Powdery Mildew on Apple Trees, Signs, Treat, Control.

/Home/Garden Basics/Trees/Tree Diseases/Crabapple Tree Diseases/Crabapple Tree Powdery Mildew

James Kilkelly, was GPI.

Powdery mildew on Apple Trees.
by GPI

Plants affected
Apple trees, both edible and crab apple.

Season(s)
Spring
Summer
Autumn.

Signs and Symptoms.
Powdery white fungal growth appearing as a dusting on leaves, tips of stems and buds. Eventually the foliage distorts, withers and dies.
See picture...

. Powdery Mildew as it appears on leaves, photo / picture / image.

Cause.
Podosphaera leucotricha a fungus which thrives in warm weather/heavy night dews.

Copyright © 2006 - 2009 IrishGardeners.com (part of GardenPlansIreland.com)