نتایج جستجو برای: larvicidal activities

تعداد نتایج: 378404  

2016
Sankar Narayan Sinha Karabi Biswas

Nerium oleander, commonly known as oleander, is an important medicinal plant in Indian folk medicine. It is one of the best pharmacognostic devices available in now-a-days. The modern as well as traditional uses make this plant much more valuable. Oleander is cultivated recently in pots and hence, large scale propagation of plant material for commercial use has great importance. This plant spec...

1998
N.S. Nagarajan C.N Manoj R. Priya Daniel Thilagavathy M. Sakthivadivel

A successful attempt of using sodium salt of a water- insoluble larvicide, as an alternative to the use of solutions of such larvicides in acetone and water, for the larvicidal studies is made, in the present study biochanin - A an isoflavone isolated from the flowers of Dalbergia sissoides (grah) when assessed for larvicidal study as its sodium salt on the fourth instar larvae of Culex quinque...

Journal: :The Southeast Asian journal of tropical medicine and public health 2005
Narumon Komalamisra Yuwadee Trongtokit Yupha Rongsriyam Chamnarn Apiwathnasorn

Ninety-six ethanolic extracts from various parts of 84 Thai plant species were tested for their larvicidal activity against Aedes aegypti mosquitoes. Extracts from Rhinacanthus nasutus, Derris elliptica, Trigonostemon reidioides, Homalomena aromatica, Stemona tuberosa and Acorus calamus possessed high larvicidal activity, with LC50 values between 16.0 and 48.2 mg/l. Petroleum ether (PE) and met...

Journal: :Separations 2023

Essential oils (EOs) have recently attracted more interest due to their insecticidal activities, low harmfulness, and rapid degradation in the environment. Therefore, Lavandula steochas (L. steochas) essential oil was assessed for its chemical constituents, vitro cytotoxicity, scolicidal, acaricidal, activities. Using spectrometry gas chromatography, components of L. EOs were detected. Addition...

Journal: :European review for medical and pharmacological sciences 2010
K Karunamoorthi K Ilango

Methanol leaf extracts of two Ethiopian traditional medicinal plants viz., Lomisar [vernacular name (local native language, Amharic); Cymbopogon citratus (DC) Stapf. (Poaceae)] and Bisana [vernacular name (local native language, Amharic); Croton macrostachyus Del. (Euphorbiaceae)] were screened for larvicidal activity against late third instar larvae of Anopheles arabiensis Patton, a potent mal...

Journal: :Journal of medical entomology 2010
Ryan T Larson Jeffrey M Lorch Julia W Pridgeon James J Becnel Gary G Clark Que Lan

alpha-Mangostin derived from mangosteen was identified as a mosquito sterol carrier protein-2 inhibitor via high throughput insecticide screening, alpha-Mangostin was tested for its larvicidal activity against third instar larvae of six mosquito species, and the median lethal concentration values range from 0.84 to 2.90 ppm. The residual larvicidal activity of alpha-mangostin was examined under...

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