Molluscicidal and Synergicidal Activities of the Leaves of Four Niger Delta Mangrove Plants Against Schistosomiasis Vectors
محل انتشار: فصلنامه روشهای تصفیه محیط، دوره: 3، شماره: 1
سال انتشار: 1394
نوع سند: مقاله ژورنالی
زبان: انگلیسی
مشاهده: 369
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شناسه ملی سند علمی:
JR_JETT-3-1_010
تاریخ نمایه سازی: 15 شهریور 1395
چکیده مقاله:
Plant-derived pesticide have found several remedial application in the control of most diseases (especially vector-borne diseases). Synthetic pesticides are unaffordable in most disease endemic areas; besides they may induce varying toxicity to nontargetedspecies as they bio-magnify along the food-chain. The fecundity of vector/parasites in the Niger Delta is becoming hyper-endemic due to the water-logged nature of the terrain. The molluscicidal activities of crude and methanolic extracts of the leaves of four Niger Delta Mangrove plants (Rhizophora mangle, R. racemosa, Avicennia germinans and Languncularia racemosa), were investigated against some vectors of schistosomiasis (Biomphalaria pfeifferi, Bulinus globosus and Bulinus rholfsi), following standard protocol. Compared to the individual activities demonstrated by the four plants, the highest mortality was recorded in the methanolic-synergicidal formula (1:1:1:1), of the four plants against B. pfeifferi (LC50=74.84ppm), B.globosus (LC50=65.10ppm) and B. rholfsi (LC50=28.00ppm). Also, within the synergicidal results, B. pfeifferi was less susceptible to all extracts compared to B. globosus and B. rholfsi. These results indicate that Niger Delta Mangrove plants show great potential as molluscicide for the control of schistosomiasis.
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نویسندگان
Tariwari C.N Angaye
Ecotoxicology and Environmental Safety Research Unit, Department of Biological Sciences, Niger Delta University, Bayelsa State, Nigeria.
Sunday E. Bassey
Ecotoxicology and Environmental Safety Research Unit, Department of Biological Sciences, Niger Delta University, Bayelsa State, Nigeria.
Elijah I. Ohimain
Ecotoxicology and Environmental Safety Research Unit, Department of Biological Sciences, Niger Delta University, Bayelsa State, Nigeria.
Sylvester C. Izah
Ecotoxicology and Environmental Safety Research Unit, Department of Biological Sciences, Niger Delta University, Bayelsa State, Nigeria.