The postharvest tomato fruit quality of long shelf-life Mediterranean landraces is substantially influenced by irrigation regimes |
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| Affiliation: | 1. Research Group on Biology of Plants Under Mediterranean Conditions, Departament de Biologia, Universitat de les Illes Balears, Carretera de Valldemossa km 7.5, E-07122 Palma de Mallorca, Balearic Islands, Spain;2. Institut de Recerca i Formació Agrària i Pesquera, Govern de les Illes Balears, C/Eusebi Estada, 145, E-07071 Palma de Mallorca, Balearic Islands, Spain;3. Serveis de Millora Agrària (Semilla), Govern de les Illes Balears, C/Esperanto, 8, E-07198, Son Ferriol, Palma de Mallorca, Spain;4. Department of Horticulture and Crop Science, The Ohio State University/OARDC, 1680 Madison Avenue, Wooster, OH 44691, USA;5. Department of Plant Biology, Cornell University, Ithaca, NY 14853, USA;1. Research Group on Plant Biology under Mediterranean Conditions, Universitat de les Illes Balears-INAGEA, Balearic Islands, Spain;2. Direcció General d’Agricultura i Ramaderia, Conselleria de Medi Ambient, Agricultura i Pesca, Govern de les Illes Balears, C/Reina de la Constança 4, 07006 Palma, Spain;1. Centro de Investigaciones Agrarias de Mabegondo, 15318 A Coruña, Spain;2. Grupo de Investigación en Bioloxía Evolutiva, Departamento de Bioloxía Animal, Bioloxía Vexetal e Ecoloxía, Centro de Investigaciones Científicas Avanzadas (CICA), Universidade da Coruña, 15071 A Coruña, Spain;3. Departamento de Genética y Producción Vegetal, Estación Experimental Aula Dei, CSIC, 50059 Zaragoza, Spain;4. Estación Experimental Agrícola do Baixo Miño, 36471 Pontevedra, Spain;1. Facultad de Ciencias Agrarias, Universidad Nacional del Nordeste, Sargento Cabral 2131, 3400 Corrientes, Argentina;2. Instituto de Botánica del Nordeste (IBONE), Universidad Nacional del Nordeste-CONICET, Sargento Cabral 2131, 3400 Corrientes, Argentina;1. Grupo de Investigación en Ingeniería en Alimentos, Facultad de Ingeniería, Universidad Nacional de Mar del Plata, Juan B. Justo 4302, 7600 Mar del Plata, Buenos Aires, Argentina;2. Agencia Nacional de Promoción Científica y Tecnológica (AGENCIA), Argentina;3. Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Argentina;1. Horticultural Sciences Department, IFAS, University of Florida, Gainesville, FL 32611-0690, USA;2. College of Horticulture, Northwest A&F University, Yangling, Shaanxi Province 712100, PR China;3. Department of Horticulture, Cornell University, Ithaca, NY 14853-0001, USA |
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| Abstract: | Postharvest shelf-life is a critical trait for fleshy fruit and so studies of genotypes with long shelf-life (LSL) phenotypes are of great potential importance, since they can lead to strategies for crop improvement. Examples of such a genotype are the Delayed Fruit Deterioration (DFD) tomato, and most accessions of the “Tomàtiga de Ramellet” (TdR) Mediterranean landrace group, some of which have a particularly dramatic LSL phenotype and remain palatable for many months after reaching a fully ripe stage. The TdR accessions collectively show a wide variation in shelf-life, although, the basis of this variation is not known. Moreover, little has been reported regarding the relationship between cultivation conditions, fruit shelf-life and specific genetic loci. Here we show that the LSL trait in those landraces is both partially associated with a defined genetic component, in the form of the alcobaça (alc) mutation, and is profoundly affected by the irrigation regime during cultivation. |
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| Keywords: | Irrigation regimes Mediterranean landraces Postharvest fruit quality Tomato long shelf-life Water stress |
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