| Image |
Descriptor |
Description |
Photographer |
| 5337086 |
Asexual Spore |
conidia |
Mary Ann Hansen |
| 5040078 |
Cutting Systems |
shelterwood modified after Sphaeropsis |
Joseph O'Brien |
| 5040079 |
Cutting Systems |
shelterwood with Sphaeropsis |
Joseph O'Brien |
| 1312020 |
Feature(s) |
Conidia of Diplodia pinea (Desm.) Kickx, the casual agent of Dipodia blight. From pycnidia on cones. |
Donald Owen |
| 1406026 |
Fruiting Bodies |
|
USDA Forest Service - North Central Research Station Archive |
| 1470125 |
Fruiting Bodies |
pycnidia on needles; December 1970 |
A. Steven Munson |
| 1241510 |
Fruiting Bodies |
Pycnidia on twig. |
John W. Schwandt |
| 5337084 |
Fruiting Bodies |
microscopic view of cross-section of needle with fungal pycnidia |
Mary Ann Hansen |
| 5337085 |
Fruiting Bodies |
microscopic view of inside of pycnidium |
Mary Ann Hansen |
| 5051017 |
Habitat |
Red pine stand with extensive advance regeneration. Such stands are susceptible to regeneration mortality caused by Diplodia pinea. |
Joseph O'Brien |
| 5051025 |
Research |
Setting up Diplodia shoot blight impact plots in a young red pine stand. |
Joseph O'Brien |
| 5050092 |
Research |
Red pine tagged for a study on shoot blight caused by Diplodia pinea |
Joseph O'Brien |
| 5050093 |
Research |
Setting up research plots for shoot blight caused by Diplodia pinea. |
Joseph O'Brien |
| 5050099 |
Research |
Young red pine stand affected by Diplodia shoot blight. |
Joseph O'Brien |
| 5051006 |
Research |
Diplodia shoot blight symptoms in young red pine on a poor site. Shane Weber |
Joseph O'Brien |
| 5051008 |
Research |
Diplodia shoot blight in a young red pine plantation on a poor site. |
Joseph O'Brien |
| 5041084 |
Seedling(s) |
shoot blight in understory |
Joseph O'Brien |
| 5031044 |
Seedling(s) |
Heavy mortality in red pine seedlings, caused by spores from infected overstory trees |
Joseph O'Brien |
| 5029017 |
Sign |
pycnidia on a needle |
USDA Forest Service - Forest Health Protection - St. Paul Archive |
| 5050086 |
Sign |
|
Joseph O'Brien |
| 1371051 |
Sign |
Black spots (pyknidia) on the scales of pine cones. Filakovo, Slovakia |
Andrej Kunca |
| 1406019 |
Sign |
stem canker |
USDA Forest Service - North Central Research Station Archive |
| 2112097 |
Sign |
pycnidia on cone scales |
Petr Kapitola |
| 1415137 |
Sign |
Pycnidia on cone. Aug. 12, 2002 |
Andrej Kunca |
| 1415150 |
Sign |
Pycnidia on cone scales. Aug. 26, 2002 |
Andrej Kunca |
| 1415151 |
Sign |
Pycnidia on the bark. Aug. 26, 2002 |
Andrej Kunca |
| 5051004 |
Sign |
|
Joseph O'Brien |
| 5051001 |
Sign |
|
Joseph O'Brien |
| 5051002 |
Sign |
|
Joseph O'Brien |
| 5050091 |
Sign |
|
USDA Forest Service - Forest Health Protection - St. Paul Archive |
| 5335001 |
Symptoms |
|
Mary Ann Hansen |
| 5335002 |
Symptoms |
|
Mary Ann Hansen |
| 5335003 |
Symptoms |
|
Mary Ann Hansen |
| 5335004 |
Symptoms |
clubbed shoots showing needle stunting and death |
Mary Ann Hansen |
| 5335005 |
Symptoms |
clubbed shoots showing needle stunting and death |
Mary Ann Hansen |
| 5335006 |
Symptoms |
|
Mary Ann Hansen |
| 5051003 |
Symptoms |
|
Joseph O'Brien |
| 5050094 |
Symptoms |
discoloration |
Joseph O'Brien |
| 5050095 |
Symptoms |
Red pine stand with red pine regeneration. Such regeneration is at high risk of infection by Diplodia pinea from spores produced in the overstory trees. |
Joseph O'Brien |
| 5050096 |
Symptoms |
|
Joseph O'Brien |
| 5050097 |
Symptoms |
|
Joseph O'Brien |
| 5051005 |
Symptoms |
Hail wound that became infected with Diplodia pinea. |
Joseph O'Brien |
| 5051007 |
Symptoms |
Red pine stand with advance regeneration infected with Diplodia shoot blight. |
Joseph O'Brien |
| 5051009 |
Symptoms |
Shoot blight symptoms in a young red pine stand on a poor site. |
Joseph O'Brien |
| 5051011 |
Symptoms |
Top dieback caused by Diplodia pinea in red pine. Bark has been removed to show the dark staining in the wood caused by Diplodia. |
Joseph O'Brien |
| 5051012 |
Symptoms |
Collar rot and mortality in red pine caused by Diplodia. |
Joseph O'Brien |
| 5051026 |
Symptoms |
Diplodia shoot blight symptoms in overstory red pine. |
Joseph O'Brien |
| 5051028 |
Symptoms |
Diplodia shoot blight symptoms in overstory red pine following a hail storm. |
Joseph O'Brien |
| 5051029 |
Symptoms |
Heavy infection of red pine with Diplodia shoot blight on a poor site. |
Joseph O'Brien |
| 5051030 |
Symptoms |
Red pine regeneration killed by Diplodia pinea. Infection of advance regeneration occurs from inoculum produced in the overstory. |
Joseph O'Brien |
| 5051031 |
Symptoms |
Symptoms of Diplodia shoot blight in young red pine. |
Joseph O'Brien |
| 5051032 |
Symptoms |
Diplodia shoot blight in red pine regeneration. |
Joseph O'Brien |
| 5051033 |
Symptoms |
Dark staining in wood caused by Diplodia pinea infection. |
Joseph O'Brien |
| 5051034 |
Symptoms |
Red pine seed tree regeneration cut with good advance red pine regeneration. Such regeneration is at high risk of infection by Diplodia pinea from spores produced in the overstory trees. |
Joseph O'Brien |
| 5051037 |
Symptoms |
Diplodia shoot blight symptoms in understory red pine. Such regeneration is at high risk of infection by Diplodia pinea from spores produced in the overstory trees. |
Joseph O'Brien |
| 5051038 |
Symptoms |
Diplodia collar rot in jack pine |
Joseph O'Brien |
| 5051039 |
Symptoms |
Dark staining in the wood of red pine infected with Diplodia pinea. |
Joseph O'Brien |
| 5051018 |
Symptoms |
|
USDA Forest Service - Forest Health Protection - St. Paul Archive |
| 5051019 |
Symptoms |
|
Joseph O'Brien |
| 5051020 |
Symptoms |
|
Joseph O'Brien |
| 5051021 |
Symptoms |
|
Joseph O'Brien |
| 5051022 |
Symptoms |
Shoot blight symptoms on red pine. |
Joseph O'Brien |
| 5051041 |
Symptoms |
Diplodia shoot blight symptoms in a red pine stand following a hail storm. |
Joseph O'Brien |
| 5051042 |
Symptoms |
Diplodia shoot blight symptoms in a red pine stand following a hail storm. |
Joseph O'Brien |
| 5051043 |
Symptoms |
Symptoms of Diplodia shoot blight in young red pine. |
Joseph O'Brien |
| 5051044 |
Symptoms |
Tip blight caused by Diplodia pinea. |
Joseph O'Brien |
| 5051046 |
Symptoms |
Dark staining in the wood of red pine infected with Diplodia pinea. |
Joseph O'Brien |
| 1361144 |
Symptoms |
Tip and shoot dieback |
Carmen Rodriguez |
| 1371050 |
Symptoms |
Shoot dieback. Filakovo, Slovakia |
Andrej Kunca |
| 1406085 |
Symptoms |
dead trees |
USDA Forest Service - North Central Research Station Archive |
| 1415130 |
Symptoms |
Aug. 12, 2002 |
Andrej Kunca |
| 1415132 |
Symptoms |
Aug. 12, 2002 |
Andrej Kunca |
| 2250072 |
Symptoms |
tip dieback on ponderosa pine |
USDA Forest Service Archive |
| 3037022 |
Symptoms |
Diplodia pinea, red pine Chippewa, asexual stage |
Robert L. Anderson |
| 5029013 |
Symptoms |
Main stem infection causing death of top. |
Joseph O'Brien |
| 5029014 |
Symptoms |
Sphaeropsis sapinea and Diplodia scrobiculata can cause shoot blight in jack pine. |
Joseph O'Brien |
| 5029015 |
Symptoms |
Heavy infection and shoot mortality in larger trees following a hail storm. |
Joseph O'Brien |
| 5029016 |
Symptoms |
Severe shoot blight on a very poor site. |
Joseph O'Brien |
| 1406021 |
Symptoms |
|
USDA Forest Service - North Central Research Station Archive |
| 1406022 |
Symptoms |
|
USDA Forest Service - North Central Research Station Archive |
| 1406023 |
Symptoms |
|
USDA Forest Service - North Central Research Station Archive |
| 1406024 |
Symptoms |
|
USDA Forest Service - North Central Research Station Archive |
| 1406025 |
Symptoms |
top rows sprayed with Benomyl, bottom rows not treated |
USDA Forest Service - North Central Research Station Archive |
| 1400009 |
Symptoms |
Following tornado damage, Upper Peninsula, Michigan. |
Linda Haugen |
| 1400010 |
Symptoms |
Following tornado damage in Upper Peninsula of Michigan. See image 1400011 for cut away view. |
Linda Haugen |
| 1400011 |
Symptoms |
Bark cut away from canker (see image 1400010) to show necrosis of cambium due to diplodia blight. |
Linda Haugen |
| 1400012 |
Symptoms |
Branch death on red pine due to wounding and diplodia blight, following a tornado. |
Linda Haugen |
| 1241526 |
Symptoms |
|
Susan K. Hagle |
| 1301051 |
Symptoms |
Main stem infection of Sphaeropsis sapinea on red pine. Bark has been peeled back to expose dark discoloration of canker face. |
Joseph O'Brien |
| 1301053 |
Symptoms |
Sphaeropsis sapinea branch infections on red pine following a hail storm on a dry site. |
Joseph O'Brien |
| 1312017 |
Symptoms |
Heavily diseased with Diplodia Blight. |
Donald Owen |
| 1312018 |
Symptoms |
Bark was cut away to reveal resinosis and staining in the wood. |
Donald Owen |
| 1312019 |
Symptoms |
Redish-brown needles are current year's infections. Gray needles are from previous year's infections. |
Donald Owen |
| 1198033 |
Symptoms |
Shoot blight symptoms developed a few weeks after a severe hail storm that caused numerous wounds on the branches of these trees. |
Joseph O'Brien |
| 1198034 |
Symptoms |
Red pine on dry sandy sites are susceptible to Diplodia shoot blight infection. |
Joseph O'Brien |
| 1198035 |
Symptoms |
Severe shoot blight symptoms following a hail storm. |
Joseph O'Brien |
| 1198036 |
Symptoms |
Hail-initiated shoot blight in large trees. |
Joseph O'Brien |
| 1241508 |
Symptoms |
Severely infected tree. |
Susan K. Hagle |
| 1241509 |
Symptoms |
Close-up of infected twig. |
Susan K. Hagle |
| 5050088 |
Symptoms |
Main stem Diplodia infection on jack pine. |
Joseph O'Brien |
| 5050090 |
Symptoms |
Shoot blight of red pine caused by Diplodia pinea |
Joseph O'Brien |
| 5029018 |
Symptoms |
Dark discoloration in infected wood of red pine. |
Joseph O'Brien |
| 5031086 |
Symptoms |
Red pine severely affected by Diplodia following a hail storm |
Joseph O'Brien |
| 5033078 |
Symptoms |
Diplodia shoot blight in red pine on poor site. |
Joseph O'Brien |
| 5033079 |
Symptoms |
|
Joseph O'Brien |
| 5033080 |
Symptoms |
Diplodia shoot blight on red pine on poor site. |
Joseph O'Brien |
| 5038035 |
Symptoms |
|
Joseph O'Brien |
| 5041086 |
Symptoms |
shoot blight on overstory branch |
Joseph O'Brien |
| 5041087 |
Symptoms |
|
Joseph O'Brien |
| 5041088 |
Symptoms |
shoot blight on understory tree |
Joseph O'Brien |
| 5041090 |
Symptoms |
|
Joseph O'Brien |
| 5041095 |
Symptoms |
|
Joseph O'Brien |
| 5041096 |
Symptoms |
|
Joseph O'Brien |
| 5042003 |
Symptoms |
top kill |
Joseph O'Brien |
| 5044021 |
Symptoms |
discoloration |
Joseph O'Brien |
| 5044022 |
Symptoms |
|
Joseph O'Brien |
| 5040080 |
Symptoms |
shelterwood with Sphaeropsis |
Joseph O'Brien |
| 5041053 |
Symptoms |
|
Joseph O'Brien |
| 5041056 |
Symptoms |
branch mortality |
Joseph O'Brien |
| 5041057 |
Symptoms |
cambial staining |
Joseph O'Brien |
| 5041059 |
Symptoms |
canker on main stem |
Joseph O'Brien |
| 5041060 |
Symptoms |
discolored wood |
Joseph O'Brien |
| 5041065 |
Symptoms |
|
Joseph O'Brien |
| 5041066 |
Symptoms |
|
Joseph O'Brien |
| 5041067 |
Symptoms |
|
Joseph O'Brien |
| 5041068 |
Symptoms |
|
Joseph O'Brien |
| 5041069 |
Symptoms |
|
Joseph O'Brien |
| 5041070 |
Symptoms |
|
Joseph O'Brien |
| 5041071 |
Symptoms |
|
Joseph O'Brien |
| 5041072 |
Symptoms |
|
Joseph O'Brien |
| 5041073 |
Symptoms |
seedling mortality in understory |
Joseph O'Brien |
| 5041074 |
Symptoms |
severe infection in large tree |
Joseph O'Brien |
| 5041078 |
Symptoms |
|
Joseph O'Brien |
| 5041080 |
Symptoms |
shoot blight in overstory |
Joseph O'Brien |
| 5041081 |
Symptoms |
shoot blight in overstory |
Joseph O'Brien |
| 5041082 |
Symptoms |
shoot blight in windbreak |
Joseph O'Brien |
| 5041083 |
Symptoms |
|
Joseph O'Brien |
| 5051040 |
Treatment |
Removing tops of red pine in a seed tree or sheltewood cut can eliminate infection of advance regeneration from spores produced in the overstory trees. |
Joseph O'Brien |
| 5058038 |
Twig(s)/Shoot(s) |
shoot regeneration |
Joseph O'Brien |
