EI-Bouze, M., Abdel Rahman, H., Kotab, G. (2002). RESIDUE BEHAVIOR OF THE TWO HERBICIDES, CINMETHYLIN AND ANILOFOS IN WATER AND FISH Oreochromis niloticus. Journal of Plant Protection and Pathology, 27(11), 7789-7799. doi: 10.21608/jppp.2002.256027
M. F. R EI-Bouze; Hala R. Abdel Rahman; Gamila A.M. Kotab. "RESIDUE BEHAVIOR OF THE TWO HERBICIDES, CINMETHYLIN AND ANILOFOS IN WATER AND FISH Oreochromis niloticus". Journal of Plant Protection and Pathology, 27, 11, 2002, 7789-7799. doi: 10.21608/jppp.2002.256027
EI-Bouze, M., Abdel Rahman, H., Kotab, G. (2002). 'RESIDUE BEHAVIOR OF THE TWO HERBICIDES, CINMETHYLIN AND ANILOFOS IN WATER AND FISH Oreochromis niloticus', Journal of Plant Protection and Pathology, 27(11), pp. 7789-7799. doi: 10.21608/jppp.2002.256027
EI-Bouze, M., Abdel Rahman, H., Kotab, G. RESIDUE BEHAVIOR OF THE TWO HERBICIDES, CINMETHYLIN AND ANILOFOS IN WATER AND FISH Oreochromis niloticus. Journal of Plant Protection and Pathology, 2002; 27(11): 7789-7799. doi: 10.21608/jppp.2002.256027
RESIDUE BEHAVIOR OF THE TWO HERBICIDES, CINMETHYLIN AND ANILOFOS IN WATER AND FISH Oreochromis niloticus
1Pesticides Analysis Res. Division, Central Agric. Pesticide Lab. Agric. Res. Center, Dokki, Giza, Egypt
2Department of Economic Entomology and P~sticldes, Faculty of Agric., Cairo Unlv., Egypt
3Mammalian Toxic. Department, Central Agric. Pesticide lab. Agric., Res. Center, DokkJ, Giza, Egypt
Abstract
The present investigation was carried out to evaluate the residual behavior of sublethal concentralions of two herbicides. cinmethylin (0.74 and 1.47 ppm) and anilofos (0.98 and 1.96 ppm) on the Nile fish Oroochromis niloticus for 28 days and left for 28 days after withdrawal both herbicides as depuration period. Uptake and accumulation of the tested herbicides are of major concem for monitoring their residues in tissues of treated fish and water as well. Determination of cinmethylin and anilotos residues in fish tissues was mainly done as it is important point for human consumption. Cinmethylin and anilotos residues in water were gradually decreased throughout the experimental course. The percentage losses of cinmethylin residues at the end of depuration period reached 94.8% and 98.4% at 0.74 and 1.47 ppm. respectively. The residues level was undetected in fillet (meat) during the exposure period except at 28 days of treatment. A complete recovery of the fillet residues was obtained in fish at the depuration period for the two tested concentrations. While in brain. these residues were detected 3 days after treatment followed by gradually decrease until it reached 1.78 and 3.98 ppm at the two concentrations at the end of depuration period, respectively. Anilotos showed distinguish fast degradation in water compared with cinmethylin. Anitofos had residues of 0.96 and 1.93 ppm one hour after treatment using 0.98 and 1.96 ppm, respectively. After 28 days, anilofos residues reached 0.06 and 0.046 ppm for the same concentration, respectively. No detectable r~sidues of anilofos were found in water during the depuration period. In fish brain and fillet, anilofos residues gradually increased through O-time to 7 days for the two tested concentrations. respectively. Then, the residues decreased during the remaining period. Anilofos accumulation' in fish showed that the amounts uptaked by fish were greater than 100% in both brain and fillet for both concentrations. These values obviously declined and reached 80.63% and 16.43% loss in fillet and 15.52% and 69.61% loss in brain 28 days after treatment when 0.98 and 1.96 ppm of anilofos were used. Anilofos residues showed the same trend ot cinmelhylin in fish fillet and brain during the depuration period.
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