Wasala, S.K.; Ubeysekara, N.M.; Gunasekara, P.S.; Wickramasooriya, N.K.; Senavirathne, S.I.; Karunarathne, S.P.; Senavirathne, C.M.; Silva, L.C.; Senanayake, D.M.J.B.; Illangakoon, T.K.; Somarathna, N.P.; Abeynayake, N.R.
(Department of Agriculture:Peradeniya, 2015)