I have noticed unusually extended yellowing of the inner needles of my pine tree. The same phenomenon shows in the pine trees in my neighborhood. I know that some yellowing is a natural occurrence, but I haven't seen it to this degree. Is there a problem with a fungal disease?
The yellowing on the interior is normal. However, on the ends of the branches is not normal. It is likely a disease and possibly root issues. Please make an appointment to have an arborist look at your trees for a better evaluation. We will likely take a tissue sample to be evaluated at our research lab.
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