期刊
INDUSTRIAL CROPS AND PRODUCTS
卷 97, 期 -, 页码 558-566出版社
ELSEVIER
DOI: 10.1016/j.indcrop.2017.01.005
关键词
Essential oils; Biological control; A. flavus; Fumigation; Allelopathic; Maize storage
资金
- Thailand Research Fund [RTA5780002]
Four essential oils were evaluated for antifungal activities against ten isolates of Aspergillus flavus. All strains, except A. flavus PSRDC-2, were strongly inhibited by clove (Syzygium aromaticum (L) Merr.&L.M. Perry) and vatica (Vatica diospyroides Symington) oil. The oils contained 14 and 24 compounds, respectively, with eugenol (62.4%) as the main component of clove oil and benzyl acetate (48.8%) as the main component of vatica oil. Clove oil showed 84.7% inhibition on conidial germination of A. flavus PSRDC-2 at 100 mu L-1, while complete inhibition of disease infection on maize seeds occurred at 10 mu L L-1.Vatica oil at 50 mu L L-1 exhibited strong antifungal activity as it completely inhibited growth, sporulation, conidial germination, and disease infection of A. flavus PSRDC-2 both in vitro and on maize seeds. Fumigation of vatica oil for 6 h could protect and cure the infected maize seed. Both clove and vatica oils exhibited dose-dependent allelopathic activity on maize germination, stem length, and root length, with vatica oil being more phytotoxic than clove oil. (C) 2017 Published by Elsevier B.V.
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