12 results
Search Results
Now showing 1 - 10 of 12
Item Evaluation of the natural formulations as toxicants:based on the defensive secretions of two hemipterans(1993) Gunawardena, N.E.; Herath, H.M.W.K.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.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 Item Ethyl alocohol:a major chemical attractant of red weevil (Rhynchophorus ferrugineus)(1986) Gunatilaka, R.; Gunawardena, N.E.Item E-11-hexadecenylacetate the female sex-pheromone of the brinjal shoot and pod borer, Leucinodes orbanalis(1988) Gunawardena, N.E.; Herath, H.M.W.K.B.; Attygale, A.B.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 Major volatiles of the defence secretion of Coridius janus(1987) Gunawardena, N.E.; Ranatunga, P.R.