1. Department of Horticulture, Faculty of Agriculture, Bolu Abant Izzet Baysal University, Bolu 14030, Türkiye
2. Hazelnut Specialization Coordinatorship, Giresun University, Giresun 28200, Türkiye
3. Institute of Graduate Studies, Bolu Abant Izzet Baysal University, Bolu 14030, Türkiye
4. Department of Horticulture, Faculty of Agriculture, Sirnak University, Sirnak 73000, Türkiye