the growth phase study for virulent isolate of C.musae (C12) was carried out. the results revealed that the mycelial growth of C.musae started to increase from second day after inoculation and reached the maximum at 13th day (1190.28 mg) and started decreasing from 14th day (978.00 mg) onwards and the least growth of 691.30 mg was noticed on 16th day after inoculation