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Title: Bacterial Leaf Scorch of Amenity Trees a Wide-Spread Problem of Economic Significance to the Urban Forest

Author: Lashomb, James; Iskra, Alan; Brooks Gould, Ann; Hamilton, George;

Date: 2003

Source: USDA Forest Service, Northeastern Area, State and Private Forestry; Department of Entomology Rutgers University; Department of Plant Biology and Pathology Rutgers University; Department of Entomology Rutgers University

Publication Series: Technical Bulletin

Description: Bacterial leaf scorch (BLS) of amenity trees is caused by the bacterium Xylella fastidiosa, a xylem-limited pathogen that causes water stress resulting in leaf scorch, decline, and eventual death of affected trees. Recent surveys indicate that BLS is widespread throughout the eastern half of the United States. In New Jersey, BLS primarily affects red and pin oaks planted as landscape and street trees. Until recently, the disease was limited to southern and central regions of New Jersey, but is now found in communities throughout the State. We estimate that as many as 30% of oaks are affected by this disease in some municipalities. Not only is BLS considered a threat to northern red oak, the state tree of New Jersey, but it also has potential to devastate other species of oak such as pin and scarlet, as well. NA-TP-01-03

Keywords: NA-TP-01-03, bls, bacterial leaf scorch, Xylella fastidiosa, xylem, epicormic branching, armillaria root rot, scale insects, biotic diseases, infection of shade trees, X. fastidiosa, oak, sycamore, elm, mulberry, maple, elm leaf scorch, sycamore leaf scorch, oak leaf scorch

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Lashomb, James ; Iskra, Alan; Brooks Gould, Ann; Hamilton, George 2003. Bacterial Leaf Scorch of Amenity Trees a Wide-Spread Problem of Economic Significance to the Urban Forest. USDA Forest Service, Northeastern Area, State and Private Forestry; Department of Entomology Rutgers University; Department of Plant Biology and Pathology Rutgers University; Department of Entomology Rutgers University

 


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