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Dergiler / Yüzüncü Yıl Üniversitesi Tarım Bilimleri Dergisi / 2026 / Issue: 1

Ampelographic Characterization and Multivariate Analysis of Grapevine Genotypes from Eastern Anatolia, Türkiye

Tevhit Geçim(Bahçe Kültürleri Araştırma Enstitüsü Müdürlüğü)0000-0003-2406-9929
Nalan Nazan Kalkan(Horticultural Research Institute Directorate, Erzincan)0000-0002-9204-7281
Abdurrahim Bozkurt(Horticultural Research Institute Directorate, Erzincan)0000-0001-7315-202X
Hüseyin Vurgun(Horticultural Research Institute Directorate, Erzincan)0000-0002-8627-7291
Birol Karadoğan(General Directorate of Agricultural Research and Policies, Ankara,)0000-0002-1526-1751
Emine Orhan(ATATURK UNIVERSITY)0000-0002-5503-6081
İsmail Esmek(Elmalı District Directorate of Provincial Agriculture and Forestry, Antalya)0009-0002-3883-0862
Özkan Kaya(Horticultural Research Institute Directorate, Erzincan)0000-0002-1679-6125
Sayfa
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Yayın Tarihi
2026-07-02
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⚡ TL;DR(1 Cümlede Hızlı Çıkarım)

The concordance between analyses confirmed statistically consistent and biologically meaningful differentiation, highlighting the high phenotypic diversity and breeding potential of Eastern Anatolia grapevine resources.

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Amaç & Hipotez:This study aimed to determine the ampelographic descriptors of 32 grapevine genotypes cultivated in the Eastern Anatolia Region and conserved in the Eastern Anatolia grapevine genetic resource plot, including the reference cultivar Karaerik, and to elucidate their phenotypic relationships using multivariate statistical analyses.
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Temel Bulgular & Veri:Over two consecutive years (2024–2025), 53 International Organisation of Vine and Wine (OIV) descriptors (23 quantitative, 30 qualitative) were applied to evaluate vegetative, cluster, and berry traits.
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Sonuç & Katkı:The concordance between analyses confirmed statistically consistent and biologically meaningful differentiation, highlighting the high phenotypic diversity and breeding potential of Eastern Anatolia grapevine resources.
🔬Tür:Research Article
📍Kapsam:2024–2025 Verileri
⚙️Değişkenler:Ampelography · Phenotypic diversity · OIV descriptors

Abstract

This study aimed to determine the ampelographic descriptors of 32 grapevine genotypes cultivated in the Eastern Anatolia Region and conserved in the Eastern Anatolia grapevine genetic resource plot, including the reference cultivar Karaerik, and to elucidate their phenotypic relationships using multivariate statistical analyses. Over two consecutive years (2024–2025), 53 International Organisation of Vine and Wine (OIV) descriptors (23 quantitative, 30 qualitative) were applied to evaluate vegetative, cluster, and berry traits. Measurements were conducted with 10 replicates for vegetative and cluster traits and 30 replicates for berry and seed traits. Significant morphological and agronomic differences were observed among genotypes. Hermaphrodite flowers accounted for 63.64% of the genotypes, while 36.36% were morphologically hermaphrodite–physiologically female. Cluster length ranged from 7.90 to 21.47 cm, cluster weight from 58.12 to 642.53 g, and berry weight from 1.86 to 5.85 g. Soluble solids varied between 14.45 and 26.30 °Brix, total acidity between 0.54 and 0.96 g L⁻¹, and pH from 2.69 to 3.78. Principal Component Analysis explained 34.7% of total variation in the first two components (PC1: 19.2%; PC2: 15.5%), mainly associated with leaf–cluster traits and berry size parameters, respectively. Two-way hierarchical clustering (Ward, Euclidean distance) grouped genotypes into four clusters, with genetic distances ranging from 3.29 to 16.43. The concordance between analyses confirmed statistically consistent and biologically meaningful differentiation, highlighting the high phenotypic diversity and breeding potential of Eastern Anatolia grapevine resources.

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Bu Makaleye Atıf Yap

Geçim, T., Kalkan, N. N., Bozkurt, A., Vurgun, H., Karadoğan, B., Orhan, E., Esmek, İ., Kaya, Ö. (2026). Ampelographic Characterization and Multivariate Analysis of Grapevine Genotypes from Eastern Anatolia, Türkiye. Yüzüncü Yıl Üniversitesi Tarım Bilimleri Dergisi, Issue: 1. https://doi.org/10.29133/yyutbd.1900920

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