Edirimanna, E.R.S.P.Rajapakse, R.G.A.S.2022-02-092022-02-092003Annals of the Sri Lanka Department of Agriculture, 5:p.69-75https://dl-doa.nsf.gov.lk/handle/1/4202PLANT PROTECTIONDew formationOnionPurple blotchSeed yieldEffect of cultural practices on seed yield of big onion (Allium cepa L.)Article