نتایج جستجو برای: insecticide resistance
تعداد نتایج: 383953 فیلتر نتایج به سال:
Toxicological assays measuring mortality are routinely used to describe insecticide response, but sub-lethal exposures to insecticides can select for resistance and yield additional biological information describing the ways in which an insecticide impacts the insect. Here we present the Wiggle Index (WI), a high-throughput method to quantify insecticide response by measuring the reduction in m...
HOW TO CITE: Brooke BD, Robertson L, Kaiser ML, Raswiswi E, Munhenga G, Venter N, et al. Insecticide resistance in the malaria vector Anopheles arabiensis in Mamfene, KwaZulu-Natal. S Afr J Sci. 2015;111(11/12), Art. #2015-0261, 3 pages. http://dx.doi.org/10.17159/ sajs.2015/20150261 The control of malaria vector mosquitoes in South Africa’s affected provinces is primarily based on indoor spray...
The German cockroach is an important household insect pest mechanically involved in transmission of a variety of diseases to humans. Different classes of insecticides have extensively been used for its control leading to insecticide resistance development. Hence, for an optimal control of this pest, the status and underlying mechanisms of insecticide resistance should be studied in this group o...
Possibility of monitoring insecticide resistance in the diamondback moth by analyzing the insensitivity of cholinesterase (ChE) which is resistant to organophosphates and carbamates was investigated. Four kinds of ChE genotypes were found and inherited by incomplete dominance factors. Against propoxur and monocrotophos, each ChE genotype showed LD50 in proportion to the values of I50. Differenc...
The impact of insecticide resistance on insect-borne disease programs is difficult to quantify. The possibility of eliminating malaria in high-transmission settings is heavily dependent on effective vector control reducing disease transmission rates. Pyrethroids are the dominant insecticides used for malaria control, with few options for their replacement. Their failure will adversely affect ou...
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