Paranagama, P.A.Abeysekera, K.H.T.Nugaliyadde, L.Abeywickrama, K.P.2010-07-062010-07-062004Journal of the National Science Foundation, 32(3 and 4):p.127-138https://dl.nsf.gov.lk/handle/1/6208Pest controlSitophilus oryzaeEssential oilsRiceStored grainsRepellent activityCymbopogon citratusCymbopogon nardusCinnamomum zeylanicumAlpinia calcarataChemical SciencesRepellency and toxicity of four essential oils to Sitophilus oryzae L. (Coleoptera:Curculionidae)Article