(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 2006) Kadawatha arachchige, L.N; Illeperuma, C.K.; Wewegama, L.B.; Gunawardhane, M.H.W.
(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 2006) Wellala, C.K.D,; Illeperuma, C.K.; Wewegama, R.M.M.L.B.; Gunawardhane, M.H.W.
