Journals / Türkiye Entomoloji Dergisi / 2015 / Cilt: 39 - Sayı: 4

PrunuslaurocerasusL. (Rosaceae)ekstraktlarınınTetranychus urticaeKoch (Acari: Tetranychidae)'ye karşı toksik ve repellent etkileri

Toxic and repellent effects of PrunuslaurocerasusL. (Rosaceae) extracts against Tetranychus urticaeKoch (Acari: Tetranychidae)

Pages
367–380
Publication Date
2022-11-05
DOI
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AI Summary & Key Takeaways

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⚡ TL;DR(Too Long; Didn't Read)

The results showed that seed extract was the most effective compared to flower and leaf extracts.

📌 3 Key Takeaways

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Objective & Hypothesis:The toxic and repellent effects of leaves, flower and seed extracts of Prunus laurocerasus L. (Rosaceae) were investigated against Tetranychus urticae Koch (Acari: Tetranychidae) under laboratory conditions.
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Key Findings & Data:Extracts at three different concentrations (1 %, 5 % (v/v), 10 % (w/v)) for ovicidal and repellent effects against eggs and adult females, respectively and at five different concentrations (1 %, 2.5 %, 5 %, 7.5 % (v/v), 10 % (w/v)) for the contact toxicity against female adults were evaluated.
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Conclusion & Impact:The results showed that seed extract was the most effective compared to flower and leaf extracts.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Domain Parameters

Abstract

The toxic and repellent effects of leaves, flower and seed extracts of Prunus laurocerasus L. (Rosaceae) were investigated against Tetranychus urticae Koch (Acari: Tetranychidae) under laboratory conditions. Extracts at three different concentrations (1 %, 5 % (v/v), 10 % (w/v)) for ovicidal and repellent effects against eggs and adult females, respectively and at five different concentrations (1 %, 2.5 %, 5 %, 7.5 % (v/v), 10 % (w/v)) for the contact toxicity against female adults were evaluated. The results showed that seed extract was the most effective compared to flower and leaf extracts. It was found that at 5 % and 10 % concentrations of seed extract, the repellent effects were 92 % and 100 %, respectively within the first 72 hours. At 10% concentration of seed extract, the ovicidal and adulticidal effect were 96.56 % and 100 %, respectively. Moreover, further concentration response trials showed that LC50 and LC90 values for the contact toxicity of seed extract on eggs and adult females were LC50=4.5 %, LC90=9.4 % and LC50=2.9 %, LC90=9.1 %, respectively. The result indicated that seed extract of P. laurocerasus has good potential to be used to control T. urticae. However, the impact of these extracts on natural enemies of T. urticae should also be needed further studies.

Özet

Prunus laurocerasus L. (Rosaceae)'un yaprak, çiçek ve çekirdek ekstraktlarının Tetranychus urticae Koch (Acari: Tetranychidae)'ye karşı toksik ve repellent etkileri laboratuvar koşullarında araştırılmıştır. Ekstraktların yumurta ve ergin dişilere karşı sırası ile ovisidal ve repellent etkileri üç (% 1, % 5 (v/v), % 10 (w/v)), ergin dişilere karşı kontakt toksisiteleri ise beş (% 1, % 2.5, % 5, % 7.5 (v/v), % 10 (w/v)) farklı konsantrasyonda test edilmiştir. Sonuçlar çekirdek ekstraktının, çiçek ve yaprak ekstraktları ile kıyaslandığında en etkili ekstrakt olduğunu göstermiştir. Çekirdek ekstraktının 5 % ve 10 % konsantrasyonlarının ilk 72 saat içindeki repellent etkileri sırası ile % 92 ve % 100 olarak bulunmuştur. Çekirdek ekstraktının %10'luk konsatrasyonundaki ovisidal ve adultisidal etkileri ise sırası ile % 96.56 ve % 100 kadardır. Bununla birlikte, konsantrasyon tepki denemeleri çekirdek ekstraktının yumurta ve ergin dişi bireyler için LC50 ve LC90 değerlerinin sırası ile LC50=4.5 %, LC90=9.4 % ve LC50=2.9 %, LC90=9.1 %, olduğunu göstermiştir. Sonuçlar P. laurocerasus'un çekirdek ekstraktının T. urticae kontrolünde kullanılmak için iyi bir potansiyele sahip olduğunu işaret etmektedir. Fakat, ekstrakların T. urticae'nin doğal düşmanlarına etkilerinin belirlenmesi için çalışmaların devam etmesi gerekmektedir.

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Cite This Article

SOYSAL, M., AKYAZI, R., HASSAN, E. (2022). PrunuslaurocerasusL. (Rosaceae)ekstraktlarınınTetranychus urticaeKoch (Acari: Tetranychidae)'ye karşı toksik ve repellent etkileri. Türkiye Entomoloji Dergisi, Cilt: 39 - Sayı: 4, 367–380. https://ajindex.com/articles/628080

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