ADULTICIDAL ACTIVITY OF ESSENTIAL OILS OF HARIDRA AND TULSI AGAINST AEDES AEGYPTI AND ANOPHELES MOSQUITOES

Akshu Sharma*, Manisha Dikshit and Ashwani Kumar

ABSTRACT

Plants of Haridra and Tulsi were collected from Palampur, H.P,were collected from Rishikul Haridwar. The Plants identification was done in the department of Dravyaguna, Rishikul Campus Haridwar. Essential oils of Curcuma longa (Haldi) rhizome paste and Ocimum sanctum (Tulsi) leaves were obtained by hydro-steam distillation by Clevenger extraction methods for 4-7 hour daily for several days. A total of 250 gm of the plant materials of each plant was extracted in which 0.2gm of Curcuma longa and 0.1gm of Ocimum sanctum were obtained, which yielded 1 gm of essential oil of Curcuma longa and 0.5 gm of essential oil of Ocimum sanctum after 5 times of extraction. Three replicates were carried out along with two controls. It was observed that at end of 24 hour recovery period percent mean corrected mortality of Ae. aegypti was 50% (range: 45-60%) . Results of adulticidal activity essential oil of Curcuma longa (Haldi) against Anopheles mosquitoes was observed that at end of 24 hour recovery period percent mean of Ae. eegypti was 70% (range: 65.0-75.0%) . Adulticidal activity of essential oil of Ocimum sanctum against female Aedes aegypti was 63.3% in the range of 60-70% .Result of adulticidal activity of essential oil of Ocimum sanctum against adult female Anopheles was 71.7%.

Keywords: Haridra, Tulsi, Adulticidal Activity, Aedes aegypti, Anopheles.