The dogwood , while uncouth in USDA hardiness zones 5 through 9 , is most mutual in North Carolina . It is popular in home and commercial-grade landscape gardening because of the early spring flower and bright red Chuck Berry . The cornel foliage turn purple and crimson during the fall . Several bark diseases affect the cornel . When constitute new dogwood , there are several tone to help prevent barque diseases .

Prevention of Dogwood Tree Bark Disease

When take dogwood for landscape gardening , be sure the trees are sound . If any trees are foul , they will infect other Sir Herbert Beerbohm Tree and plant in the landscape . Be certain to choose a dear website in the yard . The best site promotes speedy drying of foliage and has serious - drain soil . The dogwood does not postulate to be pruned , except in the spring and throughout the growing season to remove dead and decaying woodwind instrument and plant matter .

Dogwood Antrhacnose

dogwood tree anthracnose is triggered by Discula destructiva , a fungus that was first note in the seventies in Pennsylvania and New York . Eventually , the disease spread throughout the Appalachian Mountains , West Virginia , Virginia and Maryland . It was first noted in North Carolina in 1987 .

The fungus assail the bark , twig and leave-taking , and leaves conidium ( pile of spores ) on the septic bark . It starts out with tan blotches on the farewell . The blotches have a over-embellished border , and the disease is easily confused with foliage spots . The fungus spreads to the twig and the trunk of the tree diagram . It causes brown cankers on the bark . It might also have epicormic branches to form on the automobile trunk and some of the larger branch . If the tree has multiple cankers , the canker sore could surround the trunk and eventually kill the dogwood .

Crown Canker

Crown pestilence is due to Phytophthora cactorum , a disease that causes a canker sore to grow on the trunk of the dogwood tree near the stain occupation . Crown pestilence usually attacks dogwood tree that are newly establish or dogwoods that have rootage injuries . It is commonly encounter on dogwoods in area with poor drainage . The cankers eventually compensate the trunk and obliterate the top of the tree . It causes leaves on the tree diagram to be smaller than normal , and the leaves might shed ahead of time .

Dogwood Canker

dogwood tree canker sore is another disease that causes cankers on the dogwood ’s barque . It affects the tree trunk and the larger arm . The canker shows up as rough area . Insects infest the boisterous areas . finally , as with other pestilence , the cankers uprise around the integral luggage compartment and defeat the Sir Herbert Beerbohm Tree .

Treating Dogwood Bark Disease

Treat diseases with the appropriate fungicide . Depending on the disease , different fungicides might be needed . Your local nursery provides you with the proper antimycotic agent for anthracnose or canker .

References

…