Evaluation of coconut germplasm in Weligama and Matara area of the Southern Province of Sri Lanka for resistance to Weligama coconut leaf wilt disease
S. A. C. N. Perera,
H. M. N. B. Herath,
H. T. R. Wijesekera,
W. G. R. Subhathma,
W. A. T. L. Weerakkody