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首页> 外文期刊>Journal of ecotoxicology & environmental monitoring >EFFECT OF ENDOSULFAN 35 EC ON SOIL MICRO ARTHROPODS
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EFFECT OF ENDOSULFAN 35 EC ON SOIL MICRO ARTHROPODS

机译：Endosulfan 35 EC对土壤微节肢动物的影响

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摘要

Laboratory and field experiments were conducted to evaluate the direct and residual toxicity of EndosuJfan 35EC on ecologically important soil micro arthropod fauna. In the case of Cyphoderms javanus (Insecta: Coliemola: Entomobryidae) LD50 value of Endosulfan was 1.65 kg. ai/ha as against the highest recommended agricultural dose of 2.06 kg. ai/ha. The density of total micro arthropods. Collembola and C. javanus decreased significantly in the recommended agricultural dose(2.06 kg. ai/ha) treated soil of lady's finger crop ( Abelmoschus esculentus ) till 42 days. On the othcrhand. the lower dose ie LD_(50) dose (1.65 kg. ai/ha) of endosulfan could adversely affect the density of microarthropods in toto only up to 21 days and that of Colemboia and C. Javanus upto 35 days. The LD50 dose of the insecticide could reduce the incidance of Erias fabia ,a serious fruit and shoot borer pest of Abelmoschus esculentus to a safe level. The yield of crop was more or less similar in the plot treated with sub agricultural dose of Endosulfan and the plot treated with recommended agricultural dose of endosulfan.
机译：进行了实验室和现场实验，以评估EndosuJfan 35EC对具有生态重要性的土壤微节肢动物动物群的直接和残留毒性。在爪哇亚种（Cyphoderms javanus）的情况下，硫丹的LD50值为1.65 kg。 ai / ha与建议的最高农业剂量2.06 kg相比。艾/公顷。总微节肢动物的密度。 Collembola和C. javanus在推荐的农业剂量（2.06 kg。ai / ha）处理过的手指农作物（Abelmoschus esculentus）上显着降低，直至42天。在其他地方。较低剂量的硫丹，即LD_（50）剂量（1.65 kg。ai / ha）可能对微节肢动物的密度造成不利影响，最长达21天，而对Colemboia和C. Javanus的影响长达35天。 LD50剂量的杀虫剂可以将严重的水果和枝bore虫（Ebels fabia）的发病率降低到安全水平。在亚农业剂量的硫丹处理的地块和建议农业剂量的硫丹处理的地块，农作物的产量或多或少相似。

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