Padma Singh* and Pallavi
Fungi usually require Thiamine (B1), Riboflavin (B2), Pyridoxine(B6), Biotin, Nicotinic acid, Panthothenic acid, Folic acid, P-aminobenzoic acid, Inesitol and Cyanocobalmin (B12). For the formation of reproductive structures usually require higher concentration of vitamins than that needed for vegetative growth. In view of this concept the induction of sporulation in Alternaria porri(Ellis) Cif causing purple blotch in onion was examined. Keywords- Fungal nutrition, vitamins, sporulation, Alternaria porri, . Allium cepa