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Registro Completo |
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Biblioteca(s): |
Embrapa Cerrados. |
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Data corrente: |
24/05/2000 |
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Data da última atualização: |
05/05/2025 |
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Autoria: |
ALVES, R. T.; BATEMAN, R. P.; PRIOR, C.; LEATHER, S. R. |
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Afiliação: |
ROBERTO TEIXEIRA ALVES, CPAC; RAY P. BATEMAN, IMPERIAL COLLEGE LONDON; CHRIS PRIOR, THE ROYAL HORTICULTURAL SOCIETY; SIMON R. LEATHER, SILWOOD CENTRE FOR PEST MANAGEMENT. |
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Título: |
Effects of simulated solar radiation on conidial germination of Metarhizium anisopliae in different formulations. |
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Ano de publicação: |
1998 |
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Fonte/Imprenta: |
Crop Protection, Oxford, v. 17, n. 8, p. 675-679, 1998. |
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DOI: |
https://doi.org/10.1016/S0261-2194(98)00074-X |
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Idioma: |
Inglês |
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Conteúdo: |
Abstract: The effects of exposure time to simulated solar radiation on conidial germination of Metarhizium anisopliae were evaluated with different formulations to determine whether some of them could enhance the ultraviolet (UV) tolerance of conidia. Conidial suspensions were prepared in water plus 10% emulsifiable oils; vegetable oil; mineral oils; and in water plus 0.05% Tween 80. Equal volumes (7.2 μl) of each 1 × 108/ml conidial suspension were placed into Petri dishes, and exposed to 2, 4 and 6 h solar radiation from an ‘Oriel’ sunlight simulator. Unexposed plates of all formulations were the controls. After irradiation, the formulations were diluted with equal volumes of Shellsol T or 0.05% Tween 80, and the resultant suspensions incubated on Sabouraud-Dextrose-Agar at 27 ± 0.5 °C. Conidial viability was assessed after 24 and 48 h incubation. Germination decreased for all treatments when the time of exposure to simulated solar radiation increased. Peanut oil, Shellsol plus Ondina, water plus Emoleo®, Codacide®, Natur'l oil®, Ashlade® significantly enhanced conidial tolerance (P < 0.05) against UV light for up to 6 h of exposure compared with water plus Cropspray®, Cutinol®, Actipron® and Tween. Unexposed control plates of all formulations showed that germination of conidia was more advanced than in those plates subjected to simulated sunlight, thus confirming that UV exposure delays germination. |
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Thesagro: |
Fungo; Metarhizium Anisopliae; Radiação Solar. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02105naa a2200205 a 4500
001 1559921
005 2025-05-05
008 1998 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.1016/S0261-2194(98)00074-X$2DOI
100 1 $aALVES, R. T.
245 $aEffects of simulated solar radiation on conidial germination of Metarhizium anisopliae in different formulations.$h[electronic resource]
260 $c1998
520 $aAbstract: The effects of exposure time to simulated solar radiation on conidial germination of Metarhizium anisopliae were evaluated with different formulations to determine whether some of them could enhance the ultraviolet (UV) tolerance of conidia. Conidial suspensions were prepared in water plus 10% emulsifiable oils; vegetable oil; mineral oils; and in water plus 0.05% Tween 80. Equal volumes (7.2 μl) of each 1 × 108/ml conidial suspension were placed into Petri dishes, and exposed to 2, 4 and 6 h solar radiation from an ‘Oriel’ sunlight simulator. Unexposed plates of all formulations were the controls. After irradiation, the formulations were diluted with equal volumes of Shellsol T or 0.05% Tween 80, and the resultant suspensions incubated on Sabouraud-Dextrose-Agar at 27 ± 0.5 °C. Conidial viability was assessed after 24 and 48 h incubation. Germination decreased for all treatments when the time of exposure to simulated solar radiation increased. Peanut oil, Shellsol plus Ondina, water plus Emoleo®, Codacide®, Natur'l oil®, Ashlade® significantly enhanced conidial tolerance (P < 0.05) against UV light for up to 6 h of exposure compared with water plus Cropspray®, Cutinol®, Actipron® and Tween. Unexposed control plates of all formulations showed that germination of conidia was more advanced than in those plates subjected to simulated sunlight, thus confirming that UV exposure delays germination.
650 $aFungo
650 $aMetarhizium Anisopliae
650 $aRadiação Solar
700 1 $aBATEMAN, R. P.
700 1 $aPRIOR, C.
700 1 $aLEATHER, S. R.
773 $tCrop Protection, Oxford$gv. 17, n. 8, p. 675-679, 1998.
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