Leaf scorch of ornamental trees and shrubs (2010)
Leaf scorch is a noninfectious condition caused by an unfavorable environment. There is no chemical control for leaf scorch, so the most effective defense is good management. Scorch is often called a disease, but it is not caused by fungus, bacteria or virus, nor does it result from insect attack. However, these problems may add to the seriousness of scorch
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