Biological Resistance of Elm (Ulmus carpinifolia var. Umbelifera) Trees against Fungal Endophytes and White Rot Decay Fungi

Urban trees are one of the valuable storage in metropolitan areas. Nowadays, a particular attention is paid to and spends million dollars per year their maintenance. Trees often subjected abiotic factors, such as fungi, bacteria, insects, which lead decline mechanical strength wood properties. The objective this study was determine potential degradation Elm tree by Phellinus pomaceus Biscogniauxia mediteranae endophyte. Biological decay tests were done according EN 113 standard impact bending test accordance with ASTM-D256-04 standard. results indicated that longer incubation time, weight loss increased for both sapwood heartwood. Fungal deterioration leads changes bending. In order manage street trees, knowing characteristics very important should be regularly monitored evaluated identify defects trees.