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Brenneria salicis is a Gram-negative bacterium that is pathogenic on plants.. 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.
Salix discolor, the American pussy willow [2] or glaucous willow, [3] is a species of willow native to North America, one of two species commonly called pussy willow.. It is native to the vast reaches of Alaska as well as the northern forests and wetlands of Canada (British Columbia east to Newfoundland), and is also found in the northern portions of the contiguous United States (Washington ...
Pussy willow is a name given to many of the smaller species of the genus Salix (willows and sallows) when their furry catkins are young in early spring. These species include (among many others): Goat willow or goat sallow (Salix caprea), a small tree native to northern Europe and northwest Asia.
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 ...
Salix gracilistyla [1] is a species of willow native to Japan, Korea and China known in English as the rose-gold pussy willow. [ 2 ] It is a deciduous shrub that reaches a height of 1–6 m.
Salix cinerea seeds on a birch tree branch. Grey willow grows in wetlands, moist depressions, ditches, embankments, banks of stagnant or slow-moving water bodies, and forest edges, where it encounters low-lying damp situations with waterlogged and nutrient-poor soils. S. cinerea is a pioneer species that rapidly colonizes disturbed sites. [8]
Salix caprea, known as goat willow, pussy willow or great sallow, is a common species of willow native to Europe and western and central Asia. [ 3 ] Description
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