Kumari, K.P.A.P.Sarathchandra, S.R.2018-10-082018-10-082018Agrieast, 12(1):p.34-38https://dl.nsf.gov.lk/handle/1/23868Moderately resistantNilaparvata lugensResistantRice varietiesScreeningAssessment of improved rice varieties against the infestation of brown planthopper (Nilaparvata Lugens Stal) (Hemiptera: Delphacidae)Article