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Ulmus americana 'Brandon'
Leafless vase shaped tree. Branches starting at approximately one and a half meters above the ground. The tree is approximately three meters tall. The circumference of the trunk is twenty-five centimeters. The diameter of the drip zone is an estimated one and a half meters. The overall health of the tree is questionable due to the presence of blackened trunk and branches.
The tree is exposed on all sides and is roughly four meters from closest neighboring trees, which are also Brandon Elm. The surrounding soil is covered with bark mulch and there is an irrigation valve box situated within the root zone of the tree. The area outside the drip zone consists of manicured grasses.
The tree appears to be infected with European elm scale. There is no foliage, due to winter drop, to assist in the assessment of the overall health of the tree. The majority of the branches, particularly on the south side of the tree, including the trunk, are black. There appears to be scale ~3-5mm across blanketed throughout these areas. The recommended treatment is a combination of dormant season pruning, horticultural or dormant oil and a systemic insecticide. The removal of the tree may be required in severe cases.
Spotted on Oct 10, 2016
Submitted on Oct 11, 2016
1 Comment
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