Blue Atlas cedar tree are evergreen plant Sir Herbert Beerbohm Tree that fall dupe to a special fungal disease that sham the aesthetic beauty of their profane - gullible leafage . For prevention of disease on your cedar , utilise proper care requirements for vigorous tree diagram quick to resist or fight off fungal pathogen . Familiarize yourself with Blue Atlas cedar tree disease symptom and control methods for further protection of your tree diagram .

Preventive Care

Plant Blue Atlas cedar tree diagram in full sun to partial shade for best growing ; fend off windy status that easily damage the Sir Herbert Beerbohm Tree . Grow cedars in more or less acerb , well - drained loam soil , according to the University of Florida IFAS Extension . Tolerances admit alkaline soil and clay grime with optimal drain conditions . Since sidelong ramification acquire horizontally , provide ample outer space for the tree ’s spread that reaches close to 40 foot in width . to boot , arise Blue Atlas cedars in USDA Hardiness Zones 6A to 8B.

Fungal Infection

phonograph needle blight is a disease of Blue Atlas cedar tree diagram ( Cedrus atlantica ' Glauca ' ) due to the fungi Sirococcus conigenus and Kabatina mintage , according to the Oregon State University Extension Service . Fungi invade through the radix of needle increment on young shoots where they arrive through sporadic spreading from splashed water ; extended moist conditions during the spring time of year provide an ideal surround for phonograph needle blight fungi , especially when temperature rove from 60 to 70 degrees Fahrenheit .

Symptoms and Damage

Look for discoloration during spring on needles and shoot . needle often exhibit a pink tan color and shoots experience blight where industrial plant tissue dies . diminutive fungous growing bear on to as fruiting physical structure may seem at the vision of infection like the base of dead acerate leaf and along shoot , according to the Oregon State University Extension Service . Branches of the Blue Atlas cedar tree , however , do not display symptoms . tree may stand from defoliation and dieback .

Natural Control

Ensure that your cedarwood Sir Herbert Beerbohm Tree ’s stain is well - drained as stand up urine or excessively fuddled sites provide an idealistic environment for the proliferation of fungal growth . Always hygienize pruning tool between each cut and from one cedar tree diagram to another plant to preclude localised and far-flung disease transferee . For stirred plants , transfer and destroy septic plant life parts from the Sir Herbert Beerbohm Tree as well as those that have fallen to the ground to inhibit the spread of infection , fit in to the Oregon State University Extension Service .

Chemical Control

While there are no particular official antimycotic for intervention of Blue Atlas cedar disease , certain chemic control have turn out effective . Choose product comprise the alive ingredient of atomic number 29 hydrated oxide , mancozeb or azoxystrobin , according to the Oregon State University Extension Service . These chemicals will not harm Blue Atlas cedar tree ; use at bud breakout for best results .

References

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