نتایج جستجو برای: larvicidal activities

تعداد نتایج: 378404  

Journal: :Indian journal of experimental biology 2004
Gauri Harve Vijayalaxmi Kamath

Larvicidal activity of acetone and petroleum ether extracts of four plants Murraya koenigii, Coriandrum sativum, Ferula asafoetida, Trigonella foenum graceum and synthetic larvicides Fenthion and Temephos used alone and in combination was carried out against A. aegypti larvae under laboratory conditions. Optimum values were found out by using different concentrations of each plant (ranged 25 pp...

Journal: :The Journal of Basic and Applied Zoology 2021

Abstract Background The use of plant-based formulations is an easy and economical method to control insect pests. objectives the present study were evaluate ovicidal larvicidal potential ethanolic leaf extracts four plants, Cyathocline purpurea , Blumea lacera Neanotis lancifolia montholonii their effects on gut histology Aedes aegypti (Diptera: Culicidae) larvae. We identified phytochemicals i...

M.M. Zarshenas Y. Amirazodi* Z. Abolhassanzadeh

Background and objectives: Phyllanthus emblica L. (Phyllanthaceae), commonly known as Indian gooseberry, is an endemic plant to the tropical and subtropical areas in china, India and Thailand. The plant is extensively used in Chinese, Ayurveda, and traditional Persian medicine (TPM). In addition, there are numerous reports on pharmacological and clinical activities of ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سیستان و بلوچستان - دانشکده ادبیات و علوم انسانی 1392

abstract the first purpose of this study was to investigate the effect of consciousness-raising (c-r) activities on learning grammatical structures (simple present tense in this case) by iranian guidance school efl learners. the second one was to investigate the effect of gender on learning the simple present tense through c-r activities and tasks. finally, this study aimed to investigate the ...

Journal: :Memorias do Instituto Oswaldo Cruz 2009
Barasa M Maniafu Lwande Wilber Isaiah O Ndiege Cornelius C Wanjala Teresa Ayuko Akenga

Three Plumbago spp have been tested for mosquito larvicidal activity. The crude extracts exhibiting the highest larvicidal activity against Anopheles gambiae were hexane (LC50 = 6.4 microg/mL) and chloroform (LC50 = 6.7 microg/mL) extracts from Plumbago zeylanica Linn, chloroform (LC50 = 6.7 ug/mL) extract from Plumbago stenophylla Bull and ethyl acetate (LC50 = 4.1 microg/mL) extract from Plum...

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