Leyland Cyperus brown needles at the bottom - Knowledgebase Question

Hoschton, GA (Zone 7B)
Question by rdpoole
September 11, 2005
I have one of 10 leyland cyperus tress that has the needles turning brown and falling on on the bottom 1/4 of the tree. The top looks fine and has new growth. What is causing this and what can be done about it. This is not occuring on the other trees.

Answer from NGA
September 11, 2005



That is a sign of either a needle blight which is usually caused by a fungal disease, or possibly a lack of moisture reaching the top. The lack of moisture can be due to dry conditions, loss of roots from soggy soil conditions which exclude oxygen from the roots, problems with roots encircling the trunk which in a few years after planting will begin to strangle the trunk showing drought symptoms on the above ground parts of the tree.

Check soil moisture, dig down around the base a few inches deep to look for an encircling root (there is no way to practically fix this), and if need be take some affected branches to your local Extension Office to see if they can diagnose a foliar disease and recommend an appropriate spray.

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