Biological effects of pyrimethinal on aquatic worms (Tubifex tubifex) under laboratory conditions
Other Title(s)
التأثيرات البيولوجية للمبيد الفطريبيرميثينال على ديدان المياع العذبة Tubifex tubifex معمليا
Joint Authors
Muslih, Yahya Yusuf
al-Esnawy, Badriyah A.
Biagiant Risbourg, Sylvie
Source
Journal of Pest Control and Environmental Sciences
Issue
Vol. 16, Issue 1-2 (31 Dec. 2008), pp.97-110, 14 p.
Publisher
Egyptian Society of Pest Control and Environmental Protection
Publication Date
2008-12-31
Country of Publication
Egypt
No. of Pages
14
Main Subjects
Topics
Abstract AR
اجريت تجربة معملية لتقدير متبقيات المبيد الفطري بيريميثينال داخل المياه و ديدان المياه العذبة و اوضحت المتحصل عليها ان تركيز المبيد الفطري يقل ببط داخل المياه في حين يحدث تراكم للمبيد داخل الديدان بعد 4 ايام و يحدث له تكسير بعد ذلك .
وتم ايضا تقدير التركيز اللازم لقتل 50 % من الديدان و كانت بين 39.5 و 49.2 ملى جرام / لتر.
و تم تقدير قاعلية الكتلاز و لوحظ زيادة الكتلاز عند اضافة المبيد الى المياه بعد 2 يوم من المعامله .
و تم تقدير اوكسيديف استريز و لوحظ ان جاستي يقل ايضا نتيجة وجود المبيد داخل البيئة (المياه).
Abstract EN
Laboratory studies were conducted to determine the effects of different concentrations of pyrimethinal (5, 10, 15, 20 and 25 mg / l) on protein content, and some oxidative stress parameters in an aquatic worm, tubbier tubbier after 2, 4, and 7 days of exposure.
In addition, residues of the fungicide were quantified in water and in the worms.
In water, pyrimethinal concentration decreased slowly (maximum – 6.4 ± 0.8 % after 2 days for 25 mg / l).
In the worms, it increased after 4 days and decreased thereafter, confirming that the worms were exposed to the fungicide and not to a degradation product.
LC50 values of pyrimethinal were between 49.2 ± 0.58 and 39.5 ± 0.95 mg / l depending on exposure time.
All the measured parameters appeared to be more sensitive than mortality.
The activity of catalase (CAT) increased in response to the fungicide after 2 days of exposure to 25 mg / l of pyrimethinal (+84.95 %), demonstrating an oxidative stress in the worms.
In contrast GST activity decreased, this decrease was significant for all fungicide concentrations after two days.
The highest DECREASE of GST activity (- 29.7 %) was found after 7 days in the presence of 25 mg / l of pyrimethinal.
American Psychological Association (APA)
Muslih, Yahya Yusuf& al-Esnawy, Badriyah A.& Biagiant Risbourg, Sylvie. 2008. Biological effects of pyrimethinal on aquatic worms (Tubifex tubifex) under laboratory conditions. Journal of Pest Control and Environmental Sciences،Vol. 16, no. 1-2, pp.97-110.
https://search.emarefa.net/detail/BIM-28480
Modern Language Association (MLA)
Muslih, Yahya Yusuf…[et al.]. Biological effects of pyrimethinal on aquatic worms (Tubifex tubifex) under laboratory conditions. Journal of Pest Control and Environmental Sciences No. 1.2 (2008), pp.97-110.
https://search.emarefa.net/detail/BIM-28480
American Medical Association (AMA)
Muslih, Yahya Yusuf& al-Esnawy, Badriyah A.& Biagiant Risbourg, Sylvie. Biological effects of pyrimethinal on aquatic worms (Tubifex tubifex) under laboratory conditions. Journal of Pest Control and Environmental Sciences. 2008. Vol. 16, no. 1-2, pp.97-110.
https://search.emarefa.net/detail/BIM-28480
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references : p. 106-109
Record ID
BIM-28480