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Role of organic amendments in reducing leaching of sulfosulfuron through wheat crop cultivated soil

Emerging Contaminants 2019年第1期5卷 4-8页

作者： varsha joshi Archana Suyal Anjana Srivastava Prakash Chandra Srivastava Department of Chemistry College of Basic Sciences and HumanitiesGovindBallabh Pant University of Agriculture and TechnologyPantnagarUS Nagar263145UttarakhandIndia Department of Soil Science College of AgricultureGovindBallabh Pant University of Agriculture and TechnologyPantnagarUS Nagar263145UttarakhandIndia

A field study with wheat crop was undertaken to examine the efficacy of two soil amendments,cereal straw and fresh cow dung slurry,in reducing leaching of sulfosulfuron to groundwater and its residue load in *** herbicide was extracted by the QuEChER’S method and quantified through high performance liquid *** amendments had no effect on the general properties of *** cereal straw and fresh cow dung reduced leaching of sulfosulfuron into groundwater but cereal straw was more effective,probably because its addition decreases soil pH,thereby causing faster hydrolysis of the *** harvest time,residues of the herbicide in grains,straw and soil were below recommended maximum residue limits(0.1mg kg-1)with both ***,both the amendments can be recommended for wheat cropping systems to control sulfosulfuron leaching to groundwater.

关键词： Groundwater Soil amendments Wheat crop Sulfosulfuron Leaching

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Hepatic endogenous defense potential of propolis after mercury intoxication

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Integrative Zoology 2008年第4期3卷 311-321页

作者： Monika BHADAURIA Sangeeta SHUKLA Ramesh MATHUR Om PAGRAWAL Sadhana SHRIVASTAVA Sonia JOHRI Deepmala joshi varsha SINGH Deepak MITTAL Satendra Kumar NIRALA Reproductive Biology and Toxicology Laboratory Insect Physiology and Biochemistry School of Studies in ZoologyJiwaji UniversityGwaliorIndia Boston College for Professional Studies GwaliorIndia

Exposure to mercuric chloride(HgCl2;5 mg kg–1 body weight;i.p.)induced oxidative stress in mice and substantially increased lipid peroxidation(LPO)and oxidized glutathione(GSSG)levels,decreased the level of reduced glu-tathione(GSH)and various antioxidant enzymes in liver and also increased the activities of liver marker enzymes in *** with propolis extract,a resinous wax-like beehive product(200 mg kg–1 orally,after mercury administration),for 3 days inhibited LPO and the formation of GSSG and increased the level of GSH in the *** of serum transaminases,alkaline phosphatase,lactate dehydrogenase and-glutamyl transpeptidase were significantly restored after propolis *** activities of antioxidant enzymes,that is,superoxide dismutase,catalase,glutathione-S-transferase and glucose-6-phosphate dehydrogenase,were also concomitantly restored towards normal levels after propolis *** observations clearly demonstrate that propolis treatment augments antioxidant defense against mercury-induced toxicity and provide evidence that propolis has therapeutic potential as a hepatoprotective agent.

关键词： antioxidant enzymes glutathione hepatoprotection mercuric chloride propolis.

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