Journal
PLANTS-BASEL
Volume 8, Issue 8, Pages -Publisher
MDPI
DOI: 10.3390/plants8080273
Keywords
agrobiodiversity; ascorbic acid; carotenoids; color; distinctiveness; local varieties; tocopherols; total phenols; total soluble solids
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Funding
- Department of Agricultural and Environmental Science, University of Bari Aldo Moro
- Institute of Sciences of Food Production, CNR - Regione Puglia Administration
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Puglia (Southern Italy), particularly rich in tomato agro-biodiversity, can be considered a typical region of the semi-arid Mediterranean environments. In this study, three local varieties of tomato (Manduria, Giallo di Crispiano and Regina) were characterized by using morphological descriptors according to international standards. Chemical (isoprenoids, ascorbic acid, total phenols, sugars and mineral content) and agronomic assessment were carried out to highlight the specific traits of these local varieties well adapted to a semi-arid environment. Data of morphological traits according to the International Union for the Protection of New Varieties of Plants (UPOV) guideline evidenced a clear distinctness among all three landraces, especially as regards fruits. Results also highlighted that a great part of variation in chemical traits was almost exclusively due to genotypes, while in a few cases observed differences resulted from the interaction between genotype and harvest time. The results of the present study may represent the first step toward the recognition of conservation variety status for Regina, Giallo di Crispiano and Manduria tomato landraces. At the same time, both quality traits and agronomic performance of these tomato genotypes suggest the possibility of their cultivation in other semi-arid environments also considering their quality traits, in view of a sustainable production.
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