10Oct 2017

MOSQUITO LARVICIDAL AND CYTOTOXIC STUDIES ON ANNONA RETICULATA L.

  • Bishop Moore College, Mavelikara 690 110.
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Mosquitoes transmit serious human diseases, causing millions of deaths every year. Natural products of plant origin with insecticidal properties have been used in recent years for control of a variety of pest insects and vectors. This study was based on assessment of mosquito larvicidal activity to determine the efficacy of acetone, chloroform and methanol extracts of leaves, bark, fruits and seeds of Annona reticulata L. These extracts were tested against fourth instar larvae of Aedes aegypti, causing Dengue fever. Seven concentrations (500, 250, 125, 62.5, 31.25, 15.63 and 7 mg/l) of various extracts of plant parts were tested against the larvae. The larval mortality was recorded for 24hr. Cytotoxic activity of A. reticulata was also studied. The chromosomal abnormalities observed were of both clastogenic and non-clastogenic types. The study reveals that the leaves, bark, fruits and seeds extracts of A. reticulata possess both cytotoxic and larvicidal activities. The use of natural products that reduces mosquito populations at the larval stage can be used to vector control. In addition to addressing the needs for treatment of water near human habitation, natural products can be utilized as mosquito insecticides, which may promote localized control of persistent vector borne diseases. The study suggests the promising potential of A. reticulata L. as an alternative source of a sustainable, biodegradable and environment friendly solution for the control of dengue vector, A. aegypti.


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[Soumya S. R., Asha Ramachandran, Dinesh Raj R. and Sivaprasad A. (2017); MOSQUITO LARVICIDAL AND CYTOTOXIC STUDIES ON ANNONA RETICULATA L. Int. J. of Adv. Res. 5 (Oct). 414-419] (ISSN 2320-5407). www.journalijar.com


Asha Ramachandran
Bishop Moore College, Mavelikara

DOI:


Article DOI: 10.21474/IJAR01/5545      
DOI URL: http://dx.doi.org/10.21474/IJAR01/5545