Manatunga, P.N.N.K.Karunaratne, M.M.S.C.2010-07-062010-07-062006Journal of the National Science Foundation of Sri Lanka, 34(4):p.211-213https://dl.nsf.gov.lk/handle/1/6504Brown planthopperNilaparvata lugensAzadirachta indicaAzadirachtinInsecticidal propertiesGrowth inhibitionInsect pestsAgriculturePest controlSystemic actionAntifeedantsBiological SciencesSystemic effects of neemazal-T/S on the rice brown planthopper, Nilaparvata lugens (Stal)Article