comparative tests of five organophosphorous insecticides against lab-bred and wild caught larve of anopheles stephensi mysorens1s in southern iran
Authors
abstract
five organo-phosphorous compounds were tested against lab-bred and wild caught larvae of ano pliclcs stcphclisi nrysorcnsis at the kazeroun medical research station, southern iran, during may-june, 1974. this study showed that as the larvae grew their tolerance to the insecticides tested increased up to 5 times more than that of day-old larvae. when iate 3rd and early 4th instal' larvae of wild caught .•111. stcnhcnsi mysorcnsis were tested against organo-phosphorous compounds, the lc50's increased up to 2 times more than those of the same instal' larvae of lab-bred mosquitoes of this species.
similar resources
Susceptibility of Anopheles stephensi against five current chemical insecticides
Introduction: Malaria is still an important health problem in southern Iran. Anopheles stephensi is one of the most important vectors of malaria, especially in urban areas. Because of long time of chemical insecticides against vectors in endemic areas and their potential resistance to such chemicals, it is necessary that vectors continuously to be assessed against susceptibility level. We...
full textcomparative toxicities of four who-recommended larvicides against lab strain of anopheles stephensi in iran
investigation on the current response of an.stephensi larvae to four who recommended larvicides, i.e. malathion, temephos, chlorpyrifos and fenitrothion, were carried out in the laboratory in 1999. diagnostic concentrations of pesticides only yielded 100% mortality with malathion. in contrast, levels of susceptibility to temphos, chlorpyrifos (0.025 mg/l) and temephos (0.625 mg/l) killed 72%, 9...
full textComparative performance of imagicides on Anopheles stephensi, main malaria vector in a malarious area, southern Iran.
BACKGROUND & OBJECTIVES Jiroft district has subtropical climate and prone to seasonal malaria transmission with annual parasite index (API) 4.2 per 1000 in 2006. Anopheles stephensi Liston is a dominant malaria vector. The monitoring of insecticide susceptibility and irritability was conducted using discriminative dose as described by WHO. METHODS The IV instar larvae were collected from diff...
full textrole of cultural iran in promotion of multilaieralism in central asia and caucasus
cultural iran is a scope that is more extended than the political territories of iran as a political unit. this concept means that cultural geography(mehdi moghanlo-1383-1) of iran is greater than its political geography which, according to history, has a long history extending west-east from kandahar to the euphrates and north-south from the persian gulf to the caucasus including transoxiana a...
15 صفحه اولthe washback effect of discretepoint vs. integrative tests on the retention of content in knowledge tests
در این پایان نامه تاثیر دو نوع تست جزیی نگر و کلی نگر بر به یادسپاری محتوا ارزیابی شده که نتایج نشان دهندهکارایی تستهای کلی نگر بیشتر از سایر آزمونها است
15 صفحه اولMy Resources
Save resource for easier access later
Journal title:
iranian journal of public healthجلد ۳، شماره ۴، صفحات ۱۹۷-۲۰۱
Hosted on Doprax cloud platform doprax.com
copyright © 2015-2023