نتایج جستجو برای: repellent

تعداد نتایج: 2853  

Journal: :iranian journal of public health 0
mr yaghoobi-ershadi aa akhavan e jahanifard h vatandoost gh amin l moosavi

zoonotic cutaneous leishmaniasis (zcl) is an increasing and important public health problem in iran. the use of repellents is recommended as one of the important means of personal protection against vectors of zcl. this paper reports the repellency effect of the plant myrtle, myrtus communis (myrtaceae), essential oil for protection against 3-7-day-old unfed females of the sandfly, phlebotomus ...

Journal: :حفاظت گیاهان 0
فتح اللهی فتح اللهی حبیب پور حبیب پور محرمی پور محرمی پور کچیلی کچیلی

abstract treating soil with insecticides is thought to be an effective method for termite control. speed of action and repellency of insecticides are important factors for discussing their barrier effects as soil-treatment termiticide. microcerotermes diversus (silvestri) is the most economically destructive termite in structures in ahwaz region, because the species feed on anything with cellul...

Journal: :Planta medica 2011
Adrian Martin Pohlit Norberto Peporine Lopes Renata Antonaci Gama Wanderli Pedro Tadei Valter Ferreira de Andrade Neto

Bites Bites of mosquitoes belonging to the genera Anopheles Meigen, Aedes Meigen, Culex L. and Haemagogus L. are a general nuisance and are responsible for the transmission of important tropical diseases such as malaria, hemorrhagic dengue and yellow fevers and filariasis (elephantiasis). Plants are traditional sources of mosquito repelling essential oils (EOs), glyceridic oils and repellent an...

2011
René Csuk Maria Gabriela Tamba Ralph Kluge

We synthesized a series of fluorinated compounds and tested them in an easy assay for their repellent activity against the ant Myrmica rubra. Depending on their chain length and pattern of fluorination these molecules are efficient repellents for this ant. Fluorinated compounds are stronger repellents than their unfluorinated analogs. 1,1,1-Trifluorotridecan-2-one (4) is an even better repellen...

Journal: :Jurnal Ilmiah Medicamento 2022

The Aedes aegypti mosquito is the main vector of dengue fever. Controlling spread mosquitoes by using plants an alternative that can be done to avoid toxicity chemical insecticides. One used in control tembelekan flower. This study aims determine effectiveness spray preparation Tembelekan flower extract (Lantana camara L.) as a repellent. design this was randomized group posttest only design. 1...

2009
Yiwei Du Ke Li Jianfei Zhang Daoguang Yang

By the experiment, the optimal technological conditions that the water and oil repellent finishing agent EX-910E is applied in polyester nonwovens were confirmed. The technological conditions include that EX-910E usage is 40g/l, the bridging agent F-2921E usage is 6g/l, the pre-curing condition is 100 × 2/3min, and the curing condition is 160 × 2.5 min. The results of the experiment indicated t...

Journal: :Jurnal Biologi Papua 2021

The increase of cloves and sed nutmeg productions effects in its waste into the environment. However, shell could be use as mosquito repellent. combination essential oil extracted from functions well repellent for mosquitos. This research aims to identified characteristics these two spices by analysing water, carbon aand ash concentrate. Therefore, we found that water level U1 was 1.4573, U2 1....

2012
Sunil Dhiman Bipul Rabha Pronobesh Chattopadhyay Vijay Veer Lokendra Singh

In the present study we have evaluated the repellent activity of mixture of Curcuma longa, Zanthoxylum limonella and Pogostemon heyneanus essential oils in 1:1:2 ratio at 5%, 10% and 20% concentration against blackflies in northeastern India. Initially the essential oil mixture tested here has been found effective against Aedes albopictus mosquitoes. The average protection recorded in 20% conce...

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