Bak Tuba, Arslan Mustafa, Karadeniz Turan
Faculty of Agriculture, Department of Horticulture, Pamukkale University, Çivril, Denizli, Türkiye.
Western Black Sea Forestry Research Institute, General Directorate of Forestry, Bolu, Türkiye.
BMC Plant Biol. 2025 Sep 12;25(1):1202. doi: 10.1186/s12870-025-07234-x.
This study was carried out to determine the fruit characteristics of Turkish hazelnut (Corylus colurna L.) by pre-selection. The aim was to determine the fruit characteristics and the relationship between them. This research was carried out in four different locations in Bolu province. Nut weight was 0.81-2.38 g; kernel weight was 0.41-0.85 g; shell thickness was 1.00-2.86, and kernel percentage was 27.88-55.85%. Correlation analyses showed a high correlation, especially between kernel percentage and shell thickness, kernel weight, and nut weight. According to the heat map clustering analysis results, although the kernel percentage was in a different subgroup, it was clustered in the same group: nut length, nut shape index, kernel length, and kernel shape index. Among the prominent genotypes, MR31, KR8, and MR15 stand out with their nut weights, MR31, MR25, and MR14 with their kernel weight, MR7 with a thin shell, and MR4, MR6, and MR14 with their kernel percentage. As a result, in this study, genotypes with different characteristics of Turkish hazelnuts can be used as material for various purposes in breeding programs. These results may also contribute to conserving hazelnut genetic resources and future hazelnut breeding studies.
本研究旨在通过预选确定土耳其榛子（Corylus colurna L.）的果实特征。目的是确定果实特征及其之间的关系。本研究在博卢省的四个不同地点进行。坚果重量为0.81 - 2.38克；果仁重量为0.41 - 0.85克；壳厚度为1.00 - 2.86，果仁率为27.88 - 55.85%。相关性分析显示出高度相关性，尤其是果仁率与壳厚度、果仁重量和坚果重量之间。根据热图聚类分析结果，虽然果仁率处于不同亚组，但它与坚果长度、坚果形状指数、果仁长度和果仁形状指数聚类在同一组。在突出的基因型中，MR31、KR8和MR15以其坚果重量脱颖而出，MR31、MR25和MR14以其果仁重量突出，MR7以薄壳突出，MR4、MR6和MR14以其果仁率突出。结果，在本研究中，具有不同特征的土耳其榛子基因型可作为育种计划中各种用途的材料。这些结果也可能有助于保护榛子遗传资源和未来的榛子育种研究。
