Journal
INTERNATIONAL BIODETERIORATION & BIODEGRADATION
Volume 65, Issue 6, Pages 877-882Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.ibiod.2011.05.007
Keywords
Jatropha curcas; Pongamia pinnata; Phorbol esters; Karanjin; Termite
Funding
- NOVOD Board, Gurgaon, India
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The non-edible oil seeds of Jatropha curcas (physic nut) and Pongamia pinnata (karanja) contain some toxic components (phorbol esters in J. curcas and karanjin in P. pinnata), which may be used as bio-pesticides. In this study, the active components of J. curcas and P. pinnata oil were extracted and their efficacy against the termites Odontotermes obesus (Rambur), was tested. The phorbol ester fraction of J. curcas and karanjin of P. pinnata oil were found to be effective against termites. A mortality rate of 100% was achieved in 6 h with karanjin and in 12 h with phorbol ester fraction. The LC50 levels of karanjin and phorbol esters fractions were 0.038 and 0.071 g ml(-1), respectively, after 24 h at a 95% (0.05) confidence limit. (C) 2011 Elsevier Ltd. All rights reserved.
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