Journal of the National Science Foundation of Sri Lanka

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Effect of azadirachtin on growth and the activity of midgut enzymes of the cockroach periplaneta americana
(National Science Foundation:Colombo, 2001) Paranagama, P.A.; Kodikara, K.A.B.C.H.; Nishantha, H.M.I.; Mubarak, A.M.
A procedure for sterilising leaf explants collected from wild neem (Azadirachta indica) trees
(National Science Council:Colombo, 1999) Eeswara, J.P.; Allan, E.J.; Mordue, A.J.; Stuchbury, T.
Experiments conduted to find suitable sterilisation procedures for neem explants collected from trees growing in the wild showed that they could not be sterilised by the method for leaves collected from the trees reared in the laboratory (10perc. NaOCL for 10 min.) but required more rigorous sterilisation methods. Leaf explants collected from the trees growing in the wild could not be sterilised using different concentration of NaOCL[(10, 15, 20, 25)perc.] HgCl2,[(0.1, 0.5, 1)perc.] for different time intervals (5, 10, 15, 20, and 30 mins) but could be sterilised by combining HgCl2 and NaOCL (0.1perc. HgCl2 for 5 min followed by 10perc. NaOCL for 10 min). Leaf damage was observed when 70perc. ethanol was used as a pre-treatment
Effect of the mosquito larvicide, abate (temephos) on fingerlings of Oreochromis mossambicus (Peters)
(National Science Council:Colombo, 1992) Pathiratne, A.; Ranasinghe, J.M.
Insecticidal activity of some medicinal plants of Sri Lanka
(Natural Resources Energy Science Autority:Colombo, 1997) Hewage, C.M. and others
Cyperenoic acid and (-)-hardwickiic acid from the chloroform extract of the roots of Croton aromatics:isolation and insecticidal properties
(National Sceince Council:Colombo, 1990)
Toxicity of fenthion in lebaycid to thilapia, Oreochromis mossambicus (Peters):effects on survival, growth and brain acetylcholinesterase activity
(National Science Council:Colombio, 1999) Pathiratne, A.
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