Weeraratne, W.A.P.G.2020-09-022020-09-021996-97Tropical Agriculturist, 151:p.25-33https://dl-doa.nsf.gov.lk/handle/1/2613Plant PathologyAllium cepa L.Plant diseasesLeaf twister diseaseFungiDisease controlEnvironmental factorsLeaf twister disease of onion (Allium cepa L.)Article