The Effects of Leaf Removal and Cluster Thinning Applications on Shoot Characteristics at Different Phenological Developmental Stages of Vine

Yıl 2023, Cilt: 38 Sayı: 3, 441 - 458, 26.10.2023

Elman Bahar , İlknur Korkutal , Serhan Azsöz

https://doi.org/10.7161/omuanajas.1194497

Öz

During the active growing period, green pruning operations are carried out to establish a balance between the vegetative and generative development of the vines. In this research conducted in the Tekirdağ province, the effects of leaf removal and cluster thinning applications on shoot characteristics were investigated in a 10-year-old vineyard established with the Michele Palieri/110R combination. The experiment was carried out for two years during the 2018-2019 and 2019-2020 vegetation periods. Four different leaf removal and cluster thinning applications [control (no cluster thinning and no leaf removal), cluster thinning, leaf removal, leaf removal-cluster thinning] were performed at three different developmental stages (berry set, bunch closure, veraison). To determine shoot characteristics, shoot length (cm), shoot elongation rate (cm per 15 days), pruning wood weight per vine (vegetative development status) (kg per vine), vigor (weight of one-year-old cane) (g), strength, Ravaz Index, total pruning wood weight (kg), and yield (kg per vine) criteria were examined. As a result, the balance between vegetative and generative development (Index Ravaz) was achieved during the veraison with cluster thinning (9.34), leaf removal (9.98), and control (10.44) applications, respectively. This had a positive effect on shoot characteristics. Additionally, cluster thinning (13.66 kg per vine) and leaf removal-cluster thinning (9.89 kg per vine) reduced the yield as expected.

Anahtar Kelimeler

cv. Michele Palieri, Leaf Removal, Cluster Thinning, Shoot Characteristics, Table Grape

Asmanın Farklı Fenolojik Gelişim Aşamalarında Gerçekleştirilen Yaprak Alma ve Salkım Seyreltme Uygulamalarının Sürgün Özelliklerine Etkileri

Öz

Vejetasyon periyodu içinde yapılan yeşil budama işlemleriyle omcaların vejetatif gelişmesiyle generatif gelişmesi arasında denge kurulmaya çalışılmaktadır. Bu araştırmada Tekirdağ ilinde, Michele Palieri/110R kombinasyonuyla kurulan 10 yaşındaki bağda, omcalar üzerinde gerçekleştirilen yaprak alma ve salkım seyreltme uygulamalarının sürgün özelliklerine etkileri incelenmiştir. Deneme 2018-2019 ve 2019-2020 vejetasyon periyodlarında iki yıl süreyle yürütülmüştür. Üç farklı gelişme döneminde (tane tutumu, iri koruk, ben düşme) gerçekleştirilen dört farklı yaprak alma ve salkım seyreltme uygulaması [kontrol (salkım seyreltme ve yaprak alma yok), salkım seyreltme, yaprak alma, yaprak alma-salkım seyreltme] yapılmıştır. Sürgün özelliklerini belirlemek için; sürgün uzunluğu (cm), sürgün uzama hızı (cm 15 gün-1), omca başına budama odunu ağırlığı (vejetatif gelişme durumu) (kg omca-1), vigor (1 yıllık dal ağırlığı) (g), güç, Ravaz İndeksi, toplam budama odunu ağırlığı (kg) ve verim (kg omca-1) kriterleri incelenmiştir. Sonuç olarak yapılan uygulamalar ile vejetatif ile generatif gelişim dengesi (Ravaz İndeksi) ben düşme döneminde sırasıyla salkım seyreltme (9.34), yaprak alma (9.98) ve kontrol (10.44) uygulamalarıyla sağlanmıştır. Bu da sürgün özelliklerine olumlu etkide bulunmuştur. Ayrıca salkım seyreltme (13.66 kg omca-1) ve yaprak alma ile salkım seyreltme (9.89 kg omca-1) beklendiği üzere verimi düşürmüştür.

Anahtar Kelimeler

Michele Palieri, Yaprak Alma, Salkım Seyreltme, Sürgün Özellikleri, Sofralık Üzüm

Kaynakça

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