TG2105 : Canker on sycamore

taken 15 days ago, near to Eaton, Norfolk, Great Britain

Canker on sycamore
Canker on sycamore
Cankers are usually oval to elongate, but can vary considerably in size and shape. Typically, they appear as localised, sunken, slightly discoloured, brown-to-reddish lesions on the bark of trunks and branches, or as injured areas on smaller twigs. The bark often splits between the diseased and the healthy tissue, and sometimes it may ooze sap or moisture. Cankers are formed by the interaction between the host and pathogen. The pathogen grows within the wood and the host tree tries to contain the growth.
Danby Wood nature reserve
Danby Wood is a small broadleaved semi-natural woodland and one of eight local nature reserves in Norwich. Up until the 1930s the site was a working chalk quarry with many banks, hills and hollows that can still be seen today. The most common trees that colonised the site are sycamore and ash but lime, beech and oak are also present. The woodland supports a wide variety of birds and speckled wood, tortoiseshell and small white butterflies can be seen here during the summer months. The site is adjoined by the Eaton golf course and only a short distance away from the Marston Marshes. A public footpath linking both areas leads along the edge of the golf course.
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TG2105, 327 images   (more nearby )
Photographer
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Date Taken
Saturday, 30 November, 2019   (more nearby)
Submitted
Sunday, 1 December, 2019
Geographical Context
Woodland, Forest 
Subject Location
OSGB36: geotagged! TG 2188 0579 [10m precision]
WGS84: 52:36.2733N 1:16.5166E
Camera Location
OSGB36: geotagged! TG 2188 0579
View Direction
East-southeast (about 112 degrees)
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Image Type (about): close look 
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