Hello,
I have two mature Scot’s Pine trees in my yard that are having trouble. Dying lower branches, brown needles and thinning. They are about 25 years old. I also have a groundhog that burrows nearby. Do you think that is my problem? What should I do?
Hello,
Disease: Dothistroma needle blight
Symptoms appear:March/April
Species: Primarily Austrian but also on Red pine, Scots pine
Timing of control: May – July
Disease: Lophodermium needle cast
Symptoms appear: April/May
Species: Primarily Scots pine but also found on Austrian and Red pine
Timing of control: August – September
Disease: Brown spot needle blight
Symptoms appear: August/September
Species: Primarily Scots pine but also on Red pine, Austrian
Timing of control: May – June
This article was published by Michigan State University Extension
I hope this was helpful.
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May 30, 2024