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Mosquito larvicidal, pupicidal and ovidical effects of the different extracts of the leaves of Peltophorum pterocarpum against Aedes aegypti and Culex quinquefasciatus
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Mosquito larvicidal, pupicidal and ovidical effects of the different extracts of the leaves of Peltophorum pterocarpum against Aedes aegypti and Culex quinquefasciatus
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Journal Article
Mosquito larvicidal, pupicidal and ovidical effects of the different extracts of the leaves of Peltophorum pterocarpum against Aedes aegypti and Culex quinquefasciatus
2023
Overview
Background
Mosquitoes are vectors for several diseases like dengue, chikingunea, malaria etc. The three important mosquito species in India are
Aedes aegypti
,
Culex quinquefasciatus
and
Anopheles stephensi
. Several plant extracts and phytoconstituents have been tested for antimosquito activity. In our present investigation, we have studied, the mosquito larvicidal, pupicidal and ovicidal activities of the successive n-hexane, chloroform and methanol extracts of leaves of
Peltophorum pterocarpum
(Fabaceae).
Results
The two mosquito species studied were
Ae. agypti
and
Cx. quinquefasiatus
. The larvicdial activity on both mosquitoes was in the order methanol > chloroform > n-hexne. The LC
50
values for these extracts were 111.77 and 158.93 ppm (methanol extract), 170.74 and 169.18 ppm (chloroform extract), 219.14 and 203.48 ppm (n-hexane) respectively for both mosquitoes. The pupicidal activity was in the order chloroform > methanol > n-hexne. The LC
50
values for these extracts were 226.01 and 204.041 ppm (chloroform extract), 235.40 and 239.50 ppm (methanol extract), 303.07 and 284.04 ppm (n-hexane,) respectively. The ovicidal activity of the extracts against both the mosquitoes studied was not appreciable.
Conclusion
The methanol extract revealed higher larvicidal activity, while the chloroform extract showed higher pupicidal activity for both the mosquitoes. Hence, the methanol and chloroform extracts of the leaves of the plant may be taken up for further studies. This is the first detailed report on the antimosquito activity of the successive extracts of the leaves
of Peltophorum perocarpum
against the two mosquito species
Ae. aegypti
and
Cx. quinquefasciatus
.
Publisher
Springer Berlin Heidelberg,Springer Nature B.V,SpringerOpen
