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Comparative study on the larvicidal effect of leaf extracts of Carica papaya, Eucalyptus globulus and Peperomia pellucida on larvae of culicidae mosquitoes.


Harish Yadav  Amjikar ,
Naga Manikanteswara Reddy Kalluru,
Rajeev Reddy Kurli,
Varsha Marpu,
Yani Angel Mathangi,
Eswar Sai Mekala,
Tulasi Priyanka Pulicharla,
Karthik Puthalapattu,
Corazon V. Canapi

Related Institution

College of Arts and Sciences - Biology Department - Cebu Doctors' University

Publication Information

Publication Type
Thesis Degree
Publication Date
April 2014


This  is  an  experimental  study  which  is  aimed  to  determine  the  comparative  study  on  the  larvicidal  effect  of  leaf  extracts  of  Carica  papayaEucalyptus  globulous  and  Peperomia  pellucida  on  larvae  of  Culicidae  mosquitoes.

This   study  included  a  total  of  three  plants  and  the  samples  of  their   leaf  extracts  were  collected  using   Soxhlet  apparatus.  The  extract  of  each  plant  was  poured  into  three  plastic  containers  in  equal  amounts  and  20  mosquito  larvae  for  each  sample  of  the  extract  were  placed  in  the  containers  and   were  observed  for  three  consecutive  hours.  The  percent  mortalities  of  mosquito  larvae  were  recorded  for  each  hour  and  the  difference  across  the leaf  extracts  were  determined  with  positive  and  negative  control  groups  i.e., Baygon  and  water respectively.

            The  crude  extracts  of  the  three  plants  were  taken  from  the  Soxhlet  apparatus and the percent mortalities were noted for each leaf extract and also from  the positive control and  negative  control  for  every  1 hour.  Among  them,  Peperomia  pellucida  was  effective  with  the  Mean±SD  of  78.33±18.93  whereas  Carica  papaya  showed  the  Mean±SD   of  60±5  and  Eucalyptus  globulous  showed  the  value  of  Mean±SD as 70±13.23. The  percent  mortalities  of  the  larvae  among  the  treatment  groups  across  three  hours  for  the  positive control method  using  Baygon  is  100  and  for  water, the  negative  control  method  is  0. It  is  recommended  that  the  effectiveness  of  certain  leaf  extracts  in  reducing  the  larvicidal  effect  on  mosquito  larvae  to  be  studied  by  the  future  researchers   and  to  conduct  a  comparative  study  among  other  families  in  the  order Diptera.


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Cebu Doctors U1 C738am 2015 Fulltext Print Format

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