Symptoms of Fusarium wilt caused by Fusarium oxysporum f.sp. canariensis, affect the leaflets or pinnae on only one side of the leaf. Pinnae on one side are green while those on the other side are brown.

Initially, symptoms of Fusarium wilt caused by <i>Fusarium oxysporum</i> f.sp. <i>canariensis</i>, affect the leaflets or pinnae on only one side of the leaf. Pinnae on one side are green while those on the other side are brown. culture, pruning, disease; Dana Point, Orange Co., CA Credit: Donald R. Hodel, UCCE Los Angeles County — Credit: Donald R. Hodel, UCCE Los Angeles County