Journals / Turkish Journal of Zoology / 2002 / Cilt: 26 - Sayı: 4

Malathion (Organik fosforlu insektisit)' un Daphnia magna Straus, 1820 (Crustacea, Cladocera) üzerindeki toksik etkilerinin araştırılması

An investigation on the toxic effects of malathion (Organophosphate insecticide) on the Daphnia magna straus, 1820 (Crustacea, Cladocera)

Pages
349–355
Publication Date
2022-11-05
DOI
—
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AI Summary & Key Takeaways

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

The EC50 values were found by the probit method 24 h /48 h for technical malathion as 0.8 and 0.028 ppm., and for commercial malathion as 0.11 and 0.003 ppm respectively.

📌 3 Key Takeaways

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Objective & Hypothesis:The toxic effects of technical grade (95 %) malathion and commercial (25 %) malathion were investigated on young (£ 24 h old) Daphnia magna in static acute toxicity tests (24 and 48 h).
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Key Findings & Data:The culture of D. magna and toxicity tests were performed at 24 $pm$ 1 $circ$C with a photoperiod of 16 h light and 8 h dark.
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Conclusion & Impact:The EC50 values were found by the probit method 24 h /48 h for technical malathion as 0.8 and 0.028 ppm., and for commercial malathion as 0.11 and 0.003 ppm respectively.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Domain Parameters

Abstract

The toxic effects of technical grade (95 %) malathion and commercial (25 %) malathion were investigated on young (£ 24 h old) Daphnia magna in static acute toxicity tests (24 and 48 h). The culture of D. magna and toxicity tests were performed at 24 $pm$ 1 $circ$C with a photoperiod of 16 h light and 8 h dark. To obtain a healthy population, the fecundity of each female in their life cycle was also investigated. The immobilization of daphnids was considered for determination of the 24 h / 48 h effective concentration (50 %). The EC50 values were found by the probit method 24 h /48 h for technical malathion as 0.8 and 0.028 ppm., and for commercial malathion as 0.11 and 0.003 ppm respectively.

Özet

Bu çalışmada Daphnia magna yavrularında (£ 24 saatlik) teknik düzeydeki (%95) malathion ve ticari (%25) malathionun toksik etkileri statik, akut toksisite denemeleriyle (24 ve 48 saatlik) araştırılmıştır. D. magna kültürü ve toksisite denemeleri, 24±1¼C sıcaklık ve 16 saat ışık / 8 saat karanlık fotoperiyodunda düzenlenmiştir. Sağlıklı bir populasyon elde etmek için, her bir dişi ferdin hayatı boyunca meydana getirdiği yavruların sayısı da araştırılmıştır. 24 / 48 saat %50 etki konsantrasyonunun (EC50) saptanması için dafnidlerin hareket durumu dikkate alınmıştır. EC50 değerleri, istatistiksel olarak probit metodu ile 24 / 48 saat sırasıyla, teknik malathion için 0.8 ve 0.028 ppm., ticari malathion için 0.11 ve 0.003 ppm bulunmuştur.

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Cite This Article

AKYURTLAKLI, N., RASSOULZADEGAN, M. (2022). Malathion (Organik fosforlu insektisit)' un Daphnia magna Straus, 1820 (Crustacea, Cladocera) üzerindeki toksik etkilerinin araştırılması. Turkish Journal of Zoology, Cilt: 26 - Sayı: 4, 349–355. https://ajindex.com/articles/616627

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