Jayaratne, R.; Jayasinghe, C.K.; Wettasinghe, P.C.
(Rubber Research Institute. Agalawatta, 1997)
Rigidoporus lignosus, the causal agent of white root disease is the most destructive root pathogen of Hevea brasiliensis in Sri Lanka.presently 5-8% of the cultivated lands are affected with this deadly disease and are ...