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Registro Completo |
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Biblioteca(s): |
Embrapa Cerrados. |
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Data corrente: |
22/03/2002 |
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Data da última atualização: |
22/03/2002 |
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Autoria: |
BATEMAN, R. P.; ALVES, R. T. |
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Título: |
Delivery systems for mycoinsecticides using soi-based formulations. |
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Ano de publicação: |
2000 |
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Fonte/Imprenta: |
Aspects of Applied Biology, v. 57, p. 163-170. |
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Idioma: |
Inglês |
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Conteúdo: |
The use of oils been shown to enhance the efficacy of myco - insecticides, herbicides and hyperparasitic fungicides. Oils can also enable fungal pathogens to remain active under conditions of low humidity, and thus create opportunities for expanding the (presently limited) range of mycopesticide applications. Formulations of mycoinsecticides in oil present special opportunities when used in ultra-low volume (ULV) applications - and have been proven for acridid control (using aerial conidia of Metarhizium anisopliae var. acridum).However, for most of the world´s agriculture, other nozzles such as hydraulic and air-shear atomisers are the main-stay of pesticide application. More research is required to evaluate the use of emulsified oils, and this study focuses on motorised sprayers, capable of achieving good coverage at acceptable (low-medium volume) rates of application. We present some data on the atomisation of oil-based formulations, comparing standard rotary sprayers with various motorised mistblowers. The principles of delivering microbial agents to their target sites are illustrated by estimating the numbers of spores "packed" into each droplet size class. From a theoretical point of view, reliance on large droplets may severely reduce the potential for environmentally benign biological agent activity. Moves to limit pesticide drift will impose further burdens on their development and fundamental questions must be answered about the future role of biopesticides in farming systems. MenosThe use of oils been shown to enhance the efficacy of myco - insecticides, herbicides and hyperparasitic fungicides. Oils can also enable fungal pathogens to remain active under conditions of low humidity, and thus create opportunities for expanding the (presently limited) range of mycopesticide applications. Formulations of mycoinsecticides in oil present special opportunities when used in ultra-low volume (ULV) applications - and have been proven for acridid control (using aerial conidia of Metarhizium anisopliae var. acridum).However, for most of the world´s agriculture, other nozzles such as hydraulic and air-shear atomisers are the main-stay of pesticide application. More research is required to evaluate the use of emulsified oils, and this study focuses on motorised sprayers, capable of achieving good coverage at acceptable (low-medium volume) rates of application. We present some data on the atomisation of oil-based formulations, comparing standard rotary sprayers with various motorised mistblowers. The principles of delivering microbial agents to their target sites are illustrated by estimating the numbers of spores "packed" into each droplet size class. From a theoretical point of view, reliance on large droplets may severely reduce the potential for environmentally benign biological agent activity. Moves to limit pesticide drift will impose further burdens on their development and fundamental questions must be answered about the future role of biopesticides in farm... Mostrar Tudo |
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Thesagro: |
Inseticida; Metarhizium Anisopliae. |
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Thesaurus Nal: |
insecticides. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01974naa a2200169 a 4500
001 1564529
005 2002-03-22
008 2000 bl --- 0-- u #d
100 1 $aBATEMAN, R. P.
245 $aDelivery systems for mycoinsecticides using soi-based formulations.
260 $c2000
520 $aThe use of oils been shown to enhance the efficacy of myco - insecticides, herbicides and hyperparasitic fungicides. Oils can also enable fungal pathogens to remain active under conditions of low humidity, and thus create opportunities for expanding the (presently limited) range of mycopesticide applications. Formulations of mycoinsecticides in oil present special opportunities when used in ultra-low volume (ULV) applications - and have been proven for acridid control (using aerial conidia of Metarhizium anisopliae var. acridum).However, for most of the world´s agriculture, other nozzles such as hydraulic and air-shear atomisers are the main-stay of pesticide application. More research is required to evaluate the use of emulsified oils, and this study focuses on motorised sprayers, capable of achieving good coverage at acceptable (low-medium volume) rates of application. We present some data on the atomisation of oil-based formulations, comparing standard rotary sprayers with various motorised mistblowers. The principles of delivering microbial agents to their target sites are illustrated by estimating the numbers of spores "packed" into each droplet size class. From a theoretical point of view, reliance on large droplets may severely reduce the potential for environmentally benign biological agent activity. Moves to limit pesticide drift will impose further burdens on their development and fundamental questions must be answered about the future role of biopesticides in farming systems.
650 $ainsecticides
650 $aInseticida
650 $aMetarhizium Anisopliae
700 1 $aALVES, R. T.
773 $tAspects of Applied Biology$gv. 57, p. 163-170.
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Registro original: |
Embrapa Cerrados (CPAC) |
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