Journals
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Item Behavioural and electrophysiological responses of the coconut pest, Rhynchophorus ferrugineus (Coleoptera: Curculionidae) to host, nonhost and alternate host plant volatiles(Natural Resources Energy Science Authority:Colombo, 1995) Gunawardena, N.E.; Swarnakanthi, M.N.A.Item Enhancement of the activity of ferrugineol by N-pentanol in an attractant baited trap for the coconut pest, Rhynchophorus ferrugineus F. (Coleoptera: Curculionidae)(Natural Resources Energy Science Authority:Colombo, 1995) Gunawardena, N.E.; Herath, H.M.W.K.B.Item Aspects of the biology of Diaphania indica (Lepidoptera:Pyralidae)(NSF:Colombo, 1997) Ganehiarachchi, G.A.S.M.Item Laboratory investigations on the repellent and narcotic properties of steam distillates of local plant extracts to Sitotroga cerealella(Olivier)(National Sience CouncilpColombo:, 1981) Krishnarajah, S.R.; Ganesalingam, V.K.Item The distribution of the paddy nematode, Hirschmanniella oryzae in Sri Lanka(National Sceince Council :Colombo, 1990) Ekanayake, H.M.R.K.; Ekanayake, U.B.Item Seasonal changes in the chemical composition of the defensive secretion of the rice pest LEPTOCORISA ORATORIUS (Hemiptera:Coreidae)(Natural Resources Energy Science Authority:Colombo, 1994) Gunawardena, N.E.Item Item New outlook on the pest management of tea(NSC:Colombo, 1973) Calnaido, D.Item The sex pheromone of the brinjal pest, Leucinodes orbonalis guenee (Lepidoptera):problems and perspectives(Natural Resources Energy and Science Authority of Sri Lanka:Colombo, 1989) Gunawardena, N.E.; Attygalle, A.B.Item 4-Methyl-5-Nonanol (Ferrugineol) as an aggregation pheromone of the coconut pest, Rhynchophorus ferrugineus F. (Coleoptera: Curculionidae):synthesis and use in a preliminary field assay(Natural Resources Energy Science Authority:Colombo, 1995) Gunawardena, N.E.; Bandarage, U.K.