| 5375301 |
basal wound |
|
Basal wound, cause unknown. |
| 5052015 |
cold injury (low temperature) |
|
A sealed-over frost crack. |
| 5052080 |
cracks or splits |
|
A sealed-over crack. |
| 5053037 |
risk tree |
|
Multiple defects (cracks, decay, poor branch angles) in a yard tree. |
| 5053054 |
risk tree |
|
Large tree with multiple defects, including cracks, decay, dead branches. |
| 5044080 |
risk tree |
|
Sealed-over crack with decay. |
| 5044081 |
risk tree |
|
Hazard tree crack with sawdust at base of tree, indicating decay. |
| 5042076 |
Armillaria root rots |
Armillaria spp. |
signs of armillaria visible in recent crack |
| 5394964 |
cracks or splits |
|
significant crack in trunk |
| 5044003 |
cracks or splits |
|
Long spiral frost crack. |
| 5038036 |
cracks or splits |
|
Dead top with major split. |
| 5376239 |
cracks or splits |
|
|
| 5043054 |
cracks or splits |
|
Vertical seam closed with callus tissue. |
| 5033062 |
cracks or splits |
|
A red maple with a crack resulting from a bad branch union. |
| 5053033 |
included bark |
|
Crack starting at a codominant branch junction, with included bark. A very hazardous tree. |
| 5252002 |
included bark |
|
Poor branching angle with included bark, causing a crack all the way to the ground. |
| 5044092 |
inrolled crack |
|
|
| 5045054 |
imbedded objects |
|
|
| 5033060 |
cracks or splits |
|
|
| 5033061 |
cracks or splits |
|
|
| 5055091 |
imbedded objects |
|
|
| 5058035 |
inrolled crack |
|
|
| 5053043 |
shear crack |
|
|
| 5048016 |
inrolled crack |
|
Codominant branches with crack |
| 5048029 |
shear crack |
|
Codominant branches causing a shear crack. |
| 5048032 |
shear crack |
|
Codominant stems coming apart at the point of attachment |
| 5048038 |
inrolled crack |
|
Sugar maple with codominant stems and long crack. |
| 1397099 |
shear crack |
|
split at crotch |
| 1270006 |
shear crack |
|
codominant stems often reslut in a cracked trunk as the result of a weak branch union |
| 5177092 |
shear crack |
|
|
| 5177093 |
shear crack |
|
|
| 1397078 |
shear crack |
|
Codominant stems with a major crack |
| 1408015 |
inrolled crack |
|
Wounds sometimes start as vertical cracks. |
| 1408016 |
cracks or splits |
|
Cracks can also develop from branch stubs, |
| 1408017 |
cracks or splits |
|
splitting up from a branch stub |
| 1408018 |
cracks or splits |
|
crack forming down from stub |
| 1408019 |
cracks or splits |
|
Other causes of cracks, especially on young or thin-barked trees, include holes for injections and implants. |
| 1408020 |
cracks or splits |
|
These large protruding splits are called frost cracks, a misnomer, since they begin with a wound, not frost. |
