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Holos
Article . 2021 . Peer-reviewed
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Holos
Article . 2021
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Propriedade antifúngica de óleos essenciais e extratos vegetais sobre Fusarium sp e Aspergillus sp isolados de feijão

Authors: Ana Clara do Prado Silva; José Wilson Pires Carvalho; Luiz Carlos Pascuali; Alexandre Gonçalves Porto; Sumária Sousa e Silva;

Propriedade antifúngica de óleos essenciais e extratos vegetais sobre Fusarium sp e Aspergillus sp isolados de feijão

Abstract

Estudos têm mostrado que extratos vegetais e os óleos essenciais podem ser uma alternativa em substituição a produtos sintéticos usados no controle de doenças causadas por fungos em diferentes cultivares. Assim sendo, o presente trabalho teve por objetivo avaliar a atividade de inibição de crescimento micelial de óleos essenciais e extratos vegetais sobre os fungos Aspergillus sp e Fusarium sp “in vitro” isolados do feijão-caupi. Foram estudados quatro extratos, hidroalcoólicos e hidroacetônicos, de citronela (Cymbopogon winterianus), capim-cidreira (Cymbopogon citratus), cravo-da-índia (Syzygium aromaticum) e melissa (Melissa officinalis) e a combinação binária entre os mesmos e quatro óleos essenciais citronela (Cymbopogon winterianus), capim-cidreira (Cymbopogon citratus), melissa (Melissa officinalis) e neem (Azadirachta indica A. Juss) e as combinações binárias respectivas. A concentração de óleos essencial usada foi 5.000 ppm, enquanto que, para os extratos foi utilizado 50.000 ppm, em meio BDA (Potato Dextrose Agar). Os resultados mostram que os extratos vegetais e óleos essenciais apresentam atividade antifúngica sobre o crescimento micelial dos patógenos. Contanto, os extratos de cravo-da-índia e citronela e os óleos essenciais de citronela, cidreira e melissa apresentaram os melhores resultados inibindo completamente o crescimento dos fungos. Os óleos essenciais estudados e as combinações binárias inibiram o desenvolvimento dos patógenos, exceto o óleo essencial de neem. Portanto, pode-se inferir que os óleos essenciais e os extratos mostraram-se eficientes e promissores para o desenvolvimento de produtos que possam ser utilizados de forma alternativa na agricultura em substituição aos produtos sintéticos.

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Keywords

Agrotóxicos, A, Produção orgânica, Plantas medicinais, plantas medicinais, agrotóxicos, fitopatógenos, produção orgânica, fitopatógenos, General Works

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
2
Average
Average
Average
Green
gold