13. Discussion
• There is significant increase in mortality from low
to high dose of chemical compound.
• S. oryzae, R. dominica, T. castaneum shows high
mortality when exposed to biogass in PVC bins
(Bennett, 2003).
• Azadirachtin exhibited good efficiency against
Musca nobulo L, Culex fatigans, Tribolium
castaneum (Paul et, al.1963).
• PN101, LC50=1.5515+0.9982, PN104,
LC50=1.3357+0.7354, PN105,LC50=1.5134+0.8954,
PN106, LC50=1.5885+0.9567.
14. References
• Bennett S. (2003). Stored Product insects,
available on: www.thepiedpiper.co.uk/th7.htm.
(Accessed 22march 2012)
• Finney D.(1971). Probit analysis Cambridge
University press, London.
• Paul, C.F, R.S.Dixit and P.N. Agarwal. (1963).
Evaluation of the insecticidal properties of the
seed oil and leaf extract of the common Indian
neem, Azadirachta indica L. Sci. Cult. 29:412-413