2020 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
Internacional - B |
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Autoria: |
MIOTTO, J.; DUARTE, A. F.; BERNARDI, D.; RIBEIRO, L. P.; ANDREAZZA, F.; CUNHA, U. S. |
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Título: |
Toxicities of acetogenin-based bioacaricides against two-spotted spider mite and selectivity to its phytoseiid predators. |
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Ano de publicação: |
2020 |
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Fonte/Imprenta: |
Experimental and Applied Acarology, Switzerland, v. 81, p. 183-187, 2020. |
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Idioma: |
Inglês |
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Conteúdo: |
Tetranychus urticae is the main pest of strawberry crops and can cause up to 80% of productivity losses under high infestations. Aiming to search T. urticae management alternatives compatible with eco-friendly or organic-based food production systems, this study evaluated the lethal and sublethal toxicities of formulated derivatives from Annonaceae (rich in acetogenins) against this pest species. In addition, it also evaluated the selectivity of the most promising formulation to the predatory mites Neoseiulus californicus and Phytoseiulus macropilis, which are largely applied in biological control in Brazil. Among the derivatives tested, the emulsion from the ethanolic seed extract of Annona mucosa?ESEAm (major component: acetogenin bis-tetrahydrofuran rolliniastatin-1) caused pronounced mortality of T. urticae after 120 h of exposure (LC50 = 465.5 mg L−1), in a comparable or superior manner to an abamectin-based synthetic acaricide used as positive control (LC50 = 1243.4 mg L−1). Moreover, ESEAm exposure resulted in a significant decrease in the number of eggs laid by females and caused the most pronounced ovicidal action for T. urticae, with only 5% embryonic viability. However, ESEAm also showed high toxicity to the predatory mites tested, causing 100% mortality for both species after 120 h exposure, similar to abamectin. The interaction between these bioacaricides and biological control agents should be tested under field conditions to further assess the potential ecological selectivity of these derivatives. MenosTetranychus urticae is the main pest of strawberry crops and can cause up to 80% of productivity losses under high infestations. Aiming to search T. urticae management alternatives compatible with eco-friendly or organic-based food production systems, this study evaluated the lethal and sublethal toxicities of formulated derivatives from Annonaceae (rich in acetogenins) against this pest species. In addition, it also evaluated the selectivity of the most promising formulation to the predatory mites Neoseiulus californicus and Phytoseiulus macropilis, which are largely applied in biological control in Brazil. Among the derivatives tested, the emulsion from the ethanolic seed extract of Annona mucosa?ESEAm (major component: acetogenin bis-tetrahydrofuran rolliniastatin-1) caused pronounced mortality of T. urticae after 120 h of exposure (LC50 = 465.5 mg L−1), in a comparable or superior manner to an abamectin-based synthetic acaricide used as positive control (LC50 = 1243.4 mg L−1). Moreover, ESEAm exposure resulted in a significant decrease in the number of eggs laid by females and caused the most pronounced ovicidal action for T. urticae, with only 5% embryonic viability. However, ESEAm also showed high toxicity to the predatory mites tested, causing 100% mortality for both species after 120 h exposure, similar to abamectin. The interaction between these bioacaricides and biological control agents should be tested under field conditions to... Mostrar Tudo |
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Palavras-Chave: |
Acetogenins; Allelochemicals; Botanical acaricides; Neoseiulus californicus; Phytoseiulus macropilis; Tetranychus urticae. |
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Categoria do assunto: |
O Insetos e Entomologia |
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Marc: |
LEADER 02373naa a2200253 a 4500
001 1129957
005 2020-09-24
008 2020 bl uuuu u00u1 u #d
100 1 $aMIOTTO, J.
245 $aToxicities of acetogenin-based bioacaricides against two-spotted spider mite and selectivity to its phytoseiid predators.$h[electronic resource]
260 $c2020
520 $aTetranychus urticae is the main pest of strawberry crops and can cause up to 80% of productivity losses under high infestations. Aiming to search T. urticae management alternatives compatible with eco-friendly or organic-based food production systems, this study evaluated the lethal and sublethal toxicities of formulated derivatives from Annonaceae (rich in acetogenins) against this pest species. In addition, it also evaluated the selectivity of the most promising formulation to the predatory mites Neoseiulus californicus and Phytoseiulus macropilis, which are largely applied in biological control in Brazil. Among the derivatives tested, the emulsion from the ethanolic seed extract of Annona mucosa?ESEAm (major component: acetogenin bis-tetrahydrofuran rolliniastatin-1) caused pronounced mortality of T. urticae after 120 h of exposure (LC50 = 465.5 mg L−1), in a comparable or superior manner to an abamectin-based synthetic acaricide used as positive control (LC50 = 1243.4 mg L−1). Moreover, ESEAm exposure resulted in a significant decrease in the number of eggs laid by females and caused the most pronounced ovicidal action for T. urticae, with only 5% embryonic viability. However, ESEAm also showed high toxicity to the predatory mites tested, causing 100% mortality for both species after 120 h exposure, similar to abamectin. The interaction between these bioacaricides and biological control agents should be tested under field conditions to further assess the potential ecological selectivity of these derivatives.
653 $aAcetogenins
653 $aAllelochemicals
653 $aBotanical acaricides
653 $aNeoseiulus californicus
653 $aPhytoseiulus macropilis
653 $aTetranychus urticae
700 1 $aDUARTE, A. F.
700 1 $aBERNARDI, D.
700 1 $aRIBEIRO, L. P.
700 1 $aANDREAZZA, F.
700 1 $aCUNHA, U. S.
773 $tExperimental and Applied Acarology, Switzerland$gv. 81, p. 183-187, 2020.
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