Cercospora Blight on Juniper

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f6r22 Plano, TX(Zone 7a) Jun 25, 2007

Hi,

I have a Juniper topiary that seems to be affected with the Cercospora Blight probably to the excessive rains that we got in TX this spring. The affliction seems to be moderate, and the tree has lost about 30 % of the needles/leaves. Its is sprouting a lot of new needles while the older ones are turning brown and dropping off. On researching I have narrowed it down to Cercospora, based on the browing pattern (older leaves browning first, and moving upwards), and the grey fungus that can be seen on some of the needles.
Is there a cure for this, Is there some fungicide that I can use? Its a beautiful tree and I don't want to lose it.

thanks,
xman

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ecrane3 Dublin, CA(Zone 9a) Jun 25, 2007

Here's some info that may help you
http://hgic.clemson.edu/factsheets/hgic2056.htm
With most fungal diseases, sprays are more effective as a preventative rather than fixing an already existing problem. Best thing is usually prune out affected areas and make sure to clean up any diseased needles that fall on the ground, avoid overhead watering which can splash fungal spores back up onto the plant, etc.

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