24 Mart 2025 Dergi makalesi Açık Erişim

Bahar Elman; Korkutal İlknur; Erişken Semih

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    <subfield code="a">10.15316/SJAFS.2025.005</subfield>
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    <subfield code="a">The Effect of Rootstocks and Berry Heterogeneity on the Phytochemical Properties in Vitis vinifera L. Papazkarası Grapes</subfield>
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    <subfield code="u">Namik Kemal University</subfield>
    <subfield code="0">(orcid)0000-0002-8842-7695</subfield>
    <subfield code="a">Bahar Elman</subfield>
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    <subfield code="a">Creative Commons Attribution-NonCommercial</subfield>
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    <subfield code="u">Namik Kemal University</subfield>
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    <subfield code="a">Korkutal İlknur</subfield>
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    <subfield code="u">Namik Kemal University</subfield>
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  <controlfield tag="001">274408</controlfield>
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    <subfield code="u">https://aperta.ulakbim.gov.trrecord/274408/files/3-Semih-Selcuk-fito.pdf</subfield>
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    <subfield code="a">Berry size; wine grape; Papazkarası; autochthonous variety; secondary metabolites</subfield>
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    <subfield code="a">&lt;p&gt;There are differences in development and composition between the clusters on the vines and the grape berries on the&amp;nbsp;clusters. Therefore, grouping berries by size in wine grape varieties can help better manage the composition of the wine&amp;nbsp;to be produced. The aim of this research is to reveal the effect of berry heterogeneity on primary and secondary metabolites&amp;nbsp;in the cv. Papazkarası. The Papazkarası vines are grafted onto the rootstocks 1103P, 110R, and 420A and are trained in the&amp;nbsp;double Cordon Royat system. The clusters harvested from each rootstock were separated into individual berries. These&amp;nbsp;berries were then grouped by size using sieves. The size groups were: &amp;le;12.00 mm; 12.01-14.00 mm; 14.01-16.00 mm; 16.01-18.00 mm; and &amp;ge;18.00 mm, forming five groups. A control group was created by taking berries from each size group. In terms of primary metabolites in the must, the Papazkarası/1103P combination and the &amp;ge;18.00 mm size group stood out.&amp;nbsp;However, the maturity indices, Brix, and % alcohol criteria were found to be insufficient for all rootstocks and berry sizes.&amp;nbsp;Regarding secondary metabolites, it was found that the &amp;le;12.00 mm and 12.01-14.00 mm size groups had high values in all graft combinations. The size group with the highest total anthocyanin and total phenolic content was the &amp;le;12.00 mm group.&amp;nbsp;Based on these results, berry size reduction practices will improve quality. The quality of the wines obtained from different&amp;nbsp;size groups should also be supported by sensory analyses. Sorting the berries by size will positively impact grape and thus&amp;nbsp;wine quality.&lt;/p&gt;</subfield>
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