White Fungus on Pyracantha Coccinea

Written by karen malzeke-mcdonald
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White Fungus on Pyracantha Coccinea
This white, cottony growth is found on the branches and trunk of the Pyracantha Coccinea. (branches image by Vaida from Fotolia.com)

Pyracantha Coccinea are extremely hardy evergreen bushes, but may still fall prey to parasites. White, cottony material on the branches and trunk can look like a white fungus. A common affliction for this plant, however, is small insects that have the appearance of a white fungus from a distance.

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Identification

Pyracantha Coccinea is a species of Firethorn. This shrub has small white flowers and bright-red berries. It is an evergreen shrub that is very persistent and hardy. It has a medium growth rate that expands into an oval shape with age.

White Fungus on Pyracantha Coccinea
Pyracantha Coccinea grows bright-red berries. (red berries image by Cliff Lloyd from Fotolia.com)

White Fungus

The appearance of white fungus found growing on the branches of a Pyracantha Coccinea may be woolly aphids. Woolly aphids are small insects, about 1/8 inch long, and covered in white, waxy strands. Long-term infection causes branches to die and generally poor growth.

Treatment

A contact insecticide will not eradicate the woolly aphids, as it will simply wash over the top. Instead, a systemic insecticide must be used. It is taken up by the plant leaves and delivered to the pest by the sap. Several applications need to be made every few weeks to completely eliminate the woolly aphids.

White Fungus on Pyracantha Coccinea
Systemic insecticides are required to eliminate woolly aphids. (cicadelle image by Claudio Calcagno from Fotolia.com)

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