The Warner Robins Patriot Your crape myrtles may be covered with a grayish-white powder, which is most likely powdery mildew. Spraying leaves with a fungicide before bloom time can help prevent this problem. Try chemicals with one of the following active ingredients ...
Agri-View Preventative treatments for homeowners are limited to protective fungicides containing Chlorothalonil or copper. “Once a plant is infected, these treatments won't kill the fungus. They are preventative, not curative,” says this ag agent. He adds that ... and more »
Utica Observer Dispatch Fungicides that contain the chemical chlorothalonil can be used. Organic products containing copper have not proven to be highly effective agai...
