| 5479882 |
Symptoms |
Leaf scorch |
| 2167084 |
Damage |
wind and snowbreak in a mixed broadleaved stand (Carpinus betulus L. and Fagus sylvatica L.) |
| 1241642 |
Damage |
Frost damage occured during bud break. |
| 5044051 |
Feature(s) |
Oak leaves coated with hoarfrost in winter. |
| 5368537 |
Symptoms |
Greenhouse sample. The dead areas mostly between veins of the older leaves and at tips of the very youngest leaves are due to an abiotic cause. The pattern of the injury on old and new leaves indicates the injury occurred at one point in time. |
| 5368538 |
Symptoms |
Greenhouse sample. The dead areas mostly between veins of the older leaves and at tips of the very youngest leaves are due to an abiotic cause. The pattern of the injury on old and new leaves indicates the injury occurred at one point in time. |
| 5368539 |
Symptoms |
Greenhouse sample. The dead areas mostly between veins of the older leaves and at tips of the very youngest leaves are due to an abiotic cause. The pattern of the injury on old and new leaves indicates the injury occurred at one point in time. |
| 5368540 |
Symptoms |
Greenhouse sample. The dead areas mostly between veins of the older leaves and at tips of the very youngest leaves are due to an abiotic cause. The pattern of the injury on old and new leaves indicates the injury occurred at one point in time. |
| 5368990 |
Symptoms |
Sample from a plastic, high tunnel structure where there was no artificial heating involved. The dead areas mostly between the veins of the older leaves and at the tips of the very youngest leaves are due to an abiotic cause, not a pathogenic disease. The pattern of the injury on old and new leaves indicates the injury occurred at one point in time. |
| 5368991 |
Symptoms |
Sample from a plastic, high tunnel structure where there was no artificial heating involved. The dead areas mostly between the veins of the older leaves and at the tips of the very youngest leaves are due to an abiotic cause, not a pathogenic disease. The pattern of the injury on old and new leaves indicates the injury occurred at one point in time. |
| 5368992 |
Symptoms |
Sample from a plastic, high tunnel structure where there was no artificial heating involved. The dead areas mostly between the veins of the older leaves and at the tips of the very youngest leaves are due to an abiotic cause, not a pathogenic disease. The pattern of the injury on old and new leaves indicates the injury occurred at one point in time. |
| 5368993 |
Symptoms |
Sample from a plastic, high tunnel structure where there was no artificial heating involved. The dead areas mostly between the veins of the older leaves and at the tips of the very youngest leaves are due to an abiotic cause, not a pathogenic disease. The pattern of the injury on old and new leaves indicates the injury occurred at one point in time. |
| 5038092 |
Damage |
hoar frost |
| 5016006 |
Damage |
|
| 5015096 |
Damage |
frost damage |
| 5016007 |
Damage |
frost refoliation on sassafras and chestnut oak |
| 5015091 |
Damage |
frost damage |
| 5015092 |
Damage |
frost damage |
| 5016001 |
Damage |
frost damage, picture taken in July |
| 5015094 |
Damage |
frost damage |
| 5015095 |
Damage |
frost damage |
| 5015097 |
Damage |
frost damage |
| 5016002 |
Damage |
frost damage, photo taken in July |
| 5016003 |
Damage |
frost damage |
| 5016004 |
Damage |
frost damage, photo taken 10 June |
| 5016005 |
Damage |
frost damage |
| 2113090 |
Damage |
damage to new shoots of Douglas fir seedling by the late spring frost |
| 2167087 |
Damage |
wind and snowbreak in a mixed broadleaved stand (Carpinus betulus L. and Fagus sylvatica L.) |
| 1238135 |
Damage |
Winter injury. National Arboretum, Washington DC. |
