| 5458657 |
spruce needle rust |
Chrysomyxa weirii |
Immature Chrysomyxa weirii rust pustules on blue spruce needles. Note slight swellings where fruiting bodies are developing within yellow-orange spots on needles. |
| 5458658 |
spruce needle rust |
Chrysomyxa weirii |
Immature Chrysomyxa weirii rust pustules on blue spruce needles. Note slight swellings where fruiting bodies are developing within yellow-orange spots on needles. |
| 5458349 |
balsam gall midge |
Paradiplosis tumifex |
Galled needles on balsam fir. |
| 0485002 |
Ploioderma needle cast of pine |
Ploioderma lethale |
advanced symptoms |
| 1470122 |
Dothistroma needle blight |
Mycosphaerella pini |
|
| 4824026 |
Diplodia tip blights |
Diplodia spp. |
D. pini causing branch flagging. |
| 4824027 |
Diplodia tip blights |
Diplodia spp. |
D. pini causing a resinous stem canker |
| 2651047 |
Phytophthora root rot |
Phytophthora cinnamomi |
root decay (bark intact)- base of stem. Union County, North Carolina |
| 2251040 |
Douglas-fir needlecast |
Rhabdocline pseudotsugae |
close-up view of symptoms on Douglas-fir |
| 4822058 |
pitch canker |
Fusarium subglutinans |
Mortality of upper main stem |
| 0485001 |
Ploioderma needle cast of pine |
Ploioderma lethale |
|
| 0485006 |
pitch canker |
Fusarium subglutinans |
stem canker with resinosus |
| 4822057 |
pitch canker |
Fusarium subglutinans |
Mortality ("flagging") of terminal shoot |
| 0485007 |
pitch canker |
Fusarium subglutinans |
canker with resinosus |
| 2251038 |
tar spot needlecast |
Davisomycella ampla |
Douglas-fir Christmas tree plantation |
| 2651048 |
Phytophthora root rot |
Phytophthora cinnamomi |
dead seedling. |
| 2651046 |
Phytophthora root rot |
Phytophthora cinnamomi |
root decay (bark removed) at base of stem. |
| 4823057 |
Lophodermium needle casts |
Lophodermium spp. |
Severe infection. |
| 4824095 |
southern blight |
Sclerotium rolfsii |
Discolored foliage of infected seedlings. |
| 2251039 |
Douglas-fir needlecast |
Rhabdocline pseudotsugae |
advanced symptoms at Christmas Tree Plantation |
| 2175039 |
western gall rust |
Endocronartium harknessii |
immature gall |
| 2175040 |
western gall rust |
Endocronartium harknessii |
|
| 5049039 |
brown spot needle blight of pine |
Mycosphaerella dearnessii |
Brown spot needle blight. Demonstration of fungicide effectiveness. |
| 5366966 |
western gall rust |
Endocronartium harknessii |
Pine tree in a plantation showing symptoms of western gall rust. |
| 5050059 |
Cytospora cankers |
Cytospora spp. |
|
| 1467013 |
flooding/high water |
|
|
| 0485003 |
Phomopsis blight |
Phomopsis juniperivora |
tip dieback |
| 0485004 |
Cercospora fungi |
Cercospora spp. |
symptomatic tree |
| 4824067 |
Phomopsis blight |
Phomopsis juniperivora |
Infected seedlings in nursery bed. |
| 4824068 |
Phomopsis blight |
Phomopsis juniperivora |
Discolored foliage of infected seedlings. |
| 4824092 |
southern blight |
Sclerotium rolfsii |
Infected seedlings. |
| 4824093 |
southern blight |
Sclerotium rolfsii |
Infected seedlings. |
| 4822059 |
pitch canker |
Fusarium subglutinans |
Internal resin impregnation of infected xylem tissue |
| 4822071 |
Phomopsis blight |
Phomopsis juniperivora |
characteristic dicoloration (graying) and curling of infected shoot tips |
| 4823042 |
juniper witches' broom rust |
Gymnosporangium nidus avis |
Swelling and telia sporulation on infected branch. |
| 2250072 |
Diplodia blight |
Sphaeropsis sapinea |
tip dieback on ponderosa pine |
| 2250073 |
Phomopsis blight |
Phomopsis juniperivora |
tip dieback |
| 0590017 |
Botryosphaeria canker |
Botryosphaeria dothidea |
canker on branch of Leyland Cypress |
| 0590018 |
Botryosphaeria canker |
Botryosphaeria dothidea |
canker with bark removed on Leyland Cypress |
| 0590019 |
Botryosphaeria canker |
Botryosphaeria dothidea |
canker on shoot terminal of Leyland Cypress |
