Insecticidal Potential of Aqueous extracts of Neem and Datura on Khapra beetle, Trogoderma granarium
The International Journal of Global Sciences (TIJOGS)
Aneeb Ali1, Mirza Aizaz Asim1*, Adeel Aslam1, Muhammad Ishtiaq Sarwar1, Muhammad Zia-ul-Haq1, Mubashir Tariq1, Faisal Mushtaq2 and Muhammad Umair Gulzar1
Corresponding author: email@example.com
|Sep 03,2018||Dec 19,2018||Dec 28,2018|
2018 / Vol: 1 / Issue: 1
Aqueous extracts of Datura and Neem were evaluated for their repellent and mortality effect against the Khapra Beetle (Trogoderma granarium). The different concentrations were used (1.5%, 3%, 6% and 9%) for the time period of 24, 48, 72 and 96 hours. After 24 hours the results showed that the highest mortality 23.33% caused by Neem at concentration of 9% and minimum 4.13% at 1.5% concentration. while the maximum mortality caused by datura was 16.67% and minimum 3.33% at concentration 9% and 1.5% respectively. After 48 hours, maximum mortality 36.67% was recorded at highest concentration (9%) of Neem and it was statistically different from 10.13% mortality caused at 1.5% concentration of Neem. Maximum mortality 23.33% was recorded at 9% concentration and minimum 6.67% at 1.5% concentration of aqueous extract of datura. After 90 hours, after 96 hours, highest mortality caused by maximum concentration 9% of Neem was recorded 69.67% and minimum 30.00% at 1.5% concentration while by Datura maximum mortality recorded was 51.7% and minimum 22.67% at concentrations 9%and 1.5% respectively. The maximum repellency percentage was 86.66% achieved in plant extract of Azadirachta indica while minimum repellency was 18.00%. From all these results it was concluded that plant extracts of Neem are more effective as their repellent and toxicant action against Trogoderma granarium.
Key words: Trogoderma granarium, Plant extracts, Repellent, Toxicity
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