Paranagama, P.A.Jayaratne, K.H.T.Nugeliyadde, L.Abeywickrama, K.P.2014-11-192014-11-192002Paranagama,P. A., Abeysekera, K.H.T., Nugeliyadde, L. and Abeywickrama, K.P. (2002): Toxicity and repellency of essential oils from four medicinal plants against stored grain weevil, Sitophilus oryzae, Proceedings of International Rice Congress, Beijing, China, September 2002, 01, T2 188, 437.http://repository.kln.ac.lk/handle/123456789/3857Toxicity and repellency of essential oils from four medicinal plants against stored rice weevil Sitophilus oryzaeArticleChemistry