What is the white stuff on crepe myrtles?

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Correspondingly, how do you get rid of white fungus on crepe myrtles?

The best practice is to choose a resistant variety of crape myrtle and plant it in the sun. The next best practice is to spray with a preventive fungicide early on. But starting now, a thorough dowsing with a horticultural or plant based oil spray will help reduce a light to moderate case of this fungal disease.

how do you get rid of sooty mold on crepe myrtles? Sooty mold doesn't directly harm crape myrtle trees, but it can reduce their vigor by blocking out sunlight, and leaves that are coated in mold usually fall prematurely. To remove sooty mold from your trees, dilute 4 ounces of liquid dish soap per gallon of water and drench the trees in the solution.

People also ask, how do I get rid of powdery mildew?

Combine one tablespoon baking soda and one-half teaspoon of liquid, non-detergent soap with one gallon of water, and spray the mixture liberally on the plants. Mouthwash. The mouthwash you may use on a daily basis for killing the germs in your mouth can also be effective at killing powdery mildew spores.

What kills crepe myrtle?

Glyphosate. Glyphosate kills virtually any plant it touches. Herbicides containing glyphosate may be painted on freshly cut stumps or sprayed onto the foliage to kill the crape myrtle.