Dogwood Tree Disease Resistant

Developed by rutgers the stellar series including stellar pink constellation celestial and aurora show some resistance against anthracnose and powdery mildew and a high degree of resistance against dogwood borer.

Dogwood tree disease resistant. Tartarian dogwood cornus alba redosier dogwood c. Recent progress has been made in developing dogwoods that resist disease especially anthracnose and other fungal attackers. One of the very common diseases of dogwood trees is the dogwood anthracnose which is caused by the fungus discula sp. Most resistant to dogwood anthracnose is cornus kousa and its slightly larger version c.

Avoid over application of fertilizer which can result in succulent new growth with greater susceptibility to disease. The infection is manifested in the form of leaf spots and stem cankers. While dogwoods remain a staple feature of the greater rochester area s spring landscape in many areas they are in decline. To increase your chances of enjoying a healthy dogwood choose a cultivar with disease resistance to both anthracnose and powdery mildew.

This is due to the tree s susceptibility to anthracnose. Mas also are resistant to this disease. Yet its white flowers are every bit as attractive even if they show up a couple weeks later. The initial symptoms appear as medium to large purple bordered leaf spots and scorched tan blotches.

Sericea and cornelian cherry c. Lastly let s consider disease resistant dogwood trees. Like the other dogwood trees featured in this article the kousa dogwood is known for its toughness. Rake and destroy fallen leaves.

Protect trees from drought stress winter injury and dogwood borer attack. However there are excellent disease resistant options for this versatile small tree. Another small tree that is sure to dazzle visitors year round is the kousa dogwood cornus kousa a native of japan. Kousa dogwood cornus kousa is generally resistant to dogwood anthracnose and is a better choice for replanting in sites where dogwoods have died from this disease.

When it comes to dogwoods the kousa dogwood cornus kousa is more cold and disease resistant than the flowering dogwood cornus florida according to the arbor day foundation. The shoots are also killed in this disease. Plant disease resistant cultivars of flowering dogwoods. An upright tree to about 30 feet the korean dogwood s june flowering is.

It is resistant to anthracnose powdery mildew and other diseases as well as having some drought resistance. Kousa and hybrids of kousa and native dogwood c.