Sensory characteristics of traditional field grown tomato genotypes in Southern Italy
2007
Sinesio, Fiorella | Moneta, Elisabetta | Peparaio, Marina
This study was conducted with the aim to characterize the diversity of fruit sensory quality of traditional tomato genotypes, grown in open fields, by means of descriptive profile analysis. It gives the results from sensory profiling of fresh tomato genotypes San Marzano, Vesuviano, Corbarino and Sorrento, originating from Southern Italy, and their respective commercial hybrids over 3 years of harvesting. The effects of genotypes, year of production (2002, 2003, 2004) and fields located in different geographical areas on sensory data were analyzed using principal component analysis and multivariate analysis of variance partial least square regression. For most sensory characteristics, the greatest variation was caused by differences in genotypes, suggesting that there was considerable level of genetic diversity. Minor effects were given to year of harvest and experimental fields. Tomato is one of the most frequently consumed vegetables in many countries. Italy is one of the main tomato producers in the world, where the genetic variability among traditional tomato genotypes, hybrid and wild varieties in terms of variability in shape, dimension and sensorial attributes is enormous. A feasible area of improvement of tomato production is toward the increase or changing the original flavor. The knowledge of the effect of variety and season on sensory-perceived quality and the selection by breeding of genotypes with improved aroma and flavor profile is a tool to better orientate the tomato production.
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