Gunaratna, L.N.R.; Deshappriya, N.; Jayaratne, D.L.
(Faculty of Graduate Studies, University of Kelaniya, 2015)
Big onion (Allium cepa L.) is one of the economically important spices grown in Sri Lanka.
Damping off disease caused by Fusarium sp. during nursery stage of growth poses a major
factor that affect the yield significantly. ...