Rathnayake, R.M.I.K; Ranasinghe, C; Kumara, A.D.N.T
(Faculty of Agriculture, Eastern University, Sri Lanka, 2024-03-06)
The cabbage leaf spot disease causes great destruction to cabbage cultivation in the up country wet zone in Nuwara Eliya District in Sri Lanka. The disease is controlled by chemical fungicides, which cause many negative ...