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Tree Defects: Root Problems

183 Images of 28 Subjects View Subject List View Image Details View Thumbnails

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Image Subject Name Scientific Name Description
5377155 grade change grade change well over edge of root zone
5377149 stem girdling roots
5377050 stem girdling roots circling roots
2167092 root lifting, soil heaving, and windthrow uprooted trees after windthrow (Fagus sylvatica, Prunus avium); January 2003
5335014 planting too deep double root system; planted too deeply
5335015 planting too deep double root system; planted too deeply
2187060 planting too deep This tree was recently removed due to health issues. The health problems were attributed to the tree being planted too deeply.
2187063 planting too deep This tree was planted too deeply. The palnting depth is marked by the darkened area. Trees planted too deeply may be drought stressed and often have poor root development.
5454893 root problems Girdling root symptoms.
5444998 root problems Removing girdling roots.
5445001 root problems Removing girdling roots.
5444999 root problems Removing girdling roots.
5444997 root problems Girdling roots.
5462121 Armillaria root rots Armillaria spp.
5454606 decay Basal decay with girdling roots?.
5454605 decay Basal decay with girdling roots.
5454604 decay Basal decay with girdling roots.
5454603 decay Basal decay with girdling roots.
5454602 decay Basal decay with girdling roots.
5454615 weak branch union Codominant stems with bleeding canker and stem girdling roots.
5462123 Armillaria root rots Armillaria spp.
5462122 Armillaria root rots Armillaria spp.
5462119 root diseases and rots
5462118 root diseases and rots
2188079 root problems Root constrictions
2188081 root problems Root constrictions
5388309 restricted root system A root grows our of a sidewalk.
5388281 restricted root system
5388228 flooding/high water These trees are planted too deeply.  This can cause complications with drought and poor root development.
5388225 flooding/high water This tree was planted too deeply and, therefore, is suffering from significant decline.  Trees planted too deeply may suffer from drought stress and often have poorly developed root systems.
5388226 flooding/high water These trees are planted too deeply.  This can cause complications with drought and poor root development.
5388227 flooding/high water These trees are planted too deeply.  This can cause complications with drought and poor root development.
5388314 restricted root system Roots cause crack in sidewalk.
5388313 restricted root system Roots growing under this sidewalk cause heaving and cracking.
5388306 restricted root system Root damage has occured under this paved sidewalk. 
5388307 restricted root system Roots : 1; Curb : 0
5388260 restricted root system Roots in search of space to expand cause this brick terrace to heave.
5388218 restricted root system Confined root systems can cause damage to urban hardscapes.
5388219 restricted root system Confined root systems can cause a poorly developed root system and damage to urban hardscapes.
5388217 restricted root system Confined roots systems can cause damage to urban landscapes.
5388220 restricted root system Confined root systems can cause heaving of surrounding hardscapes.
5388221 restricted root system Confined root systems often cause damage to surrounding hardscape.
5388222 restricted root system Confined root system causes damage to surrounding hardscape.
5388223 restricted root system A confined root system causes heaving to surrounding hardscape. 
5037060 root lifting, soil heaving, and windthrow Ash windthrown during a severe windstorm.
5037061 root lifting, soil heaving, and windthrow Ash windthrown during a severe windstorm, in a city park.
5042057 root lifting, soil heaving, and windthrow Ash windthrow in a city park.
5037062 root lifting, soil heaving, and windthrow Ash windthrown during a severe windstorm, in a city park.
5042056 root lifting, soil heaving, and windthrow Windthrow of ash in a city park.
0364098 root lifting, soil heaving, and windthrow windthrow
5388203 restricted root system Trees are grown in harsh urban conditions.
5388202 restricted root system Trees have very limited root space.
5375303 construction Often, roots are damaged by construction work.
5375304 construction Root damage caused by digging and trenching.
5375305 construction Root problems caused from digging and trenching.
5375306 construction Construction work damaged tree roots.
5375307 construction Digging and trenching causes tree decline due to interference with root structure.
5375309 restricted root system Tree roots uplifting the side walk.
5375311 soil compaction Often, dirt paths compact the soil near the base of the tree.
5375294 restricted root system Limited root growth availability.
5375298 basal wound Sign of decay with minimal root flare.
5375286 construction Tree roots in the upper 6 inches of soil are quickly destroyed by construction work.
5375269 restricted root system Often, roots are restricted by roadways and sidewalks.
5375261 restricted root system Restricted root systems shown signs of decline.
5410516 root lifting, soil heaving, and windthrow
5410376 geotextile fabric tree roots conflicted with geotextile fabric
5410377 geotextile fabric tree roots conflicted with geotextile fabric
5410378 geotextile fabric tree roots conflicted with geotextile fabric
5410379 geotextile fabric tree roots conflicted with geotextile fabric
5410380 geotextile fabric Geotextile fabric removed.  Fine roots also restricted to soil that was inside of geotextile fabric
5410381 geotextile fabric Geotextile fabric removes.  Roots were restricted by fabric
5375233 exposed roots
5044071 root lifting, soil heaving, and windthrow Trees windthrown during storm.
5053001 grade change White pine in parking lot where fill was added to raise grade.
5044083 exposed roots Erosion and exposed roots.
5050039 root lifting, soil heaving, and windthrow Small building crushed by windthrown tree.
5376072 root lifting, soil heaving, and windthrow
5376071 root lifting, soil heaving, and windthrow
5378136 root lifting, soil heaving, and windthrow
5043046 Armillaria root rots Armillaria spp. Windthrow caused by Armillaria root rot in a large bur oak on a golf course.
5357075 hairy root disease Rhizobium rhizogenes Roots of a young mulberry tree in Thailand showing symptoms of hairy root disease.
5357074 root diseases and rots Mulberry tree displaying symptoms of root rot in a plantation in Thailand.
5357073 root diseases and rots Mulberry tree displaying symptoms of root rot in a plantation in Thailand.
5357072 root diseases and rots Mulberry tree displaying symptoms of root rot in a plantation in Thailand.
5357071 root diseases and rots Mulberry tree in Thailand displaying symptoms of root rot.
5335019 stem girdling roots
5032040 uncorrected lean A tree that has partially failed, resulting in a severe lean.
5032041 uncorrected lean A tree that has partially failed, resulting in a severe lean.
5334073 stem girdling roots
5334016 drainage injury from poor drainage
5361975 graft incompatibility Graft union of a declining apricot tree on plum rootstock.
5028085 grade change
5366935 laminated root disease Phellinus weirii Evidence of laminated root disease (Phellinus weirii) in douglas-fir.
5366755 Armillaria root rots Armillaria spp. Rhizomorphs of armillaria root rot (Armillaria sp.) on an aspen log.
5366754 Armillaria root rots Armillaria spp. Mushroom and mycelial fan characteristic of armillaria root rot (Armillaria sp.) in a conifer tree.
5366751 Armillaria root rots Armillaria spp. Subalpine fir (Abies lasiocarpa) showing symptoms of armillaria root rot (Armillaria sp.).
5366750 Armillaria root rots Armillaria spp. Ponderosa pine forest (Pinus ponderosa) with trees showing symptoms of armillaria root rot (Armillaria sp.).
5366749 Armillaria root rots Armillaria spp. Mycelial fans of armillaria root rot (Armillaria sp.) under the bark of a ponderosa pine (Pinus ponderosa).
5366748 Armillaria root rots Armillaria spp. Mycelial fans of armillaria root rot (Armillaria sp.) under the bark of a ponderosa pine (Pinus ponderosa).
5366747 Armillaria root rots Armillaria spp. Hardwood log covered with rhizomorphs of armillaria root rot (Armillaria sp.).
5366746 Armillaria root rots Armillaria spp. Young ponderosa pine trees (Pinus ponderosa) dying due to infection with armillaria root rot (Armillaria sp.).
5366745 Armillaria root rots Armillaria spp. Ponderosa pine forest (Pinus ponderosa) with trees showing symptoms of armillaria root rot (Armillaria sp.).
5356685 crown gall Rhizobium radiobacter Burning mulberry trees infested with crown gall (Agrobacterium tumefaciens).
5044010 root lifting, soil heaving, and windthrow
5038071 root cutting and trenching
5050017 soil compaction
5050018 grade change
5035042 root lifting, soil heaving, and windthrow
5045018 root lifting, soil heaving, and windthrow
5050011 grade change
5050012 grade change
5050013 grade change
5050014 grade change
5050015 grade change
5050016 grade change
5045013 root lifting, soil heaving, and windthrow
5050019 grade change
5053060 undermined root system
5052046 stem girdling roots
5052047 stem girdling roots
5052076 undermined root system
5052098 undermined root system
5038073 stem girdling roots
5044039 root lifting, soil heaving, and windthrow
5044040 root lifting, soil heaving, and windthrow
5034016 stem girdling roots
5034017 stem girdling roots
5251040 root lifting, soil heaving, and windthrow
5191068 canker
5291037 imbedded objects roots growing into pavers along sidewalk
5291038 imbedded objects
5291065 mulching deep mulching with material spread upto the trunk
5291066 mulching deep mulching with material spread upto the trunk
5291095 imbedded objects tree growing over curb
5291032 basal cankers
5291034 basal cankers
1397107 exposed roots exposed roots damaged by mowers
1245179 root lifting, soil heaving, and windthrow Campus storm.
1245180 root lifting, soil heaving, and windthrow Campus storm 1983.
5224014 crown gall Rhizobium radiobacter
5224015 crown gall Rhizobium radiobacter
5224016 crown gall Rhizobium radiobacter
1270007 root cutting and trenching
1270008 root lifting, soil heaving, and windthrow
1270009 root lifting, soil heaving, and windthrow
5028069 restricted root system
5028084 grade change Trees can be severely injured by grade change activities
1397130 root cutting and trenching This drastic "root pruning" as a result of construction activities may result in the decline of the affected tree.
5028087 construction Construction activities can cause severe injury to the root systems of trees.
5028088 grade change The grade was raised around these white pine trees (Pinus strobus). The trees suffered some dieback, but did not die.
5029006 decay Severe decay in butt of red oak. Causal agent unknown.
5177091 restricted root system Older street trees may grow into curbs and in some cases, may displace curb sections.
1397066 root lifting, soil heaving, and windthrow
1397057 root lifting, soil heaving, and windthrow Blue spruce that failed at the roots in high winds
1397060 root lifting, soil heaving, and windthrow
1397052 restricted root system the resricted root system of the tree contributed to it's eventual failure during a storm; the parked car was in the way ehn the failure occured
1397056 root lifting, soil heaving, and windthrow Windthrown tree on a house
1238132 stem girdling roots Notice root girdling and poor anchorage, leading to a blowdown. Greenville, SC.
1238147 root lifting, soil heaving, and windthrow Insufficient anchorage from diseased roots allowed this windthrow. SC.
1361182 root problems When transplanting balled trees, too often the ball is elvated several inches above original depth and 12" or greater of mulch is applied
1361190 root problems Bent taproot with a balled configuration, notice the girdling roots
1408076 root problems Other trees look safe, but have a weak root system. Always check for root decay when making a hazard tree inspection.
1458062 root problems strangulated root collar of eastern white pine
1458063 root problems strangulated root collar of eastern white pine
1399073 root problems root constrictions
1400169 stem girdling roots Girdling roots
1400170 stem girdling roots Girdling roots
1238206 imbedded objects Metal and concrete girdle.
1238108 undermined root system Root bridge, construction-related erosion. Greer, SC
1397062 restricted root system
1407053 Armillaria root rots Armillaria spp. This is shoestring root rot. Named for the black bands that the fungus produces under dead bark, shoestring root rot often attacks weakened trees. Keep your trees healthy and vigorous through a well designed program of tree care.
1407057 root lifting, soil heaving, and windthrow or changing the grade and moisture content of sites can cause major problems for trees. Consider the consequences before the work begins.
1397083 undermined root system Tree overhangs streambed. Campground tent site is just to the left of the stream in this image
1397089 root lifting, soil heaving, and windthrow domino effect: tree hazards may extend beyond the height of the tree
1397090 restricted root system Roots restricted by pavement (street and sidewalk) caused tree failure
1397049 undermined root system Overhanging streambed in campground. Campsite is just about 15' to the right of the tree in this image.
1397106 root problems Red oak with root damage and decay in campground (hazard tree)
1397069 root problems Root damage from erosion; Long-term erosion around tree in park.
1361191 root problems Bent multiple taproots, notice the girdling roots
1361192 root problems Bent taproot with a balled configuration
1361193 root problems A swept taproot
1361194 root problems A swept taproot
1361195 root problems Bent taproot with balled configuration and girdling roots

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