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Registro Completo |
Biblioteca(s): |
Epagri-Sede. |
Data corrente: |
06/09/2019 |
Data da última atualização: |
06/09/2019 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Autoria: |
PERINA, F. J.; ANDRADE, C. C. L.; MOREIRA, S. I.; NERY, E. M.; OGOSHI, C.; ALVES, E. |
Título: |
Cinnamomun zeylanicum oil and trans-cinnamaldehyde against Alternaria brown spot in tangerine: direct effects and induced resistance. |
Ano de publicação: |
2019 |
Fonte/Imprenta: |
Phytoparasitica, Switzerland, v. 47, n. 3, p. 1-12, 2019. |
Idioma: |
Inglês |
Conteúdo: |
Cinnamon essential oil (CEO) has proven
activity against several plant-pathogenic fungi and can
reduce fungal diseases to an extent comparable to that
achieved using commercial fungicides. Thus, the goal of
the present work was to identify the active constituents
of this essential oil and determine the direct fungicidal
mode of action as well as putative indirect action by
activation of citrus plant resistance against Alternaria
brown spot (ABS). Gas chromatography?mass spectrometry (GC-MS) of essential oil extracted from
Cinnamomum zeylanicum leaves resulted in the identification of the active constituents eugenol and transcinnamaldehyde, which had, respectively, minimal inhibitory concentrations (MICs) of 250 and
62.5 μg mL−1 against Alternaria alternata, while, under
the same conditions, the MICs for a commercial fungicide and CEO were 1250 and 500 μg mL−1 respectively.
Fungal growth inhibition assays showed that eugenol
and trans-cinnamaldehyde (CNE) prevent fungal
growth by direct fungicidal action and proved that
CNE is mainly responsible for the anti-fungal activity
of C. zeylanicum essential oil (CEO). CEO decreased
the incidence of ABS disease to a greater extent than a
commercial copper fungicide and was comparable to a
commercial plant activator. Both CEO and its active
constituent showed the ability to activate plant defense
enzymes, demonstrating a high capacity to induce the
citrus plant defense response. Therefore, both the essential oil and its active constituent have potential use in the
development of new organic structures and analogues to
control ABS disease caused by A. alternata. MenosCinnamon essential oil (CEO) has proven
activity against several plant-pathogenic fungi and can
reduce fungal diseases to an extent comparable to that
achieved using commercial fungicides. Thus, the goal of
the present work was to identify the active constituents
of this essential oil and determine the direct fungicidal
mode of action as well as putative indirect action by
activation of citrus plant resistance against Alternaria
brown spot (ABS). Gas chromatography?mass spectrometry (GC-MS) of essential oil extracted from
Cinnamomum zeylanicum leaves resulted in the identification of the active constituents eugenol and transcinnamaldehyde, which had, respectively, minimal inhibitory concentrations (MICs) of 250 and
62.5 μg mL−1 against Alternaria alternata, while, under
the same conditions, the MICs for a commercial fungicide and CEO were 1250 and 500 μg mL−1 respectively.
Fungal growth inhibition assays showed that eugenol
and trans-cinnamaldehyde (CNE) prevent fungal
growth by direct fungicidal action and proved that
CNE is mainly responsible for the anti-fungal activity
of C. zeylanicum essential oil (CEO). CEO decreased
the incidence of ABS disease to a greater extent than a
commercial copper fungicide and was comparable to a
commercial plant activator. Both CEO and its active
constituent showed the ability to activate plant defense
enzymes, demonstrating a high capacity to induce the
citrus plant defense response. Therefore, both the essential oil ... Mostrar Tudo |
Palavras-Chave: |
Fungicidal activity; Indirect activity; Plant defense response. |
Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
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Marc: |
LEADER 02342naa a2200217 a 4500 001 1128871 005 2019-09-06 008 2019 bl uuuu u00u1 u #d 100 1 $aPERINA, F. J. 245 $aCinnamomun zeylanicum oil and trans-cinnamaldehyde against Alternaria brown spot in tangerine$bdirect effects and induced resistance.$h[electronic resource] 260 $c2019 520 $aCinnamon essential oil (CEO) has proven activity against several plant-pathogenic fungi and can reduce fungal diseases to an extent comparable to that achieved using commercial fungicides. Thus, the goal of the present work was to identify the active constituents of this essential oil and determine the direct fungicidal mode of action as well as putative indirect action by activation of citrus plant resistance against Alternaria brown spot (ABS). Gas chromatography?mass spectrometry (GC-MS) of essential oil extracted from Cinnamomum zeylanicum leaves resulted in the identification of the active constituents eugenol and transcinnamaldehyde, which had, respectively, minimal inhibitory concentrations (MICs) of 250 and 62.5 μg mL−1 against Alternaria alternata, while, under the same conditions, the MICs for a commercial fungicide and CEO were 1250 and 500 μg mL−1 respectively. Fungal growth inhibition assays showed that eugenol and trans-cinnamaldehyde (CNE) prevent fungal growth by direct fungicidal action and proved that CNE is mainly responsible for the anti-fungal activity of C. zeylanicum essential oil (CEO). CEO decreased the incidence of ABS disease to a greater extent than a commercial copper fungicide and was comparable to a commercial plant activator. Both CEO and its active constituent showed the ability to activate plant defense enzymes, demonstrating a high capacity to induce the citrus plant defense response. Therefore, both the essential oil and its active constituent have potential use in the development of new organic structures and analogues to control ABS disease caused by A. alternata. 653 $aFungicidal activity 653 $aIndirect activity 653 $aPlant defense response 700 1 $aANDRADE, C. C. L. 700 1 $aMOREIRA, S. I. 700 1 $aNERY, E. M. 700 1 $aOGOSHI, C. 700 1 $aALVES, E. 773 $tPhytoparasitica, Switzerland$gv. 47, n. 3, p. 1-12, 2019.
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