Sarathchandra, S.R.; Bandara, R.M.U.S.; Senarath, S.A.T.P.; Bandaranayake, M.A.B.R.P.; Madhuvanthi, A.G.N.H.; Perera, P.G.K.; Bandara, W.M.H.R.S.S.; Dissanayake, D.M.O.K.B.; Rajapaksha, R.M.C.Y.
(Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2020-01-22)
Brown Planthopper (BPH), Nilaparvata lugens causes adverse effect to rice production in Sri Lanka. Over the last three decades, the area affected and damaged by BPH fluctuated respectively from 0.01% to 5% and from 0.01% ...