Bayoud disease is an epiphytic fungal disease of date palm.
[1][2] The pathogen responsible for the disease is Fusarium oxysporum f.sp.
albedinis.
[3][4][5] The disease was first reported from Morocco in 1870.
The word "bayoud" is derived from the Arabic abiadh ("white"), and is a reference to the whitish discoloration of diseased fronds.