Journals / Tarım Bilimleri Dergisi / 2018 / Cilt: 24 - Sayı: 2

Effects of Ozone Treatment on the Degradation and Toxicity of Several Pesticides in Different Groups

Ozonlama İşleminin Farklı Gruplardaki Pestisitlerin Parçalanma ve Toksisitesi Üzerine Etkileri

Pages
245–255
Publication Date
2022-10-17
DOI
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AI Summary & Key Takeaways

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

In general, the use of buffer solutions has no significant effect on pesticide degradation compared to water as an ozonation medium.

📌 3 Key Takeaways

🎯
Objective & Hypothesis:The effects of ozone treatment on the degradation and toxicity of nine pesticides were determined with different chromatographic techniques, using bubbled ozone and distilled water and two different buffer solutions as test media.
📊
Key Findings & Data:The results revealed that thiacloprid and acetamiprid can only be degraded by ozonation to a limited extent (max 2.6%).
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Conclusion & Impact:In general, the use of buffer solutions has no significant effect on pesticide degradation compared to water as an ozonation medium.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Domain Parameters

Abstract

The effects of ozone treatment on the degradation and toxicity of nine pesticides were determined with different chromatographic techniques, using bubbled ozone and distilled water and two different buffer solutions as test media. The toxicity experiments were performed using Daphnia magna, a cladoceran fresh water flea. The results revealed that thiacloprid and acetamiprid can only be degraded by ozonation to a limited extent (max 2.6%). The other seven pesticides were successfully degraded by ozone. The degradation rates (%) were found to be 93, 99, 95, 99, 87, 98, and 85 for fenazaquin, lambda cyhalothrin, azoxystrobin, chlorpyrifos, spiromesifen, clothianidin and thiamethoxam, respectively, after 5 minutes of ozone treatment in distilled water. The ozone treatment yielded reduced toxicity in fenazaquin, lambda cyhalothrin, azoxystrobin, chlorpyrifos and spiromesifen. However, the degradation products of clothianidin and thiamethoxam were found to be more toxic than the pesticide itself. In general, the use of buffer solutions has no significant effect on pesticide degradation compared to water as an ozonation medium.

Özet

Ozonlama işleminin dokuz farklı pestisitin parçalanma ve toksisitesi üzerine etkileri farklı kromatografik tekniklerle incelenmiştir. Çalışmada ozon gazı baloncuk yöntemiyle su ve iki farklı tampon çözelti ortamında uygulanmıştır. Toksisite denemelerinde Cladocera takımında yer alan su piresi (Daphnia magna) kullanılmıştır. Bulgulara göre, ozonlama ile thiacloprid ve acetamiprid çok sınırlı bir şekilde (en çok % 2.6) parçalanabilirken diğer yedi pestisit çok iyi parçalanmıştır. Saf suda 5 dakikalık ozonlama uygulamasıyla fenazaquin, lambda cyhalothrin, azoxystrobin, chlorpyrifos, spiromesifen, clothianidin ve thiamethoxamın parçalanma oranları (%) sırasıyla 93, 99, 95, 99, 87, 98 ve 85 olarak bulunmuştur. Ozonlama işlemi fenazaquin, lambda cyhalothrin, azoxystrobin, chlorpyrifos ve spiromesifende toksisitenin azalmasını sağlarken clothianidin ve thiamethoxamın parçalanma ürünlerinin toksisitesi başlangıç bileşiğinden daha fazla bulunmuştur. Genel olarak tampon çözelti kullanımı pestisitlerin parçalanmasında suya göre önemli bir farklılık oluşturmamıştır.

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Cite This Article

ALTINDAĞ, A., ERGEN, Ş. F., AKSU, P., VELIOGLU, Y. S. (2022). Effects of Ozone Treatment on the Degradation and Toxicity of Several Pesticides in Different Groups. Tarım Bilimleri Dergisi, Cilt: 24 - Sayı: 2, 245–255. https://ajindex.com/articles/594886

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