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Cornus kousa is a small deciduous tree 8–12 m (26–39 ft) tall, in the flowering plant family Cornaceae. Common names include kousa, kousa dogwood, [2] Chinese dogwood, [3] [4] Korean dogwood, [4] [5] [6] and Japanese dogwood. [2] [4] Synonyms are Benthamia kousa and Cynoxylon kousa. [7] It is a plant native to East Asia including Korea ...
Dogwood trees – which are susceptible to a fungal infection known as dogwood anthracnose (Discula destructiva) – will sometimes send out epicormic shoots when they are dying from the disease. [8] Similarly, ash trees may develop epicormic shoots when infested by the emerald ash borer. [9] Epicormic shoots can be used in mass propagation of ...
Beech bark disease is a disease that causes mortality and defects in beech trees in the eastern United States, Canada and Europe. [ 1 ] [ 2 ] [ 3 ] In North America , the disease occurs after extensive bark invasion by Xylococculus betulae and the beech scale insect , Cryptococcus fagisuga . [ 4 ]
A decade on from the arrival of the disease in the UK, the Woodland Trust wants to see action to boost British nurseries to protect our woods. ‘Real threat’ of importing new tree diseases as ...
Discula destructiva is a fungus in the family Gnomoniaceae which causes dogwood anthracnose, affecting populations of dogwood trees native to North America. [1]It was introduced to the United States in 1978 and is distributed throughout the Eastern United States and the Pacific Northwest.
Cornus is a genus of about 30–60 species [Note 1] of woody plants in the family Cornaceae, commonly known as dogwoods or cornels, which can generally be distinguished by their blossoms, berries, and distinctive bark. [3] Most are deciduous trees or shrubs, but a few species are nearly herbaceous perennial subshrubs, and some species are ...
Where beech bark disease becomes established, most of the larger trees will die. Some trees seem to be partially resistant to the disease and a small number seem to be completely resistant. This may be partly due to the fact that trees with smooth bark provide fewer cracks and crevices in which the scale insect can flourish. [8] [9]
Cornus florida, the flowering dogwood, is a species of flowering tree in the family Cornaceae native to eastern North America and northern Mexico. An endemic population once spanned from southernmost coastal Maine south to northern Florida and west to the Mississippi River. [ 4 ]