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Journal of Agricultural Science and Technology، جلد ۱۶، شماره ۱، صفحات ۱۰۵-۱۱۱
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عنوان انگلیسی Testing the Neem Biopesticide (Azadirachta indica A. Juss) for Acute Toxicity with Danio rerio and for Chronic Toxicity with Daphnia magna
چکیده انگلیسی مقاله Recently, some natural products have been used in the fields as alternative to synthetic compounds, to minimize the negative impacts to the environment. This study aimed to verify the effects of Neem-based bio-pesticide in causing acute toxicity for a fish and chronic toxicity for a microcrustacean. To this end, Danio rerio and Daphnia magna were exposed to various concentrations of a Neem-based oil formulation. In the first experiment, adults of D. rerio were exposed for 96 hours to different concentrations to determine the median lethal concentration (LC50-96h). For D. magna, first an acute toxicity test was performed to determine the median effective concentration (EC50-48h). Based on the EC50 established in the acute test, the concentrations for the 21-day chronic toxicity test were determined. Endpoints evaluated were reproduction (number of neonates produced) and size of D. magna.The median lethal concentration for the fish was 0.22 mL L-1, and the median effective concentration (EC50 - 48h) for D. magna was 0.17 mL L-1. In the chronic test, all concentrations affected reproduction and size of D. magna. The formulation tested may be hazardous to aquatic organisms.
کلیدواژه‌های انگلیسی مقاله Aquatic organisms,Insecticide,Natural products,Toxicology
نویسندگان مقاله لطفعلی maranho | l a
center for nuclear energy in agriculture, university of são paulo - cena usp, laboratory of aquatic toxicology, av. centenario, 303, são dimas, cep 13416-000, - piracicaba, sp, brazil.

رضوانی گیل کلایی botelho | r g
center for nuclear energy in agriculture, university of são paulo - cena usp, laboratory of aquatic toxicology, av. centenario, 303, são dimas, cep 13416-000, - piracicaba, sp, brazil.

m mitie inafuku | mitie inafuku
center for nuclear energy in agriculture, university of são paulo - cena usp, laboratory of aquatic toxicology, av. centenario, 303, são dimas, cep 13416-000, - piracicaba, sp, brazil.

l de a r nogueira | l de a r
center for nuclear energy in agriculture, university of são paulo - cena usp, laboratory of aquatic toxicology, av. centenario, 303, são dimas, cep 13416-000, - piracicaba, sp, brazil.

r alves de olinda | alves de olinda
estadual university of paraíba - uepb. campus i - center for science and technology, department of statistic. av das baraúnas, 351, cep 58101-001, bodocongó, campina grande, paraíba, brazil.

براتعلی inacio de sousa | b a inacio de sousa
center for nuclear energy in agriculture, university of são paulo - cena usp, laboratory of aquatic toxicology, av. centenario, 303, são dimas, cep 13416-000, - piracicaba, sp, brazil.

v l tornisielo | v l
center for nuclear energy in agriculture, university of são paulo - cena usp, laboratory of aquatic toxicology, av. centenario, 303, são dimas, cep 13416-000, - piracicaba, sp, brazil.

نشانی اینترنتی http://jast.modares.ac.ir/article_10303_77f5bc7f4c41c4f939ea1f2e3b380929.pdf
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