Trans-2-hexen-1-ol as a tool for the control of Fusarium verticillioides in stored maize grains |
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| Affiliation: | 1. Instituto Multidisciplinario de Biología Vegetal (IMBIV-CONICET), Universidad Nacional de Córdoba, Avenida Vélez Sarsfield 1611, Córdoba, X5016GCA, Argentina;2. Instituto de Ciencia y Tecnología de los Alimentos (ICTA), FCEFyN−Universidad Nacional de Córdoba, Avenida Vélez Sarsfield 1611, Córdoba, X5016GCA, Argentina;1. Department of Life Sciences, The University of the West Indies, St. Augustine, Trinidad and Tobago;2. Department of Food Production, The University of the West Indies, St. Augustine, Trinidad and Tobago;1. University of Mohaghegh Ardabili, Moghan College of Agriculture and Natural Resources, Ardabil, Iran;2. University of Mohaghegh Ardabili, Department of Plant Protection, Faculty of Agriculture and Natural Resources, Ardabil, Iran;1. Department of Biological Sciences, Arkansas State University, Jonesboro, AR, 72467, United States;2. Arkansas Agricultural Experiment Station, Arkansas State University Research Unit, Jonesboro, AR, 72467, United States;3. Department of Food Science, University of Arkansas & Division of Agriculture, Fayetteville, AR, 72704, United States;1. Department of Grain Science and Industry, Kansas State University, Manhattan, KS, 66506, USA;2. Department of Entomology, Kansas State University, Manhattan, KS, 66506, USA |
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| Abstract: | ![]()
Fusarium verticillioides infects stored maize grains. In the present study, we first evaluated the effects of ten volatile organic compounds on F. verticillioides growth in culture medium. Subsequently, based on the antifungal activity obtained in the present study and the insecticidal effect against Sitophilus zeamais reported previously, trans-2- hexen-1- ol was selected to analyzed its effect on the fungus in stored maize. All the compounds tested showed inhibitory activity on fungal development, being the most active compounds geraniol, nerol, isovaleraldehyde and linalool, followed by trans-2-hexen-1-ol, cis-3-hexen-1-ol, cis-2-hexen-1-ol and trans-3-hexen-1-ol. Besides its antifungal activity against F. verticillioides, trans-2-hexen-1-ol inhibited FB1 production. In this study it was also demonstrated that S. zeamais favors F. verticillioides dispersion, confirming the importance of these insects as mechanical vectors of fungal spores. These results reveal the ability of trans-2-hexen-1-ol as a potential tool to control F. verticillioides in a natural approach as an alternative to synthetic pesticides. |
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| Keywords: | Volatile organic compounds Tras-2-hexen-1-ol |
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