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A multivariate approach for the ampelographic discrimination of grapevine (Vitis vinifera) cultivars: application to local Syrian genetic resources
VerfasserKhalil, S. ; Tello, J. ; Hamed, F. ; Forneck, A.
Erschienen in
Genetic Resources and Crop Evolution, Berlin, 2017, Jg. 64, H. 8, S. 1841-1851
ErschienenSpringer, 2017
SpracheEnglisch
DokumenttypAufsatz in einer Zeitschrift
Schlagwörter (EN)Conservation / Descriptors / Genetic resources / Phenotypic diversity / Syrian Arab Republic / Vitis vinifera L.
ISSN1573-5109
URNurn:nbn:at:at-ubbw:3-2203 Persistent Identifier (URN)
DOI10.1007/s10722-017-0561-x 
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A multivariate approach for the ampelographic discrimination of grapevine (Vitis vinifera) cultivars: application to local Syrian genetic resources [1.1 mb]
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Zusammenfassung (Englisch)

Due to its unique historical and geographical emplacement, grapes have been cultivated in the Syrian Arab Republic for more than 5000 years, so the characterization of its local genetic resources is paramount for understanding grapevine natural diversity. In this work, different local Syrian table grape cultivars were characterized for 42 traits related to plant phenology, shoot, leaf, cluster, berry and juice composition. A series of multivariate analyses were sequentially performed, and five highly-discriminant traits were identified as the most discriminant ones (shoot internode length, berry weight, berry elongation, 100-seed weight and juice titratable acidity). The clustering of the cultivars according to these five traits revealed that some local Syrian cultivars share similitude with some worldwide grown cultivars, suggesting their potential as new genetic resources for the development of new high-quality table grape varieties, and indicating the needing of specific preservation programs aimed to avoid the loss of endangered genetic local resources. Besides, the statistical multivariate pipeline followed in this work is proposed as an efficient one for the selection of ampelographic traits for the discrimination of grapevine cultivars.

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CC-BY-Lizenz (4.0)Creative Commons Namensnennung 4.0 International Lizenz