Bottom die out of Italian Cypress


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Old 04-07-08, 01:03 PM
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Bottom die out of Italian Cypress

I have 12 Italian Cypress at 4 foot intervals across the back part of my property. All but about 3 of these have gone "bald" from the ground to between 4 and 5 feet. What could possibly be causing this?
 
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Old 04-07-08, 04:37 PM
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Hi Oliver,

Unfortunately there isn't enough info here to know for sure. Things like when they were planted, if planted within the last year, how they were planted, how they are watered and your location would be most helpful. Without more info my first guess would be overwatering and my second guess would be Cercosporidium Blight. Italian cypress are know scientifically as Cupressus sempervirens.
http://www.doacs.state.fl.us/pi/enpp...circ/pp397.pdf

Newt
 
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Old 04-10-08, 09:58 AM
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Spider mites are known to cause bottom braches to turn brown, and trees do not produce new green growth. Use a miticide. Try ultra-refined horticultural oil or other miticide from garden center. Make several applications about a week apart. Do not delay, as mites do irreparable damage.



Photo Credit: Fast Growing Trees Nursery
 
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Old 04-10-08, 12:22 PM
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Great advice from Twelvepole, but do check for spider mites by holding a piece of white paper under effected branches. Tap the branches to see if the tiny mites fall on the paper.
http://woodypest.ifas.ufl.edu/mites.htm
http://www.ext.vt.edu/departments/en...idermites.html

Newt
 
 

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