Dogwood Tree Diseases Bark. Dogwood Tree Bark Disease. The versatile dogwood (Cornus spp.) is susceptible to several problems, including diseases that attack its bark, causing varying degrees of damage. Once you have. Dogwood borer The most devastating borer of dogwoods is the dogwood borer, Synanthedon scitula. The larvae of a clear-wing moth, this caterpillar tunnels into the trunk of the tree and eventually girdles the tree. Weakened trees are more susceptible. An early symptom may be the sloughing of loose bark. Crown dieback and the
The most common insect pest is the dogwood borer, whose larvae burrow under the bark of the trunk and limbs. Because newly hatched larvae enter the tree through wounds or broken bark, avoid damage to the bark when doing lawn maintenance or pruning. Infected trees can be treated by spraying with an insecticide. Q. I have a dogwood tree in my yard I'm really concerned about. It was planted about three years ago in what I now realize is a very hot afternoon sun location (probably not ideal). Its leaves look brown every year and it has not yet flowered. I thought it was drought stressed, so this season I really kept on top of watering it with a soaker hose. It started leafing out, but by early summer. The dogwood tree is commonly grown for ornamental purposes, often as a standalone tree. It is popular for its exotic, bright-colored flowers. Some dogwood varieties grow red berries during the early winter season. Dogwoods are low-maintenance trees but they are susceptible to some garden diseases.
Several bark diseases affect the dogwood. When planting new dogwood, there are several steps to help prevent bark diseases. Prevention of Dogwood Tree Bark Disease. When choosing dogwood for landscaping, be sure the trees are healthy. If any trees are contaminated, they will infect other trees and plants in the landscape.
Crown Canker of Dogwood: Phytophthora cactorum Crown Canker, also known as Collar Rot of dogwood is caused by the pathogen Phytophthora cactorum. The disease causes injury to flowering dogwood (Cornus florida) and may kill the affected tree or weaken the tree and make it more susceptible to attack by other organisms. Due to its year-round appeal and small size, dogwood tree is one of the most sought after ornamental plants in Northern America. The flower of the dogwood tree is the state flower of North Carolina. Despite the ease with which they grow, there are a number of dogwood tree diseases and troubles that need to be taken care of. The flowering dogwood (Cornus florida) is a small, deciduous ornamental tree that is native throughout the eastern United States.Although dogwoods are well adapted to South Carolina, they can be affected by many pests and diseases. Maintaining healthy dogwood trees by following the recommended cultural practices is the first line of defense in reducing any of these problems. Dogwood borer The most devastating borer of dogwoods is the dogwood borer, Synanthedon scitula. The larvae of a clear-wing moth, this caterpillar tunnels into the trunk of the tree and eventually girdles the tree. Weakened trees are more susceptible. An early symptom may be the sloughing of loose bark. Crown dieback and the