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To get rid of the sooty mold we must remove or prevent the honeydew. To avoid the honeydew, the best thing is to prevent the insects in the first place. That involves applying a soil drench of ...
Crepe myrtles are for the most part trouble-free. But insects, cool nights, and too much shade can cause problems. If your tree didn't bloom or you've spotted mold, here's what you can do.
Proper crape (or crepe) myrtle pruning. How much to prune: Properly prune your crape myrtle by removing 25% of the crown, and no more than 30%, Moorman said.Anything over 30% is considered over ...
If bark blisters are found on branches over 10–15 cm from the trunk, those branches may be pruned off, which will stop the spread of the disease to the rest of that tree. If the main trunk is affected then no control is possible, and the tree will die once the infection encircles the tree.
Common symptoms are an uneven surface caused by setae (surface hairs) and a grey or brown surface tinted lilac on the tree bark. The main sign is the presence of white fruiting bodies that form crusts attached to the trees, typically on the bark of the trunk. Setae can also be seen on the tree bark in the trunk and branches.
Aleurodiscus oakesii on tree bark. Aleurodiscus oakesii is the most common fungi to cause “smooth patch disease” on the nonliving outer bark of trees. This fungal infection can lead to trees shedding and leaving smooth and lighter patches of bark on the tree, giving “smooth patch” its meaning.
The crape myrtle is a fast growing tree that can be affected by mildew and aphids.
The bark that is infected becomes weak and tends to snap off in windy weather. [1] The pathogen thrives in dead wood and airborne spores infect living trees and shrubs through wounds. Since it is caused by a weak fungus, isolation of the pathogen from diseased tissue and an analysis for fungal properties, such as induced sporulation or ...