When should I treat for pine wilt?
Remove and destroy infected trees before the following spring, when the beetles emerge.
Why timing decides it
There is no cure once symptoms appear. The tree needs removing promptly — dead pines are a fire and fall risk, and the beetles that carry the nematode breed in the dead wood.
Indiana specifics
The main reason mature Scotch pine is disappearing from Indiana windbreaks and old Christmas tree plantings.
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