I have six Arborvitae planted in a row with about
10 feet betteen trees (Central Maryland). They
are about 5 years old and are doing well except
for one tree that developed dried needles on one
side of the tree and rolled up needles similar in
shape and appearance to a cacoon made by
butterflies. There does not appear to be
anything inside, however.
I started spraying the tree with the same thing I
am spraying my vineyard (Dithane, Sulphur,
Penncop, and Seven). The condition has not
gotten worse and possibly it is showing some
signs of recovery.
Any idea on what this condition is due to?
Go out early in the morning and just pull the bag worms off. I know of
trees doing well that had bag worms for many years. It is a spruce my
father planted. As far as problems with your trees here is a start.
Remeber they don't like wet feet, the trees you have.
Many tree problems are associated with the following: They are Case
I am in SE PA and travel to and own a place in MD.
I would be happy to look at your trees.
As far as the pesticides go I would check out some information here.
I think you might be killing the good guys along with the bad guys.
John A. Keslick, Jr.
Beware of so-called tree experts who do not understand tree biology.
Storms, fires, floods, earthquakes, and volcanic eruptions keep reminding us
that we are not the boss.
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