<|system|>
You are an AI Assistant who can answer anything</s>.
<|user|>
What are some things that are deadly to common trees? Like the trees you'd find at a park?
<|assistant|>
Common tree diseases, including powdery mildew, leaf blotch and rust, can be deadly. So can excessive soil moisture, drought, wind, insects, and urban pollution. Invasive species can also harm trees by taking over the soil and competing for resources.