California fan palm, Washingtonia filifera, with petiole blight, caused by Serenomyces spp., has a reduced canopy of leaves.

This California fan palm with petiole blight, caused by <i>Serenomyces</i> spp., has a reduced canopy of leaves. culture, disease, PR; Santa Barbara Co. CA Credit: Donald R. Hodel, UCCE Los Angeles County
California fan palm, Washingtonia filifera, with petiole blight, caused by Serenomyces spp., has a reduced canopy of leaves. Credit: Donald R. Hodel, UCCE Los Angeles County