NDLI: Bioatividade de óleos essenciais no controle de Botrytis cinerea isolado de morangueiro Essential oils bioactivity in strawberry grey mould control

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Bioatividade de óleos essenciais no controle de Botrytis cinerea isolado de morangueiro Essential oils bioactivity in strawberry grey mould control

Content Provider	Semantic Scholar
Author	Lorenzetti, Emi Rainildes Monteiro, Fernando Pereira Souza, Paulo Estevão De Souza, Rafael Jovito Scalice, H. K. Diogo, Raquel Pires, M. S. O.
Copyright Year	2011
Abstract	Objetivou-se avaliar o uso de oleos essenciais sobre isolados de Botrytis cinerea, causador do mofo cinzento em morangueiro. Foram testados oleos essenciais de capim-limao, palmarosa, citronela, cravo, canela, menta, lavanda, tangerina, eucalipto, melaleuca, alecrim e laranja, todos estes analisados em cromatografo a gas acoplado a detector de massas, para identificacao dos principais componentes dos oleos. Foram avaliados o crescimento micelial, producao e germinacao de conidios de B. cinerea, com a incorporacao do oleo no meio de cultura. Realizou-se ainda uma avaliacao de volateis e a eficiencia de oleos em isolado resistente a fungicida. Para cada teste, diferentes oleos apresentaram eficiencia, contudo capim limao, palmarosa, canela e menta demonstraram os melhores efeitos em todos os testes realizados. Todos os tratamentos a base de oleos demonstraram efeito semelhante a um fungicida recomendado para a cultura, a base de tiofanato metilico. Dois tratamentos mostraram-se efetivos no caso de isolado resistente (oleo de capim limao e de canela). Oleos essenciais mostram-se como opcao promissora para o desenvolvimento de possiveis produtos fitossanitarios para o manejo de doencas em plantas. This study aimed evaluates essential oils in Botrytis cinerea isolates growth, which causes gray mould on strawberry. Were tested essential oils of lemon grass, palmrose, citronella, clove, cinnamon, mint, lavender, tangerine, eucalyptus, tea tree, rosemary and orange. The oils were analyzed in gas chromatograph attached to mass detector for identifying the mainly oils components. Were evaluated mycelial growth, conidia production and conidia germination of B. cinerea, with oil incorporation in culture medium. Were conducted an evaluation of oils volatile components and the efficiency of oils in fungicide-resistant isolate. For each test, different oils showed efficiency, however lemongrass, palmarosa, cinnamon and mint showed the best effects in all tests. All treatments demonstrated similar effects to recommended fungicide for the culture, which had methyl thiophanate. Two treatments (lemon grass and cinnamon oils), were effective against resistant isolate. Essential oils are shown as promising option for development of possible product for plant disease management.
Starting Page	619
Ending Page	627
Page Count	9
File Format	PDF HTM / HTML
DOI	10.1590/S1516-05722011000500019
Volume Number	13
Alternate Webpage(s)	http://www.scielo.br/pdf/rbpm/v13nspe/a19v13nspe.pdf
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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