Effect of slope position, different rootstocks, and cluster thinning practices on leaf area characteristics of cv. Cabernet Franc (Vitis vinifera L.)

Year 2024, , 13 - 22, 05.07.2024

İlknur Korkutal , Elman Bahar , Batuhan Koskosoğlu

https://doi.org/10.29278/azd.1258331

Abstract

Objective: In this study, the performance of cv. Cabernet Franc grafted onto two distinct rootstocks was evaluated over a two-year period. The aim was to investigate the impact of slope position and cluster thinning practices on leaf water potential and associated leaf area traits
Materials and Methods: This study used Cabernet Franc cv. as the plant material at Ch Kalpak Vineyards located in the Tekirdağ-Şarköy district, with Fercal and 140 Ru rootstocks used for grafting. The vines were planted with a spacing of 2.1 m x 1.0 m, and maintained at a stem height of 70 cm using a single-armed Cordon Royat system. The vineyard was oriented in a N-S direction, at an altitude of 309-327 m and a slope of 18%. The research established a Factorial Experimental Design in Divided Plots, with the data analyzed using the JMP statistical program and the LSD test performed post-analysis of variance.
Results: In the study, measurements of leaf water potential were taken and yield was evaluated in conjunction with leaf area characteristics.
Conclusion: To optimize the yield of cv. Cabernet Franc, it is recommended to utilize leaf water potential measurements to determine water requirements and manage irrigation practices accordingly. Additionally, rootstock selection, position in the slope, and crop load should be considered when applying cluster thinning, ensuring a yield no lower than 800 kg da-1.

Keywords

Fercal, 140Ru, Cabernet Franc, Cluster Thinning, Slope, Leaf Area

Cabernet Franc (Vitis vinifera L.) üzüm çeşidinin yaprak alanı özellikleri üzerine eğimdeki konum, farklı anaç ve salkım seyreltme uygulamalarının etkisi

Abstract

Amaç: Bu araştırma iki farklı anaca aşılanmış olan Cabernet Franc üzüm çeşidinin; eğimdeki konum ve salkım seyreltme uygulamalarına bağlı olarak yaprak su potansiyeli değişimleri ve yaprak özellikleri üzerine etkilerinin belirlenmesi amacıyla iki yıl süresince yürütülmüştür.
Materyal ve Yöntem: Bu çalışmada Tekirdağ-Şarköy ilçesi Ch Kalpak Vineyards’da bitkisel materyal olarak Cabernet Franc üzüm çeşidi; anaç olarak da Fercal ve 140 Ru anaçları kullanılmıştır. Dikim aralığı 2.1 m X 1.0 m ve asmaların gövde yüksekliği 70 cm’dir. Asmalar duvar sisteminde, tek kollu Kordon Royat terbiye şeklindedir. Parselin dikim yönü K-G olup, 309-327 m arası rakımda ve %18 eğime sahiptir. Bölünmüş Parsellerde Faktöriyel Deneme Deseninde kurulmuş olan araştırmadan alınan veriler JMP istatistik programı ile değerlendirilmiş ve varyans analizinden sonra LSD testi gerçekleştirilmiştir.
Araştırma Bulguları: Araştırmada yaprak su potansiyelleri ölçülmüş ve yaprak alan özellikleriyle birlikte verim değerlendirilmiştir.
Sonuç: Cabernet Franc çeşidinde; YSP ölçümlerinin yapılması, su ihtiyacının belirlenmesi ve anaç, konum ve ürün yükü gibi faktörlere göre sulama yapılması, salkım seyreltme uygulamasının gereksinime göre yapılması ve verimin 800 kg da-1 altına düşürülmemesi önerilmiştir.

Keywords

Fercal, 140Ru, Cabernet Franc, salkım seyreltme, eğim, yaprak

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