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首頁> 美國衛(wèi)生研究院文獻>ISRN Toxicology >Toxicity Assessment of Expired Pesticides to Green AlgaePseudokirchneriella subcapitata
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Toxicity Assessment of Expired Pesticides to Green AlgaePseudokirchneriella subcapitata

機譯：過期農(nóng)藥對綠藻的毒性評估假單胞假單胞菌

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In order to investigate the effect of expired pesticides on the yield and growth rate of green algae Pseudokirchneriella subcapitata, a study was conducted as per the Organisation for Economic Cooperation and Development (OECD) guideline number 201. Fifteen expired pesticide formulations, most commonly used in Indian agriculture, were tested in comparison with their unexpired counterparts. The expired pesticide formulations studied belonged to various class and functional groups: organophosphate, pyrethroid-based insecticides; azole-based fungicides; acetamide, propionate, acetic acid-based herbicides; fungicides mixtures containing two actives—azole and dithiocarbamate. The toxicity endpoints of yield (EyC50: 0–72 h) and growth rate (ErC50: 0–72 h) of Pseudokirchneriella subcapitata for each pesticide formulation (both expired and unexpired pesticides) were determined statistically using TOXSTAT 3.5 version software. The results pointed out that some expired pesticide formulations exhibited higher toxicity to tested algal species, as compared to the corresponding unexpired pesticides. These data thus stress the need for greater care to dispose expired pesticides to water bodies, to avoid the effects on aquatic ecospecies tested.
機譯：為了研究過期農(nóng)藥對次藻類綠藻產(chǎn)量和生長速率的影響，根據(jù)經(jīng)濟合作與發(fā)展組織（OECD）準則201號進行了一項研究。有15種過期農(nóng)藥配方，最常用于印度農(nóng)業(yè)與未過期的農(nóng)業(yè)進行了比較。研究的過期農(nóng)藥制劑屬于各種類別和功能類別：有機磷酸酯，擬除蟲菊酯類殺蟲劑；唑基殺菌劑；乙酰胺，丙酸酯，乙酸基除草劑；含有兩種活性物質(zhì)-唑和二硫代氨基甲酸酯的殺菌劑混合物。使用TOXSTAT 3.5版本軟件統(tǒng)計確定每種農(nóng)藥制劑（過期和未過期的農(nóng)藥）次生假單胞菌的產(chǎn)量（EyC50：0–72 h）和生長速率（ErC50：0–72 h）的毒性終點。結(jié)果指出，與相應(yīng)的未過期農(nóng)藥相比，一些過期農(nóng)藥制劑對受測藻類具有更高的毒性。因此，這些數(shù)據(jù)強調(diào)需要更加謹慎地將過期農(nóng)藥投放到水體上，以避免對測試的水生生態(tài)物種產(chǎn)生影響。

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