(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 2001) Jayawardana, J.M.C.K.; Edirisinghe, U.; Silva, L.P.; Nandasena, K.G.
(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 2001) Sundarabarathy, T.V.; Edirisinghe, U.; Dematawewa, C.M.B.; Nandasena, K.G.
