Document Type: Short Communication Article

Authors

1 1: Horticulture laboratory, Research Center of Oasis Agriculture (CRRAO), Avenue habib Bourguib 2260 Degache, Tunisia 2: Higher Agronomic Institute of Chott-Mariem, University of Sousse, BP 47, 4042 Sousse, Tunisia

2 1:Horticulture laboratory, Research Center of Oasis Agriculture (CRRAO), Avenue habib Bourguib 2260 Degache, Tunisia 2:Horticulture laboratory, National Agricultural Research Institute of Tunisia, Street Hedi Karray 2049 Ariana, Tunisia

3 Research Laboratory of Horticultural Sciences, National Agronomic Institute of Tunisia, University of Carthage, 43 Avenue Charles Nicolle Tunis, Tunisia

4 Horticulture laboratory, National Agricultural Research Institute of Tunisia, Street Hedi Karray 2049 Ariana, Tunisia

Abstract

Purpose: A safeguard program was organized to prevent and protect the autochthon fruit species in El Jerid Oasis, Tunisia. In this context, this study aimed to evaluate the grapevine varieties in these oases. Research method: A survey was conducted to detect the existing grape varieties and to count their stock. Ampelographic characterization of the bunch and berry (length, width, weight) and organoleptic analyzes (juice percentage, pH, TSS, titratable acidity) were measured for the most frequent founded vines. Findings: The study revealed a genetic wealth of vines in El Jerid Oasis, Tunisia represented by local and introduced table grapevines such as Muscat d'Italia, Cardinal, Superior Seedless, etc. The ampelographic characterization revealed medium-sized bunches for local varieties Chetoui, Arbi and Kahla and larger bunches for Muscat d'Italie, Sfaxi and Guelb Sardouk. Indeed, our grapevines were characterized by low weighted bunches. The varieties Guelb sardouk, Muscat d'Italie and Sfaxi showed berries with higher calibers and weights. The other studied vines had medium-sized and low-weighted berries. The local vines Kahla and Guelb Sardouk revealed fine-tasting berries with low sugar and acidity. Arbi and Sfaxi berries were richer in sugar with low acidity. Research limitations: No limitations were founded. Originality/Value: This study valorized the autochthone vines of El Jerid Oasis, Tunisia, by highlighting their fruit qualities, especially the taste. Therefore, the plantation of these autochthone vines should be favorized for grape table consumptions.

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