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Journals / Harran Tarım ve Gıda Bilimleri Dergisi / 2026 / Cilt: 30 Sayı: 3

Effects of some essential oils to the bean weevil Acanthoscelides obtectus Say (Coleoptera: Chrysomelidae)

Bazı uçucu yağların fasulye tohum böceği Acanthoscelides obtectus say (Coleoptera: Chrysomelidae) üzerindeki etkileri

Betül Kayahan(ısparta uygulamalı bilimler üniversitesi)0000-0001-6000-0780
Ali Kayahan(YOZGAT BOZOK UNIVERSITY)0000-0002-3671-254X
Pages
1170–1183
Publication Date
2026-09-23
DOI
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

Overall, the results indicate that these essential oils have potential for the management of A. obtectus.

📌 3 Key Takeaways

🎯
Objective & Hypothesis:A significant pest of beans, Acanthoscelides obtectus Say (Coleoptera: Chrysomelidae), is widely distributed and causes considerable economic losses in dry beans (Phaseolus vulgaris L.) worldwide.
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Key Findings & Data:All experiments and insect colony maintenance were conducted in climate chambers at 25±1°C and 60±5% relative humidity.
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Conclusion & Impact:Overall, the results indicate that these essential oils have potential for the management of A. obtectus.
🔬Design:Araştırma Makalesi
📍Scope:Comprehensive Sample
⚙️Variables:Fumigant · repellent · uçucu yağ

Abstract

A significant pest of beans, Acanthoscelides obtectus Say (Coleoptera: Chrysomelidae), is widely distributed and causes considerable economic losses in dry beans (Phaseolus vulgaris L.) worldwide. In this study, the repellent and toxic effects of the essential oils of clove (Eugenia caryophyllata), ginger (Zingiber officinalis), and anise (Illicium verum) were evaluated against the bean weevil A. obtectus, a major pest of stored dry beans. All experiments and insect colony maintenance were conducted in climate chambers at 25±1°C and 60±5% relative humidity. The repellent effects of the essential oils were tested at a dose of 25,000 ppm L⁻¹, and repellent indices were calculated. The repellent indices were 71.96, 52.83, and 25.76 for clove, ginger, and anise oils, respectively. In addition to repellency, the oils also exhibited toxic effects on the pest. Mortality rates of A. obtectus increased with increasing doses of the essential oils. Lethal concentrations (LC₃₀, LC₄₀, LC₅₀, and LC₉₀) were determined based on mortality data. Among the tested oils, E. caryophyllata showed the highest toxicity, with lower lethal concentration values than the other two oils. Overall, the results indicate that these essential oils have potential for the management of A. obtectus. However, further studies under different conditions and application strategies are needed to enhance their practical use in pest control.

Özet

Fasulyenin önemli zararlılarından biri olan Acanthoscelides obtectus Say (Coleoptera: Chrysomelidae), dünya genelinde yaygın olarak bulunan ve kuru fasulyede (Phaseolus vulgaris L.) önemli ekonomik kayıplara neden olan bir türdür. Bu çalışmada karanfil (Eugenia caryophyllata), zencefil (Zingiber officinalis) ve anason (Illicium verum) uçucu yağlarının kuru fasulyede önemli zararlılardan biri olan fasulye tohum böceği A. obtectus üzerindeki repellent ve toksik etkileri araştırılmıştır. Tüm deneyler ve böcek kolonisi üretimi 25±1°C sıcaklık ve %60±5 bağıl nem koşullarına ayarlanmış iklim odalarında yürütülmüştür. Uçucu yağların repellent etkileri 25,000 ppm L⁻¹ dozunda test edilmiş ve repellent indeksleri hesaplanmıştır. Buna göre repellent indeksleri sırasıyla karanfil, zencefil ve anason yağları için 71,96, 52.83 ve 25,76 olarak belirlenmiştir. Repellent etkinin yanı sıra uçucu yağların zararlı üzerinde öldürücü etkileri de tespit edilmiştir. Uçucu yağ dozları arttıkça A. obtectus’un ölüm oranının da arttığı gözlenmiştir. Elde edilen ölüm oranlarına göre uçucu yağların öldürücü dozları (LC₃₀, LC₄₀, LC₅₀ ve LC₉₀) hesaplanmıştır. Test edilen yağlar arasında karanfil en yüksek toksisiteyi göstermiş ve diğer iki uçucu yağa kıyasla daha düşük öldürücü doz değerlerine sahip olmuştur. Elde edilen sonuçlar, çalışmada kullanılan uçucu yağların A. obtectus’un kontrolünde potansiyel taşıdığını göstermektedir. Ancak bu yağların pratik kullanımını artırmak için farklı uygulama yöntemleri ve koşullar altında daha fazla çalışmaya ihtiyaç bulunmaktadır.

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Cite This Article

Kayahan, B., Kayahan, A. (2026). Effects of some essential oils to the bean weevil Acanthoscelides obtectus Say (Coleoptera: Chrysomelidae). Harran Tarım ve Gıda Bilimleri Dergisi, Cilt: 30 Sayı: 3, 1170–1183. https://ajindex.com/articles/1348280

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