Perfil de compostos voláteis liberados por waitea circinata contra magnaporthe oryzae sob diferentes períodos e temperaturas
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Data
2023-05-26
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Universidade Federal de Goiás
Resumo
Rice blast caused by the Magnaporthe oryzae pathogen
is a major disease in this crop, and may cause devastating
losses. This study aimed to investigate the profile of Waitea
circinata mycorrhiza volatile compounds in antagonism to
M. oryzae, under different growth periods and temperatures, using
a completely randomized design. Volatile organic compounds
were extracted by headspace solid phase microextraction and
analyzed by gas chromatography mass spectrometry, while
multidimensional scaling was used to compare the produced
volatile organic compounds. The main compounds responsible
by the antagonism to M. oryzae were longifolene, trans-β-
farnesene, (Z)-α-bisabolene and δ-amorphene, which can be used
as biofungicides and incorporated into rice blast management
strategies.
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Palavras-chave
Brusone, Fungo micorrízico, Biofungicida, Rice blast, Mycorrhizal fungus, Biofungicide
Citação
CRUZ, Luiza Vieira da et al. Perfil de compostos voláteis liberados por waitea circinata contra magnaporthe oryzae sob diferentes períodos e temperaturas. Pesquisa Agropecuária Tropical, Goiânia, v. 53, e75038. 2023. DOI: 10.1590/1983-40632023v5375038. Disponível em: https://revistas.ufg.br/pat/article/view/75038/39821. Acesso em: 03 ago. 2023.