BAZI YENİ SOFRALIK ÜZÜM ÇEŞİTLERİNİN (Vitis vinifera) GÖZ VERİMLİLİKLERİNİN BELİRLENMESİ

Sofralık üzüm yetiştiriciliği yaparken verim ve kalite yönünden yüksek çeşitler tercih edilir. Bu nedenle, ıslah çalışmalarında verim ve göz verimliliği konularına dikkat etmek çok önemlidir. Yeni çeşitlerin göz verimliliği çalışmalarını yürütmek ve doğru budama ile uygun ürün yüklemesini belirlemek gerekir. Ayrıca göz verimliliğinin çeşide bağlı olarak değişebileceği bildirildiği için, mutlaka yeni çeşitlerde yapılacak araştırmalar ile belirlenmesi gerekir. Bu çalışmada Yalova Atatürk Bahçe Kültürleri Merkez Araştırma Enstitüsü Bağ Genetik Kaynakları parselinde yer alan 5 farklı yeni sofralık üzüm çeşidinin (Atak 77, Pembe 77, Arifbey, Prima ve Trakya İlkeren) göz verimliliği incelenmiştir. 5 yeni sofralık üzüm çeşidinin göz verimliliğini belirlemek için, yıllık sürgünlerde 1.’den 10. tomurcuklara kadar olan gözler incelenmiştir. Her bir çeşide ait gözlerin verimlilik değerleri araştırılmıştır. Çalışma sonucunda özellikle Atak 77 çeşidi en yüksek göz verimlilik değeriyle ön plana çıkarken, Pembe 77 en düşük göz verimlilik değerine sahip olduğu anlaşılmıştır. Ayrıca, 3. ve 4. gözlerin genel ortalamalar üzerinden en verimli gözler olduğu belirlenmiştir. İlk gözün en düşük göz verimlilik değerine sahip olduğu belirlenmiştir. Bu çalışmadan elde edilen sonuçlar, doğru kış budaması için sofralık üzüm yetiştiricilerine aktarılacaktır.

Anahtar Kelimeler:

Verim, kış tomurcuğu, kış budaması, salkım sayısı

BUD FERTILITY DETERMINATION OF SOME NEW TABLE GRAPE CULTIVARS (Vitis vinifera)

When cultivating table grapes, cultivars with high yield and quality are preferred. For this reason, it is very important to pay attention to yield and bud fertility issues in breeding studies. It is necessary to conduct bud fertility studies of new cultivars and to determine appropriate product loading with correct pruning. In addition, since it is reported that bud fertility may change depending on the cultivar, it must be determined by researches to be made in new cultivars. So, studies on the bud fertility of new cultivars are essential in terms of informing the growers correctly. In this study, the bud fertility of 5 different new table grapes (Atak 77, Pembe 77, Arifbey, Prima and Trakya İlkeren) in Yalova Atatürk Horticultural Central Research Institute Vineyard Genetic Resources plot were studied. In order to determine the bud fertility of 5 new table grape cultivars, from the 1ˢᵗ to 10ᵗʰ buds on the annual shoots were examined. The bud fertility values of each bud and cultivar were investigated. As a result of the study, especially Atak 77 cultivar has come to the forefront as the highest bud fertility value, whereas Pembe 77 has the lowest bud fertility value. In addition, it was determined that the 3ʳᵈ and 4ᵗʰ buds were the most productive buds over the general averages. It was determined that the first bud had the lowest bud fertility. The results obtained from this study will be transferred to the table grape growers for the correct winter pruning.

Keywords:

Yield, winter bud, cluster number, winter pruning,

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