Effects of yeast antagonists in combination with hot water treatment on postharvest diseases of tomato fruit |
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| Institution: | 1. Key Laboratory of Photosynthesis and Environmental Molecular Physiology, Institute of Botany, Chinese Academy of Sciences, Beijing 100093, China;2. Graduate School of Chinese Academy of Sciences, Beijing 100049, China;1. Laboratory of Biopesticides, Centre of Biotechnology of Sfax, University of Sfax, P.O. Box 1177, 3018 Sfax, Tunisia;2. Ecole Polytechnique de Sousse, Département Génie Biotechnologique, 4045 Sousse, Tunisia;3. Laboratoire de Chimie Industrielle II, ENIS route de Soukra, University of Sfax, P.O. Box 1173, 3038 Sfax, Tunisia;4. UR13AGR09, Integrated Horticultural Production in the Tunisian Centre East, Regional Center of Researches on Horticulture and Organic Agriculture of Chott-Mariem, University of Sousse, Chott-Mariem 4042, Tunisia;1. College of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, 310018, China;2. College of Food Science and Engineering, Gansu Agricultural University, Lanzhou, 730070, China;1. U.S. Department of Agriculture—Agricultural Research Service (USDA-ARS), 2217 Wiltshire Road, Kearneysville, WV 25430, United States;2. Department of Postharvest Science of Fresh Produce ARO, The Volcani Center P.O. Box 6, Bet Dagan 50250, Israel;3. School of Biotechnology and Food Engineering, Hefei University of Technology, Hefei 230009, China;4. Dipartimento di Agraria, Università Mediterranea di Reggio Calabria, Località Feo di Vito, 89124 Reggio Calabria, Italy;1. Dept. Agricultural, Forestry and Food Sciences (DISAFA) and AGROINNOVA, Centre of Competence for the Innovation in the Agroenvironmental Sector, University of Torino, Largo Braccini 2, 10095 Grugliasco, TO, Italy;2. Department of Postharvest Science, ARO, The Volcani Center, P.O. Box 6, Bet Dagan 50250, Israel;1. IRTA, XaRTA-Postharvest, Fruitcentre Building, Parc Científic i Tecnològic Agroalimentari, Parc de Gardeny, 25003, Lleida, Catalonia, Spain;2. Department of Soil, Plant and Food Sciences, Università degli Studi di Bari “Aldo Moro”, Via Amendola 165/A, 70126 Bari, Italy;3. Criof-Department of Agricultural Sciences, University of Bologna, via Gandolfi, 19, Cadriano di Granarolo Emilia, Bologna, Italy |
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| Abstract: | Hot water treatment (HWT) and two yeast antagonists, Candida guilliermondii and Pichia membranaefaciens were investigated separately and together for controlling Botrytis cinerea, and natural infection in tomato fruit stored at 20 °C. Applied separately, both HWT and antagonists inhibited decay caused by B. cinerea, and natural infection. The combination of antagonists and HWT showed better control efficacy. Application of HWT did not affect the growth of C. guilliermondii and P. membranaefaciens in tomato wounds, while HWT induced significant increase in the activities of phenylalanine ammonia-lyase (PAL), chitinase (CHI) and β-1,3-glucanase in fruit. The mechanism by which HWT enhanced the biocontrol efficacy of the antagonistic yeasts may be related to the elicitation of biochemical defense responses in tomato fruit. The combination of antagonistic yeasts and HWT could be a promising method for the control of postharvest diseases of tomato fruit. |
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