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The bacterium is known to cause 'watermark disease' in willow (Salix ssp.) trees. Watermark disease affects infected trees by occluding the xylem vessels, impeding circulation. Early signs of the disease are wilting or dried-out, dead leaves on intermittent branches throughout the tree's crown.
Salix alba, the white willow, is a species of willow native to Europe and western and central Asia. [2] [3] The name derives from the white tone to the undersides of the leaves. It is a medium to large deciduous tree growing up to 10–30 m tall, with a
Flowers. Salix nigra is a medium-sized deciduous tree, the largest North American species of willow, growing to 10–30 m (35–100 ft) tall, exceptionally up to 45 m (148 ft), with a trunk 50–80 centimeters (20–30 in) diameter.
"Green Willow" is a Japanese ghost story in which a young samurai falls in love with a woman called Green Willow who has a close spiritual connection with a willow tree. [77] "The Willow Wife" is another, not dissimilar tale. [78] "Wisdom of the Willow Tree" is an Osage Nation story in which a young man seeks answers from a willow tree ...
Various cultivars of Salix matsudana (Chinese willow) are now often included within Salix babylonica, treated more broadly, including: 'Pendula' is one of the best weeping trees, with a silvery shine, hardier, and more disease resistant. 'Tortuosa' is an upright tree with twisted and contorted branches, marketed as corkscrew willow.
Entoleuca mammata is a species of fungus in the genus Entoleuca.It is responsible for the plant disease hypoxylon canker in hardwood trees such as quaking aspen (Populus tremuloides) [1] and other aspens and poplars, [2] Salix myrsinifolia [1] and other willow species, [1] [2] rowan (Sorbus aucuparia), [1] Sitka alder (Alnus viridis), [2] birch (Betula spp.), [2] apple (Malus spp.), [2] oak ...
Salix × sepulcralis 'Chrysocoma', or Weeping Golden Willow, is the most popular and widely grown weeping tree in the warm temperate regions of the world. It is an artificial hybrid between S. alba 'Vitellina' and S. babylonica. The first parent provides the frost hardiness and the golden shoots and the second parent the strong weeping habit.
Salix lasiolepis is a deciduous large shrub or small multi−trunked tree growing to 10 metres (33 ft) tall. The shoots are yellowish brown and densely hairy when young. The leaves are 3.5–12.5 centimetres (1.4–4.9 in) long and broadly lanceolate in shape.
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