2019
DOI: 10.20546/ijcmas.2019.808.089
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Acaricidal Activity of Crude Ethanolic Extract of Sphaeranthus indicus, its Fractions and Subfractions against Rhipicephalus (Boophilus) annulatus (Acari: Ixodidae)

Abstract: Plants constitute a rich source of bioactive compounds and its acaricidal effect is increasingly been investigated as a potential solution against acaricide resistance. In the present study, the in vitro efficacy of crude ethanolic extract of leaves of Sphaeranthus indicus, its fractions (hexane, chloroform, butanol and water) and subfractions of the active acaricidal fraction were evaluated against Rhipicephalus (Boophilus) annulatus using the adult immersion technique (AIT). The percentage of adult mortality… Show more

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Cited by 3 publications
(2 citation statements)
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“…judaica extract (the most potent candidate) (Figs 3 and 4 , Tables 6 and 7 ). A few studies have explained the effect of several plant secondary metabolites, such as thymol , carvacrol, 1,8-cineol, n-hexanal, nicotine, dibenzyl-disulfide, and dibenzyl-trisulfide [ 32 , 44 46 , 50 52 ]. These studies focused more on their effect against the tick larval stage than the adults.…”
Section: Discussionmentioning
confidence: 99%
“…judaica extract (the most potent candidate) (Figs 3 and 4 , Tables 6 and 7 ). A few studies have explained the effect of several plant secondary metabolites, such as thymol , carvacrol, 1,8-cineol, n-hexanal, nicotine, dibenzyl-disulfide, and dibenzyl-trisulfide [ 32 , 44 46 , 50 52 ]. These studies focused more on their effect against the tick larval stage than the adults.…”
Section: Discussionmentioning
confidence: 99%
“…The role of secondary metabolites of plants such as phenols, flavonoids, terpenoids, alkaloids, essential oils, quinones, tannins, saponins and sterols in eliciting defense against pests is well known. The extracts of many plants with promising acaricidal properties were reported from our laboratory too [ 8 , 9 , 10 , 11 , 12 , 13 , 14 , 15 , 16 , 17 , 18 ]. In addition to their direct acaricidal activity due to neurotoxicity, many herbal extracts produced accelerated degeneration of salivary glandular tissue and changes in the morphophysiology of reproductive organs in ticks [ 19 , 20 ].…”
Section: Introductionmentioning
confidence: 99%