Effect of Carica papaya, Helianthus annus and Bougainvillea glabra aqueous extracts against termite, Heterotermes indicola (Isoptera: Rhinotermitidae)
Effect of Carica papaya, Helianthus annus and Bougainvillea glabra aqueous extracts against termite, Heterotermes indicola (Isoptera: Rhinotermitidae)
Ayesha Aihetasham1*, Khalid Zamir Rasib2, Syeda Rida Hasan1, Imran Bodlah3
ABSTRACT
The present study involves the entomocidal efficacy of different concentrations of aqueous leaf extracts of three medicinal plants viz., Carica papaya (paw paw), Helianthus annus (Sunflower) and Bougainvillea glabra (Paper flower) against Heterotermes indicola. The leaf extract of C. papaya caused highest mortality i.e. 100% of 10%, 5% and 3% concentration. Bougainvillea glabra and H. annus caused 100% mortality at 10% and 5% concentration while 96.4% mortality on 3% concentration after exposure period of 10 hours. B. glabra extracts also caused 100% mortality on 10% and 5% concentration while 96.4% mortality on 3% concentration. C. papaya showed the minimum LT50 of 3.03, 3.8 and 4.86 hours at 10, 5 and 3% concentrations respectively. LT50 of B. glabra was 3.58, 4.17 and 5.07 hours at 10, 5 and 3% concentrations respectively whereas, H. Annus showed LT50 of 3.8, 4.75 and 6.55 hours at 10, 5and 3% concentrations respectively. It can be concluded from the present findings that the tested plant extracts can be used for the management of H. indicola.
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