The Effect of Paclobutrazol Applications on Yield, Quality, Plant Growth and Residue in Hydroponic Tomato Cultivation

Tarık Balkan; Hakan Kartal; Özlem Yılmaz

doi:10.18016/ksutarimdoga.vi.1612863

EN TR

The Effect of Paclobutrazol Applications on Yield, Quality, Plant Growth and Residue in Hydroponic Tomato Cultivation

Abstract

The study was conducted in 2022 in a fully automated, soilless agriculture greenhouse at the Research Centre Directorate of Tokat Gaziosmanpaşa University. The study investigated the effects of different doses of paclobutrazol (PBZ) on yield, quality, plant growth, and PBZ residue levels in tomato plants. The plant material employed in this study was the Belford Fı (Syngenta-Türkiye) pole tomato variety. The experiment was conducted in three replicates according to a random plots factorial experiment design. The results of this study indicate that foliar applications of 50 ppm, and 100 ppm PBZ produced the most optimal outcomes. The highest marketable yield was observed in the treatment with a foliar application of 50 ppm PBZ, resulting in an average yield of 385.33 kg/ha. Subsequently, a foliar application of PBZ at a rate of 100 ppm (374.24 kg/ha) was conducted, along with a control treatment (268.55 kg/ha). The study revealed no statistically significant differences between treatments in terms of fruit wet weight, dry weight, pH, and titratable acidity. Furthermore, as the PBZ doses increased, the internode length, and plant height showed a corresponding reduction. The findings of this study indicate that, in soilless tomato cultivation, foliar applications of PBZ produce superior results compared to soil applications. Additionally, no PBZ residue was detected in the fruit.

Keywords

Topraksız Domates Yetiştiriciliğinde Paclobutrazol Uygulamalarının Verim, Kalite, Bitki Gelişimi ve Kalıntı Üzerine Etkisi

Öz

Bu çalışma 2022 yılında Tokat Gaziosmanpaşa Üniversitesi Araştırma Merkez Müdürlüğü bünyesindeki tam otomasyonlu topraksız tarım serasında yürütülmüştür. Araştırmada farklı dozlarda paclobutrazol uygulamalarının domates bitkisinin verim, kalite, bitki gelişimi ve paclobutrazol (PBZ) kalıntıları incelenmiştir. Bitkisel materyal olarak Belford Fı (Syngenta-Türkiye) sırık domates çeşidi kullanılmıştır. Tesadüf parselleri faktöriyel deneme desenine göre 3 tekerrürlü olarak yürütülmüştür. Bu çalışmada domates bitkisinde verim özellikleri açısından yapılan gözlemlerde en iyi sonuç 50 ppm yapraktan PBZ ve 100 ppm yapraktan PBZ uygulamasından elde edilmiştir. En yüksek pazarlanabilir verim 50 ppm yapraktan PBZ uygulamasında 385.33 kg/da olmuştur. Bunu sırasıyla 100 ppm yapraktan PBZ uygulaması (374.24 kg/da) ve kontrol uygulaması (268.55 kg/da) takip etmiştir. Çalışmada meyve yaş-kuru ağırlık, pH ve titreedilebilir asit miktarı bakımından uygulamalar arasında istatistiksel olarak önemli bir fark gözlenmemiştir. Ayrıca, uygulamalar arasında PBZ dozları arttıkça ve buna paralel olarak boğum arası uzunluk ve bitki boyunda kısalmalar meydana gelmiştir. Bu çalışmanın sonucunda farklı PBZ uygulamaları arasında topraksız domates yetiştiriciliğinde yapraktan PBZ uygulamalarının topraktan PBZ uygulamalarına göre daha iyi sonuç verdiği; ayrıca meyvede PBZ kalıntısı oluşturmadığı tespit edilmiştir.

Anahtar Kelimeler

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Details

Primary Language

English

Subjects

Vegetable Growing and Treatment , Pesticides and Toxicology

Journal Section

Research Article

Authors

Tarık Balkan
0000-0003-4756-4842
Türkiye

Hakan Kartal ^*
0000-0002-3870-1588
Türkiye

Özlem Yılmaz
0000-0001-8564-120X
Türkiye

Early Pub Date

March 20, 2025

Publication Date

March 27, 2025

Submission Date

January 3, 2025

Acceptance Date

February 8, 2025

Published in Issue

Year 2025 Volume: 28 Number: 2

DOI

https://doi.org/10.18016/ksutarimdoga.vi.1612863

IZ

https://izlik.org/JA22GU53JF

Cite

RIS / Bibtex

APA

Balkan, T., Kartal, H., & Yılmaz, Ö. (2025). The Effect of Paclobutrazol Applications on Yield, Quality, Plant Growth and Residue in Hydroponic Tomato Cultivation. Kahramanmaraş Sütçü İmam Üniversitesi Tarım Ve Doğa Dergisi, 28(2), 432-445. https://doi.org/10.18016/ksutarimdoga.vi.1612863

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Effects of Foliar Paclobutrazol Applications on Plant Growth, Yield, Quality, and Residue Levels in Greenhouse Cucumber Cultivation

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