ISSN Print: 2381-1455  ISSN Online: 2381-1463
AASCIT Journal of Biology  
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Preliminary Study on Bioactivity of Anopheles Mosquito Exposed to Ocimum gratissimum Formulated Candles
AASCIT Journal of Biology
Vol.4 , No. 2, Publication Date: Feb. 27, 2018, Page: 21-24
824 Views Since February 27, 2018, 318 Downloads Since Feb. 27, 2018
 
 
Authors
 
[1]    

Badaki Jacqueline Azumi, Department of Biological Sciences, Federal University, Lokoja, Nigeria.

[2]    

Awulu Emmanuel Aduojo, Department of Biological Sciences, Federal University, Lokoja, Nigeria.

[3]    

Alade Olayinka Memunat, Department of Biological Sciences, Federal University, Lokoja, Nigeria.

 
Abstract
 

The mortality of Anopheles mosquito exposed to varying concentrations of crude and oil extracts of Ocimum gratissimum was assayed. Erratic, non-directional and loss of balance during flight and finally culminating in death was observed in both crude and oil extracts of the plant. The lethal concentrations of crude and oil extract were determined to be 5.9g/50g of wax and 0.000068g/50g of wax respectively. The crude and oil extract were found to be effective in the control of Anopheles mosquito with the oil extract been more toxic. The mortality rate of the oil and crude extract of Ocimum gratissimum were observed to be dose dependent. The results indicate that both extracts have a toxic effect on the larvae but the highest mortalities were recorded in the oil extract.


Keywords
 

Bioactivity, Candles, Ocimum gratissimum, Anopheles


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