İlknur Korkutal, ELMAN BAHAR, SELİHA SEÇİL BAYRAM

Farklı Toprak İşleme ve Yaprak Alma Uygulamalarının Syrah Üzüm Çeşidinde, Sürgün ve Yaprak Özellikleri ile Su Stresi Üzerine Etkileri

Bu araştırmada Tekirdağ koşullarında Syrah üzüm çeşidinde farklı toprak işleme ve yaprak alma uygulamalarının sustresi, sürgün ve yaprak özellikleri üzerine etkilerinin incelenmesi amaçlanmıştır. Üç farklı toprak işleme uygulaması;korumalı toprak işleme (KTİ), korumalı toprak işleme+geleneksel toprak işleme (KTİ+GTİ) ve geleneksel toprakişleme (GTİ) yapılmıştır. Yine araştırmada 3 farklı yaprak alma uygulaması; kontrol (AY+KY) uygulaması (ana yaprakve koltuk yaprakların omca üzerinde bırakıldığı), AY uygulaması (ana yaprakların omca üzerinde bırakıldığı) ve KYuygulaması (koltuk yaprakların omca üzerinde bırakıldığı) şeklinde düzenlenmiştir. Araştırmada yaprak supotansiyelleri (şafak öncesi ve gün ortası); sürgün özellikleri (sürgün uzunlukları değişimi, sürgün büyüme hızı,budama odunu ağırlığı, güç, vigor); yaprak özellikleri [doğrudan güneşlenen yaprak alanı=DGYA, omca başına düşenDGYA, bir kg üzüme düşen DGYA, omca başına düşen gerçek yaprak alanı (GA), bir kg üzüme düşen yaprak alanı(ÜDA)] ve omca başına verim kriterleri incelenmiştir. KTİ+GTİ uygulamasının yaprak su potansiyeli ve yaprak alanınıazalttığı görülmüş ancak sonuç olarak, kırmızı şaraplık üzüm çeşidi olan Syrah için toprak işleme uygulamalarında KTİuygulaması, yaprak alma uygulamalarından ise Kontrol (AY+KY) uygulaması önerilmiştir.

Effects of Different Soil Tillages and Leaf Removal Applications on Shoot and Leaf Characteristics and Water Stress of cv. Syrah

Different soil tillage and leaf removal treatment effects on water stress, shoot and leaf characteristics were studied in this research. In Tekirdag conditions, Syrah grape cultivar was used as a plant material. Three different soil tillage treatments were used; conservative soil tillage (CST), conservative soil tillage+traditional soil tillage (CST+TST) and traditional soil tillage (TST). Three different leaf removal applications were performed; control (ML+SL) treatment (treatments which main leaf and secondary leaves were left together on vine), ML (treatments which main leaves were left on the vine), SL (treatments which secondary leaves were left on vine). Leaf water potentials (predawn and midday), shoot characteristics (shoot elongation, rate, pruning wood weight, puissance, vigor), leaf characteristics (sun exposed leaf area (ELA), ELA per vine, ELA per kg grape, real leaf area per vine, leaf area per kg grape) and yield per vine criterias were examined in this research. According to results; with CST+TST treatment, leaf water potential and leaf area were decreased. In conclusion, for cv. Syrah, CST soil tillage treatment and control (ML+SL) leaf removal treatment was recommended.

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