Rapeseed-mustard (Brassica juncea L) is an economically prodigious and utile oilseed crop of the world. Potato dextrose agar media was significantly superior over other tested media at 5 and 7 days after inoculation. However it was at par with mustard leaf dextrose agar at 3 days after inoculation and significantly superior over the rest culture media. The maximum mycelia growth on seven days after inoculation was recorded in Potato dextrose agar medium (90.00mm) followed by Mustard leaf dextrose agar (70.00 mm), Potato leaf dextrose agar medium (68.33 mm), Cauliflower dextrose agar medium (60.16 mm), Czapex dextrose agar medium (60.00 mm), Malt dextrose agar medium (58.33 mm), Tomato leaf dextrose agar media (51.66 mm), Marigold leaf dextrose agar medium (50.16),Pea grain dextrose agar medium (48.33 mm), Cauliflower dextrose agar medium (43.66 mm), Malt apple dextrose agar medium (43.33 mm), Radish potato dextrose agar medium (40.00 mm), water agar medium (36.83 mm) and Carrot potato dextrose agar medium (28.33). While minimum growth was recorded in Pea husk dextrose agar medium (20.36 mm).

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