Türkiye’nin geçiş iklim bölgelerinde hibrit zoysia çiminin kullanım potansiyeli

Öz

Bu çalışma, Isparta'nın geçiş iklim koşullarında Türk hibrit zoysia çimlerinin kışın hayatta kalma oranlarını belirlemeyi amaçlamıştır. Bitki materyali olarak Zoysia japonica ve Zoysia matrella ebeveynlerinin çaprazlamalarından elde edilen 214 melez ve kontrol olarak beş ticari çeşit (Emerald, Empire, JaMur, Zenith ve Zeon) kullanılmıştır. Kış sonrası geri gelme ve adaptasyonu değerlendirmek amacıyla, Mayıs'tan Temmuz'a kadar yeniden yeşillenme oranları belirlenmiştir. Bulgular, tüm hibritlerin %17’sini oluşturan toplam 37 hibrit hattın kış soğuk stresine dayanamadığını göstermiştir. Hibritler arasında ilkbaharda yeniden yeşillenme oranlarında önemli farklılıklar gözlemlenmiş olup bazı hatlar her iki ebeveynden de daha iyi performans göstererek transgresif açılım sergilemiştir. Toplamda 63 hibrit hat (%29) %100 yeşillenme oranına ulaşmış ve geçiş iklimine sahip bölgelerdeki kentsel yeşil alanlarda kullanım için uygun olduklarını göstermiştir. Su tasarrufunun giderek daha fazla önem kazandığı göz önünde bulundurulduğunda, bu hibritlerin geniş çaplı yeşil alan projelerinde kullanımı önerilmektedir. Ayrıca, bazı hibritler ticari çeşitlerden üstün performans sergilemiş olup bu yerel hibrit hatların kullanılması, çim sektöründeki dışa bağımlılığı azaltabilir ve yüksek çim kalitesini korurken peyzaj kullanımına sürdürülebilir çözümler sunabilir.

Anahtar Kelimeler

• Hibrit hatlar
• geçiş iklimleri
• ilkbaharda yeniden yeşillenme
• kış dormansisi
• zoysia çimi

Hybrid zoysia grass potential for turf use in transitional climate zones of Türkiye

Öz

This study aimed to determine the winter survival of Turkish hybrid zoysia grasses under the transitional climate conditions of Isparta. The plant materials were the 214 hybrids developed from crosses involving Zoysia japonica and Zoysia matrella parents, and five commercial cultivars (Emerald, Empire, JaMur, Zenith, and Zeon) as controls. Spring green-up rates were assessed from May to July to evaluate post-winter recovery and adaptation. The findings suggest that a total of 37 hybrids (17%) did not survive winter cold stress. Significant variation in spring green-up rates was observed among the hybrids, with some outperforming both parents, demonstrating transgressive segregation. A total of 63 hybrids (29%) achieved 100% spring green-up, indicating their suitability for use in urban green spaces in regions with a transitional climate. Given the increasing importance of water conservation, these selected hybrids are highly recommended for use in larger-scale green area projects. Additionally, some hybrids outperformed commercial cultivars, suggesting that utilizing these locally developed hybrid lines could reduce dependence on foreign turfgrass varieties while offering sustainable solutions for landscape use without compromising turf quality.

Anahtar Kelimeler

• Hybrid lines
• transitional climates
• spring green-up
• winter dormancy
• zoysia grass

Kaynakça

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