نتایج جستجو برای: lethal effect

تعداد نتایج: 1678148  

Journal: :progress in biological sciences 2015
leila ghasemzadeh hamidreza mohajereani sima nasri alireza rostami

the purpose of this study was to examine the acute and sub-acute effects of diazinon onhistopathological parameters of liver tissue and blood level of hepatic enzymes of male commonfrog (rana ridibunda). frogs were assigned to 9 groups (n=8, meaning 8 frogs in each group):control and treatment groups with 30, 60, 90 and 120 μg/l diazinon in water for one day or oneweek. hepatic enzymes containi...

ژورنال: بوم شناسی آبزیان 2015
Asadi, Mohammad , Johari, Seyed Ali , Mazarei, Sajedeh , Sajjadi, Mir Masoud , Sourinejad, Iman ,

Rising trend of production and use of nanoparticles can lead to the possibility of their release into aquatic environments. Therefore, knowing toxic effects of these materials on aquatic organisms is of great importance. The objective of this research was to study the acute toxicity of colloidal silver nanoparticles (CAgNPs) through determining the lethal concentrations in the euryhaline teleos...

Journal: :journal of crop protection 2013
hooshang rafiee-dastjerdi zeinab mashhadi aziz sheikhi garjan

the potato tuber moth (ptm), phthorimaea operculella (zeller) is one of the important pests of potato in tropical regions. in this research, the toxicity of two insecticides, abamectin and deltamethrin on p. operculella was studied at 26 ± 1 c°, 65 ± 5% rh and photoperiod of 16:8 h (l: d). the concentrations were determined by preliminary dose setting experiments. distilled water was used as co...

Journal: :international journal of environmental research 0

diazinon is commonly used for pest control in the agricultural fields surrounding freshwater reservoirs. this study was conducted to determine the chronic toxicity of organophosphorous pesticide and its effects on some hematological parameters and biochemical blood plasma profiles of common carp, cyprinus carpio. diazinon was applied at concentrations of 60 and 120î¼g/l preparations in 10, 20 a...

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