Neem Oil
Mostrando 13-24 de 31 artigos, teses e dissertações.
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13. Effects of biological insecticides (neem oil, Azadirachtina indica and entomopathogenic Metharizium anisopliae and Beauveria bassiana) about spittlebug Mahanarva fimbriolata (Hemiptera:cercopidae) in organic sugarcane in relation to natural mortality / Efeitos de inseticidas biológicos (óleo de nim, Azadirachta indica, e entomopatógenos Metarhizium anisopliae e Beauveria bassiana) sobre a cigarrinha-das-raízes, Mahanarva fimbriolata (Stål) (Hemiptera: Cercopidae), em cana-de-açúcar sob cultivo orgânico, em relação à mortalidade natural
O óleo de nim obtido da planta Azadirachta indica, mais as formulações contendo os fungos Metharizium anisoplae e Beauveria bassiana, foram empregados para o controle da cigarrinha das raízes Mahanarva fimbriolata em cultivo orgânico de cana-de-açúcar. A ação desses produtos foi comparada com a mortalidade natural do inseto, através de parcelas sem
Publicado em: 2010
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14. Avaliação do potencial inseticida de Azadirachta indica (Meliaceae) visando ao controle de moscas-das-frutas (Diptera:Tephritidae) / Evaluation of the insecticidal potential of Azadirachta indica (Meliaceae) aiming the control of fruit flies (Diptera: Tephritidae)
The bioactivity of neem (Azadirachta indica A. Juss.) as adult bait and as larval growth regulator for Ceratitis capitata (Wied.) and Anastrepha fraterculus (Wied.) was evaluated. Besides, the effect of sublethal concentrations of neem extracts and the oviposition deterrency of the methanolic extract from leaves on C. capitata was evaluated. The estimated LC
Publicado em: 2010
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15. Hidrólise do óleo de Azadirachta indica em água subcrítica e determinação da composição dos triacilglicerídeos e ácidos graxos por cromatografia gasosa de alta resolução a alta temperatura e cromatografia gasosa de alta resolução acoplada à espectrometria de massas
The development of modern analytical tools plays an important role in quality control. The main purpose of this study was to explore the use of subcritical water as a versatile analytical tool, employed simultaneously as a reagent and solvent, as well as the application of high temperature-high resolution gas chromatography (HT-HRGC) to develop a procedure f
Química Nova. Publicado em: 2010
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16. Impact of botanical insecticide on Apis mellifera, Nannotrigona testaceicornis and Tetragonisca angustula (Hymenoptera: Apidae) / Impacto de inseticidas botânicos sobre Apis mellifera, Nannotrigona testaceicornis e Tetragonisca angustula (Hymenoptera: Apidae)
Adverse effects of organo-synthetic products have motivated search in alternative control of pests. Among this alternative, botanical insecticides present a viable option for the management of these organisms. However, before the choice of the botanical insecticide, some criteria must be analyzed, such as: efficiency to control the pest and selectivity to be
Publicado em: 2009
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17. Repellent, antifeedant and insecticidal effects of neem oil on Microtheca punctigera
Besouros Microtheca punctigera (Achard) são pragas sérias de plantas hospedeiras da família Brassicaceae. Efeitos das concentrações (0,00; 0,25; 0,50; e 1,00%) do óleo emulsionável de nim (Azadirachta indica Meliaceae) sobre parâmetros de comportamento e biologia de M. punctigera foram investigados em laboratório. Nabiça (Raphanus raphanistrum L.)
Brazilian Archives of Biology and Technology. Publicado em: 2008-12
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18. Effect of application of neen oil (Azadirachta indica) dermal and moxidectin subcutaneously in the prevention of infestations artificials by Dermatobia hominis (Linnaeus Jr., 1781) (Diptera: Cuterebridae) in cattle. / Efeito da utilização de óleo de nim (Azadirachta indica) por via dérmica e da moxidectina por via subcutânea na prevenção de infestações artificiais por Dermatobia hominis (Linnaeus Jr., 1781) (Diptera: Cuterebridae) em bovinos.
Dermatobia hominis, the human botfly, has obligatory parasitic larval forms of the subcutaneous tissue of domestic animals, wildlife and man, causing nodule myiasis. Its importance for the cattle industry is related to the economic damages caused by those larvae. The conventional chemical control has facing some problems such as the accelerated development o
Publicado em: 2008
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19. Potencial de Ãleos essenciais no manejo da ferrugem e da cercosporiose do cafeeiro / Potential of the essential oils in the control of leaf rust and brown spot eye of coffee plant
The rust and brown spot eye are considered the main diseases of coffee plant, it reduces the production and undermine the drink quality. The management of the disease is conventionally done by application of copper and systemic fungicides, however, they may promote the contamination of man, environment and select resistant pathogens races. Thus, the essentia
Publicado em: 2008
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20. Screening of entomopathogenic fungi associated with neem oil to control the Aphid Lipaphis erysimi (Kalt.) (Hemiptera : Aphididae) on kale / Seleção de fungos entomopatogênicos associados ao óleo de nim para controle do pulgão Lipaphis erysimi (Kalt.) (Hemiptera : Aphididae) em couve
O pulgão Lipaphis erysimi (Kalt.) (Hemiptera: Aphididae) tem-se destacado como praga das brássicas. Entre as medidas de controle de pulgões, o uso de Metarhizium anisopliae (Metsch.) Sorok., Beauveria bassiana (Bals.) Vuill. e Lecanicillium muscarium (Petch) Zare &Gams, e de extratos de plantas têm sido considerado uma alternativa promissora. Assim, este
Publicado em: 2008
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21. Inativação de fungos e extração de azadiractina e oleo de sementes de nim (Azadirachta indica A.Juss) utilizando fluidos supercuiticos / Fungi inactivation and extraction of azadirachtin and oil from neem seeds (Azadirachta indica A. Juss) using supercritical fluids
O nim (Azadirachta indica A. Juss) é uma árvore originária da Índia e seus extratos são amplamente utilizados na medicina popular como anti-séptico, vermífugo, contraceptivo, sabões, xampus, pastas dentais medicinais e no tratamento de várias moléstias. O principal princípio ativo encontrado nas sementes e em menor proporção no óleo de nim é a
Publicado em: 2008
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22. Rendimentos do milho em resposta aos controles de plantas daninhas e da lagarta-do-cartucho / Corn yield as a response to weed and fall armyworm control
Weeds and the fall armyworm can cause considerable corn yield losses. This study aimed to evaluate green ear yield and corn grain yield as a response to weed and fall armyworm control. A completely randomized block design with split-plots and five replicates was used. Corn cultivar AG 1051 was grown without weed control or with hoeings performed at 20 and 40
Publicado em: 2007
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23. Diseases under organic cultivation of coffee (Coffea arabica L.): epidemiology and alternative control / âDoenÃas em cultivo orgÃnico do cafeeiro (Coffea arabica L.) : epidemiologia e controle alternativoâ
In the years of 2005 and 2006 two trials were installed in eight year old coffee plantations of the cv. Acaià MG-474-19, under organic and conventional crop systems, in Santo AntÃnio do Amparo, Minas Gerais. The progress of rust and brown eye spot diseases of coffee was assessed as a function of the effect of different biofertilizers, between December/2004
Publicado em: 2007
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24. Creme dental com óleo de nim (Azadirachta indica A. De Jussieu): uma inovação como alternativa de desenvolimento local em assentamentos rurais
Organized in eight chapters, this dissertation considers the Local development and evolution through the use of the neem oil as constituent of innovation of product of buccal hygiene (experimental toothpaste), in the nesting Farm Santa Mônica, Terenos Country, MS. The vegetable Neem (Azadirachta indica A. de Jussieu), until then it was used as defensive agr
Publicado em: 2006