Abstract
The aim of the present research was to investigate the fruit quality of twenty different local pear varieties (Pyrus communis L.), namely Ahlat, Ankara, Arpa, Bıldırcın, Çermai, Cinci, Gelin Boğan, Hacı Hamza, Hahır, Kabak, Kızıl, Kokulu, Mehrani, Menendi, Sulu, Şalgam, Tokat Sultanı, Turşu, Yaz, and Yaz Meyriği, grown in Gumushane province in terms of pomological and morphological characteristics and chemical compositions. The fruit mass, fruit width and length, fruit stem thickness and length, fruit kernel width and length, hardness of pulp, number of seeds, leaf width and length, leaf stem length and thickness, and water soluble dry matter (WSDM) of the pear fruits have been determined as pomological and morphological characteristics. On the other hand, the chemical compositions of the pear varieties have been evaluated in terms of protein, ash, sucrose, fructose, glucose, total sugar, titratable acidity, moisture, and mineral element levels.
Both pomological and morphological results demonstrated that the local pear varieties are important in terms of rehabilitation studies and detailed selection studies on these local varieties should be performed. The chemical analyses result of the pear varieties revealed that there is no component that may be harmful to human health when consumed, and also these varieties contains the necessary amount of mineral elements.
Zusammenfassung
Das Ziel dieser Arbeit war es, die Qualität der Früchte von zwanzig lokalen Birnensorten, namentlich: Ahlat, Ankara, Arpa, Bildircin, Cermai, Cinci, Gelin Bogan, Haci Hamza, Hahir, Kabak, Kizil, Kokulu, Mehrani, Menendi, Sulu, Salgam, Tokat Sulatani, Tursu, Yaz und Yaz Meyrigi, die alle in der Provinz Gümüshane vorkommen, hinsichtlich ihrer pomologischen und morphologischen Eigenschaften und chemischen Zusammensetzung zu untersuchen. Die Fruchmasse, -größe, -länge, -kerndicke und -kerngröße, Härte des Fruchtkerns, Anzahl der Kerne, Blattgröße und Blattlänge, die Länge und der Durchmesser des Stammes und die lösliche Trockensubstanz der Birnenfrüchte wurden als pomoligsche und morphologische Eigenschaften bestimmt. Weiterhin wurden der Protein‑, Aschegehalt, der Gehalt an Saccharose, Fructose, Glucose und Gesamtzucker und tritierbarer Säure, der Feuchtigkeitsgehalt und der Gehalt an Mineralstoffen bestimmt.
Sowohl pomologische als auch morphologische Eigenschaften zeigen, dass detaillierte Selektionsstudien zu diesen lokalen Sorten durchgeführt werden sollten. Die chemischen Analysenergebnisse der Birnensorten zeigen, dass es keine Inhaltsstoffe gibt, die für die menschliche Gesundheit schädlich sein könnten, wenn die Früchte verzehrt werden. Weiterhin enthalten diese Sorten auch nennenswerte Mengen an mineralischen Elementen.
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Acknowledgements
The authors wish to thank the Research Council of the Gumushane University (Project No: 16.B0123.02.01) for the financial support of this study.
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O. Kalkisim, Z. Okcu, B. Karabulut, D. Ozdes and C. Duran declare that they have no competing interests.
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Kalkisim, O., Okcu, Z., Karabulut, B. et al. Evaluation of Pomological and Morphological Characteristics and Chemical Compositions of Local Pear Varieties (Pyrus communis L.) Grown in Gumushane, Turkey. Erwerbs-Obstbau 60, 173–181 (2018). https://doi.org/10.1007/s10341-017-0354-6
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DOI: https://doi.org/10.1007/s10341-017-0354-6