| 1503011 |
Lophodermium needle casts |
Lophodermium spp. |
Brown spot needle cast; loblolly pine |
| 1406019 |
Diplodia blight |
Sphaeropsis sapinea |
stem canker |
| 1241641 |
red belt abiotic damage |
|
The outer foliage is generally most damaged. |
| 1467361 |
Elytroderma needle cast of pine |
Elytroderma deformans |
|
| 0355049 |
pine needle rusts |
Coleosporium spp. |
|
| 1241639 |
red belt abiotic damage |
|
|
| 1470122 |
Dothistroma needle blight |
Mycosphaerella pini |
|
| 2652013 |
spruce needle cast/blight |
Lirula macrospora |
long black fruiting bodies |
| 2251058 |
pine needle cast |
Lophodermium pinastri |
severe infection |
| 2251056 |
lodgepole pine needle cast |
Lophodermella concolor |
older stand with injury |
| 2251057 |
lodgepole pine needle cast |
Lophodermella concolor |
young stand in foreground with injury |
| 2251049 |
Dothistroma needle blight |
Mycosphaerella pini |
|
| 2251051 |
Dothistroma needle blight |
Mycosphaerella pini |
|
| 2251036 |
larch needle cast |
Hypodermella laricis |
diseased needles |
| 2251037 |
larch needle cast |
Hypodermella laricis |
needles with fruiting bodies |
| 2251040 |
Douglas-fir needlecast |
Rhabdocline pseudotsugae |
close-up view of symptoms on Douglas-fir |
| 0364032 |
brown spot needle blight of pine |
Mycosphaerella dearnessii |
light damage on longleaf pine |
| 0364018 |
Sirococcus blight of conifers |
Sirococcus conigenus |
tip dieback on red pine |
| 0364014 |
Rhabdocline needlecasts |
Rhabdocline spp. |
symptoms on blue spruce |
| 0364016 |
Rhabdocline needlecasts |
Rhabdocline spp. |
symptoms on blue spruce |
| 1301053 |
Diplodia blight |
Sphaeropsis sapinea |
Sphaeropsis sapinea branch infections on red pine following a hail storm on a dry site. |
| 1406057 |
Sirococcus blight of conifers |
Sirococcus conigenus |
|
| 1406075 |
brown spot |
Alternaria alternata |
needle symptoms |
| 1406050 |
Sirococcus blight of conifers |
Sirococcus conigenus |
Northern Highlands State Forest |
| 1406064 |
pine needle cast |
Lophodermium pinastri |
winter burn and Lophodermium on 40,000 Northern Christmas trees, Holman Farm |
| 1398006 |
Lophodermium needle casts |
Lophodermium spp. |
|
| 1406025 |
Diplodia blight |
Sphaeropsis sapinea |
top rows sprayed with Benomyl, bottom rows not treated |
| 0364029 |
brown spot needle blight of pine |
Mycosphaerella dearnessii |
light infection on seedling in foreground, healthy seeding in background |
| 0364015 |
Rhabdocline needlecasts |
Rhabdocline spp. |
symptoms on blue spruce |
| 1467023 |
needle rust |
Coleosporium senecionis |
telial horns |
| 1442049 |
witches broom rust |
Gymnosporangium nelsonii |
Gymnosporangium nelsonii Fpm 17 Juniperus scopulorum Poudre Canyon, Co. June 11 1974 |
| 1406071 |
pine needle cast |
Lophodermium pinastri |
|
| 1406003 |
pine needle rust |
Coleosporium asterum |
aecia |
| 1406007 |
pine needle rust |
Coleosporium asterum |
|
| 1467040 |
Gynosporanium rusts |
Gymnosporangium spp. |
|
| 1467378 |
Medusa needle blight |
Davisomycella medusa |
|
| 1406041 |
Sirococcus blight of conifers |
Sirococcus conigenus |
|
| 1467386 |
white pine needlecast |
Lophodermella arcuata |
|
| 1467393 |
needle cast |
Virgella robusta |
|
| 1467381 |
Medusa needle blight |
Davisomycella medusa |
|
| 2251054 |
lodgepole pine needle cast |
Lophodermella concolor |
symptomatic tree |
| 1406196 |
tar spot needlecast |
Davisomycella ampla |
|
| 1406005 |
pine needle rust |
Coleosporium asterum |
|
| 1406021 |
Diplodia blight |
Sphaeropsis sapinea |
|
| 1406022 |
Diplodia blight |
Sphaeropsis sapinea |
|
| 1406038 |
Sirococcus blight of conifers |
Sirococcus conigenus |
|
| 1406006 |
pine needle rust |
Coleosporium asterum |
|
| 1467365 |
Elytroderma needle cast of pine |
Elytroderma deformans |
|
| 2251041 |
larch needle cast |
Hypodermella laricis |
on old needles and new growth |
| 2251044 |
Swiss needle cast |
Phaeocryptopus gaeumannii |
infected foliage on left and healthy foliage on right |
| 2251045 |
Swiss needle cast |
Phaeocryptopus gaeumannii |
symptomatic trees |
| 1400009 |
Diplodia blight |
Sphaeropsis sapinea |
Following tornado damage, Upper Peninsula, Michigan. |
| 1400012 |
Diplodia blight |
Sphaeropsis sapinea |
Branch death on red pine due to wounding and diplodia blight, following a tornado. |
| 1400010 |
Diplodia blight |
Sphaeropsis sapinea |
Following tornado damage in Upper Peninsula of Michigan. See image 1400011 for cut away view. |
| 1467390 |
Dothistroma needle blight |
Mycosphaerella pini |
|
| 4178020 |
pine needle cast |
Lophodermella cerina |
infected needles in Loblolly pine crown |
| 2251055 |
lodgepole pine needle cast |
Lophodermella concolor |
systematic needles |
| 1198037 |
Sirococcus blight of conifers |
Sirococcus conigenus |
Shoot blight showing the drooping needle symptom sometimes indicative of Sirococcus conigenus infection. |
| 1399085 |
needle blight of larch |
Meria laricis |
|
| 1241575 |
fir needle cast |
Isthmiella abietis |
Fruiting bodies (hysterothecia) of Isthmiella abietis (needle cast) on midrib of subalpine fir needles. |
| 1406044 |
Sirococcus blight of conifers |
Sirococcus conigenus |
|
| 1241526 |
Diplodia blight |
Sphaeropsis sapinea |
|
| 2251042 |
needle blight of larch |
Meria laricis |
symptomatic needles |
| 1467389 |
Dothistroma needle blight |
Mycosphaerella pini |
|
| 1467408 |
brown felt blight |
Herpotrichia juniperi |
|
| 1301015 |
Sirococcus blight of conifers |
Sirococcus conigenus |
Siroccocus shoot blight infection on red pine, without the "deerskin droop" symptom. |
| 4178019 |
pine needle cast |
Lophodermella cerina |
on loblolly pine; Camp Livingston 85 |
| 1241612 |
lodgepole pine needle cast |
Lophodermella concolor |
Lophodermella concolor turns needles bright red-brown just before bud break in the spring. |
| 3035079 |
brown spot needle blight of pine |
Mycosphaerella dearnessii |
close-up view of infected needles |
| 1467366 |
Elytroderma needle cast of pine |
Elytroderma deformans |
|
| 1241567 |
Rhabdocline needlecasts |
Rhabdocline spp. |
Rhabdocline apothecia are released when flaps of leaf epidermis fold back on either side of the midrib. |
| 2652003 |
large-spored spruce-laborador tea/needle rust |
Chrysomyxa ledicola |
in coastal Alaska |
| 1406049 |
Sirococcus blight of conifers |
Sirococcus conigenus |
eastern white pine is resistant |
| 1406024 |
Diplodia blight |
Sphaeropsis sapinea |
|
| 0364023 |
Dothistroma needle blight |
Mycosphaerella pini |
infected needles on Austrian pine |
| 3046051 |
brown spot needle blight of pine |
Mycosphaerella dearnessii |
|
| 2652001 |
large-spored spruce-laborador tea/needle rust |
Chrysomyxa ledicola |
in coastal Alaska |
| 1442053 |
brown felt blight |
Herpotrichia juniperi |
|
| 2652012 |
spruce needle cast/blight |
Lirula macrospora |
in southeast Alaska |
| 2251048 |
Dothistroma needle blight |
Mycosphaerella pini |
infected needles on ponderosa pine |
| 1406008 |
pine needle rust |
Coleosporium asterum |
telia growing on alternate host |
| 3035078 |
brown spot needle blight of pine |
Mycosphaerella dearnessii |
heavily infected grass stage seedlings |
| 1467367 |
Elytroderma needle cast of pine |
Elytroderma deformans |
|
| 4178006 |
pine needle cast |
Lophodermella cerina |
Loblolly pine, Camp Livingston |
| 1467372 |
Douglas-fir needlecast |
Rhabdocline pseudotsugae |
|
| 1406039 |
Sirococcus blight of conifers |
Sirococcus conigenus |
|
| 1400011 |
Diplodia blight |
Sphaeropsis sapinea |
Bark cut away from canker (see image 1400010) to show necrosis of cambium due to diplodia blight. |
| 1406059 |
Sirococcus blight of conifers |
Sirococcus conigenus |
|
| 2251046 |
Elytroderma needle cast of pine |
Elytroderma deformans |
symptomatic needles and upturned branches |
| 1406195 |
Swiss needle cast |
Phaeocryptopus gaeumannii |
|
| 1241589 |
needle blight of larch |
Meria laricis |
Larch needle cast causes yellow spots which become red-brown, begins infecting emerging needles in the spring, and can continue to reinfect as long as rainfall creates suitable conditions. |
| 1241574 |
fir needle casts |
Lirula spp. |
Symptom pattern on fir branches. The red foliage was infected in the previous year. |
| 1406192 |
Rhizosphaera needle cast |
Rhizosphaera kalkhoffii |
|
| 0355050 |
pine needle rusts |
Coleosporium spp. |
close-up view on aecia |
| 1406055 |
Sirococcus blight of conifers |
Sirococcus conigenus |
|
| 2652014 |
spruce needle rust |
Chrysomyxa weirii |
small infections in southeast Alaska |
| 1406032 |
Sirococcus blight of conifers |
Sirococcus conigenus |
|
| 1241566 |
Rhabdocline needlecasts |
Rhabdocline spp. |
Rhabdocline apothecia are released when flaps of leaf epidermis fold back on either side of the midrib. |
| 1406004 |
pine needle rust |
Coleosporium asterum |
small trees |
| 1241613 |
lodgepole pine needle cast |
Lophodermella concolor |
Lophodermella concolor turns needles bright red-brown just before bud break in the spring. |
| 0364028 |
brown spot needle blight of pine |
Mycosphaerella dearnessii |
discoloration of longleaf needles in grass stage |
| 1406067 |
Lophodermium needle casts |
Lophodermium spp. |
|
| 1406013 |
pine needle rust |
Coleosporium asterum |
|
| 1467022 |
larch needle cast |
Hypodermella laricis |
|
| 1473151 |
lodgepole pine needle cast |
Lophodermella concolor |
6/1/1966 Larimer Co., Colorado |
| 1406063 |
Lophodermium needle casts |
Lophodermium spp. |
|
| 3035067 |
brown spot needle blight of pine |
Mycosphaerella dearnessii |
infection on older needles |
| 1406033 |
Sirococcus blight of conifers |
Sirococcus conigenus |
Superior National Forest |
| 1241616 |
pine needle cast |
Lophodermium nitens |
Lophodermium nitens has caused severe defoliation in this western white pine. |
| 1241617 |
pine needle cast |
Lophodermium nitens |
The wilted needles are red-brown with dark mottling at first, then gray. |
| 5061096 |
pine needle rusts |
Coleosporium spp. |
Aecia on needles |
| 5061097 |
pine needle rusts |
Coleosporium spp. |
Aecia on pine needles |
| 5061100 |
pine needle rusts |
Coleosporium spp. |
Aecia on needles |
| 5062001 |
pine needle rusts |
Coleosporium spp. |
Aeica on needles |
| 5062002 |
pine needle rusts |
Coleosporium spp. |
Aecia on needles |
| 1406085 |
Diplodia blight |
Sphaeropsis sapinea |
dead trees |
| 1406036 |
Sirococcus blight of conifers |
Sirococcus conigenus |
|
| 1241588 |
needle blight of larch |
Meria laricis |
Larch needle cast causes yellow spots which become red-brown, begins infecting emerging needles in the spring, and can continue to reinfect as long as rainfall creates suitable conditions. |
| 1198036 |
Diplodia blight |
Sphaeropsis sapinea |
Hail-initiated shoot blight in large trees. |
| 1241614 |
lodgepole pine needle cast |
Lophodermella concolor |
Fruiting bodies, produced during bud break, are the same color as the dead needles, giving the needles a warty appearance. |
| 1241586 |
larch needle cast |
Hypodermella laricis |
Larch needle blight causes needles to droop on branches turning red the first year. |
| 5061098 |
pine needle rusts |
Coleosporium spp. |
Aecia on needles |
| 5061099 |
pine needle rusts |
Coleosporium spp. |
Aecia on needles |
| 2634074 |
juniper blight |
Cercospora sequoiae junipera |
close-up view of windbreak |
| 1198034 |
Diplodia blight |
Sphaeropsis sapinea |
Red pine on dry sandy sites are susceptible to Diplodia shoot blight infection. |
| 2251038 |
tar spot needlecast |
Davisomycella ampla |
Douglas-fir Christmas tree plantation |
| 2634062 |
Rhizosphaera needle cast |
Rhizosphaera kalkhoffii |
general view showing typical pattern/color |
| 1406190 |
Rhizosphaera needle cast |
Rhizosphaera kalkhoffii |
|
| 1241587 |
larch needle cast |
Hypodermella laricis |
Black dots of fruiting bodies form in midsummer on needles. |
| 1467382 |
Medusa needle blight |
Davisomycella medusa |
|
| 1406037 |
Sirococcus blight of conifers |
Sirococcus conigenus |
|
| 1198038 |
Sirococcus blight of conifers |
Sirococcus conigenus |
Severe shoot blight symptoms in red pine on a dry, sandy site. |
| 1406034 |
Sirococcus blight of conifers |
Sirococcus conigenus |
Chippewa National Forest - Cutfoot Sioux district |
| 1241565 |
Rhabdocline needlecasts |
Rhabdocline spp. |
Red spots and transverse banding on infected needles. |
| 1406065 |
pine needle cast |
Lophodermium pinastri |
17 Maneb sprays and check bed |
| 0364030 |
brown spot needle blight of pine |
Mycosphaerella dearnessii |
close-up view of infected needles |
| 1406027 |
Sirococcus blight of conifers |
Sirococcus conigenus |
|
| 1406030 |
Sirococcus blight of conifers |
Sirococcus conigenus |
|
| 1406031 |
Sirococcus blight of conifers |
Sirococcus conigenus |
|
| 1241609 |
Dothistroma needle blight |
Mycosphaerella pini |
Mycosphaerella needle blight on a ponderosa pine sapling. |
| 1406062 |
pine needle cast |
Lophodermium pinastri |
|
| 1406029 |
Sirococcus blight of conifers |
Sirococcus conigenus |
|
| 1241610 |
Dothistroma needle blight |
Mycosphaerella pini |
A light infection. |
| 2251059 |
pine needle cast |
Lophodermium pinastri |
infected needles |
| 1406060 |
Lophodermium needle casts |
Lophodermium spp. |
|
| 2733028 |
brown spot needle blight of pine |
Mycosphaerella dearnessii |
severe infection of grass stage seedling |
| 1406191 |
Rhizosphaera needle cast |
Rhizosphaera kalkhoffii |
|
| 1406058 |
Sirococcus blight of conifers |
Sirococcus conigenus |
|
| 3035068 |
brown spot needle blight of pine |
Mycosphaerella dearnessii |
infection on older needles |
| 2251034 |
larch needle cast |
Hypodermella laricis |
large area of injury |
| 2251033 |
larch needle cast |
Hypodermella laricis |
symptomatic needles |
| 1406194 |
Swiss needle cast |
Phaeocryptopus gaeumannii |
|
| 1406042 |
Sirococcus blight of conifers |
Sirococcus conigenus |
Superior National Forest |
| 1406061 |
pine needle cast |
Lophodermium pinastri |
|
| 1406048 |
Sirococcus blight of conifers |
Sirococcus conigenus |
|
| 1301012 |
Sirococcus blight of conifers |
Sirococcus conigenus |
The "deerskin droop" symptom sometimes observed. |
| 1301014 |
Sirococcus blight of conifers |
Sirococcus conigenus |
"Deerskin droop" symptom |
| 1467379 |
Medusa needle blight |
Davisomycella medusa |
|
| 1467385 |
white pine needlecast |
Lophodermella arcuata |
|
| 1301051 |
Diplodia blight |
Sphaeropsis sapinea |
Main stem infection of Sphaeropsis sapinea on red pine. Bark has been peeled back to expose dark discoloration of canker face. |
| 1406043 |
Sirococcus blight of conifers |
Sirococcus conigenus |
|
| 1467398 |
common snow mold |
Phacidium infestans |
|
| 1241615 |
white pine needlecast |
Lophodermella arcuata |
Chronic infection has killed all except the current season's foliage. |
| 1467392 |
needle cast |
Virgella robusta |
|
| 2251039 |
Douglas-fir needlecast |
Rhabdocline pseudotsugae |
advanced symptoms at Christmas Tree Plantation |
| 1406035 |
Sirococcus blight of conifers |
Sirococcus conigenus |
|
| 1301013 |
Sirococcus blight of conifers |
Sirococcus conigenus |
Severe shoot blight symptoms |
| 1467368 |
Elytroderma needle cast of pine |
Elytroderma deformans |
witch's broom |
| 2652002 |
large-spored spruce-laborador tea/needle rust |
Chrysomyxa ledicola |
on the alternate host, Labrador tea, in coastal Alaska |
| 1467120 |
Elytroderma needle cast of pine |
Elytroderma deformans |
|
| 1406028 |
Sirococcus blight of conifers |
Sirococcus conigenus |
|
| 1406051 |
Sirococcus blight of conifers |
Sirococcus conigenus |
|
| 1198033 |
Diplodia blight |
Sphaeropsis sapinea |
Shoot blight symptoms developed a few weeks after a severe hail storm that caused numerous wounds on the branches of these trees. |
| 1198035 |
Diplodia blight |
Sphaeropsis sapinea |
Severe shoot blight symptoms following a hail storm. |
| 1467376 |
Rhabdocline needlecast |
Rhabdocline weirii |
|
| 1361139 |
brown spot needle blight of pine |
Mycosphaerella dearnessii |
Benomyl treated right |
| 5040096 |
Sirococcus blight of conifers |
Sirococcus conigenus |
"Deerskin droop" symptoms of Sirococcus conigenus on red pine |
| 5041054 |
Diplodia blight |
Sphaeropsis sapinea |
Dark staining in a twig affected by Diplodia |
| 5041055 |
Diplodia blight |
Sphaeropsis sapinea |
Dark staining of the wood |
| 5041076 |
Diplodia blight |
Sphaeropsis sapinea |
Severe Diplodia shoot blight episode, following a hailstorm |
| 5041077 |
Diplodia blight |
Sphaeropsis sapinea |
Shoot blight. Several people examining symptoms during a field tour. |
| 5041091 |
Diplodia blight |
Sphaeropsis sapinea |
Setting up a research plot to track impacts of shoot blight. |
| 5041092 |
Diplodia blight |
Sphaeropsis sapinea |
Setting up a research plot |
| 5041093 |
Diplodia blight |
Sphaeropsis sapinea |
Marking trees to track shoot blight impacts |
| 5041097 |
Diplodia blight |
Sphaeropsis sapinea |
Shoot blight symptoms |
| 5041098 |
Diplodia blight |
Sphaeropsis sapinea |
Shoot blight symptoms |
| 5041099 |
Diplodia blight |
Sphaeropsis sapinea |
Shoot blight symptoms under a red pine shelterwood |
| 5035072 |
Sirococcus blight of conifers |
Sirococcus conigenus |
Shoot blght sypmtoms in lower crown |
| 5035063 |
Sirococcus blight of conifers |
Sirococcus conigenus |
Sirococcus shoot blight symptoms in the lower crown of pole-sized red pine |
| 5035065 |
Sirococcus blight of conifers |
Sirococcus conigenus |
Sirococcus shoot blight symptoms in pole-sized red pine |
| 5035066 |
Sirococcus blight of conifers |
Sirococcus conigenus |
Sirococcus shoot blight symptoms in pole-sized red pine |
| 5035067 |
Sirococcus blight of conifers |
Sirococcus conigenus |
Shoot blight symptoms in pole-sized red pine |
| 5035068 |
Sirococcus blight of conifers |
Sirococcus conigenus |
Shoot blight symptoms in pole-sized red pine |
| 5035069 |
Sirococcus blight of conifers |
Sirococcus conigenus |
Shoot blight symptoms in pole-sized red pine |
| 5035070 |
Sirococcus blight of conifers |
Sirococcus conigenus |
Shoot blight symptoms in pole-sized red pine |
| 5035071 |
Sirococcus blight of conifers |
Sirococcus conigenus |
Shoot blight symptoms in pole-sized red pine |
| 5039004 |
Diplodia blight |
Sphaeropsis sapinea |
Collar rot in jack pine caused by Diplodia |
| 5054090 |
Diplodia blight |
Sphaeropsis sapinea |
Diplodia canker mortality in jack pine |
| 5050090 |
Diplodia blight |
Sphaeropsis sapinea |
Shoot blight of red pine caused by Diplodia pinea |
| 5050092 |
Diplodia blight |
Sphaeropsis sapinea |
Red pine tagged for a study on shoot blight caused by Diplodia pinea |
| 5050093 |
Diplodia blight |
Sphaeropsis sapinea |
Setting up research plots for shoot blight caused by Diplodia pinea. |
| 5050095 |
Diplodia blight |
Sphaeropsis sapinea |
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. |
| 5050099 |
Diplodia blight |
Sphaeropsis sapinea |
Young red pine stand affected by Diplodia shoot blight. |
| 5051005 |
Diplodia blight |
Sphaeropsis sapinea |
Hail wound that became infected with Diplodia pinea. |
| 5051006 |
Diplodia blight |
Sphaeropsis sapinea |
Diplodia shoot blight symptoms in young red pine on a poor site. Shane Weber |
| 5051007 |
Diplodia blight |
Sphaeropsis sapinea |
Red pine stand with advance regeneration infected with Diplodia shoot blight. |
| 5051008 |
Diplodia blight |
Sphaeropsis sapinea |
Diplodia shoot blight in a young red pine plantation on a poor site. |
| 5051009 |
Diplodia blight |
Sphaeropsis sapinea |
Shoot blight symptoms in a young red pine stand on a poor site. |
| 5051011 |
Diplodia blight |
Sphaeropsis sapinea |
Top dieback caused by Diplodia pinea in red pine. Bark has been removed to show the dark staining in the wood caused by Diplodia. |
| 5051012 |
Diplodia blight |
Sphaeropsis sapinea |
Collar rot and mortality in red pine caused by Diplodia. |
| 5051017 |
Diplodia blight |
Sphaeropsis sapinea |
Red pine stand with extensive advance regeneration. Such stands are susceptible to regeneration mortality caused by Diplodia pinea. |
| 5051022 |
Diplodia blight |
Sphaeropsis sapinea |
Shoot blight symptoms on red pine. |
| 5051025 |
Diplodia blight |
Sphaeropsis sapinea |
Setting up Diplodia shoot blight impact plots in a young red pine stand. |
| 5051026 |
Diplodia blight |
Sphaeropsis sapinea |
Diplodia shoot blight symptoms in overstory red pine. |
| 5051028 |
Diplodia blight |
Sphaeropsis sapinea |
Diplodia shoot blight symptoms in overstory red pine following a hail storm. |
| 5051029 |
Diplodia blight |
Sphaeropsis sapinea |
Heavy infection of red pine with Diplodia shoot blight on a poor site. |
| 5051030 |
Diplodia blight |
Sphaeropsis sapinea |
Red pine regeneration killed by Diplodia pinea. Infection of advance regeneration occurs from inoculum produced in the overstory. |
| 5051031 |
Diplodia blight |
Sphaeropsis sapinea |
Symptoms of Diplodia shoot blight in young red pine. |
| 5051032 |
Diplodia blight |
Sphaeropsis sapinea |
Diplodia shoot blight in red pine regeneration. |
| 5051033 |
Diplodia blight |
Sphaeropsis sapinea |
Dark staining in wood caused by Diplodia pinea infection. |
| 5051034 |
Diplodia blight |
Sphaeropsis sapinea |
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. |
| 5051037 |
Diplodia blight |
Sphaeropsis sapinea |
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. |
| 5051038 |
Diplodia blight |
Sphaeropsis sapinea |
Diplodia collar rot in jack pine |
| 5051039 |
Diplodia blight |
Sphaeropsis sapinea |
Dark staining in the wood of red pine infected with Diplodia pinea. |
| 5051040 |
Diplodia blight |
Sphaeropsis sapinea |
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. |
| 5051041 |
Diplodia blight |
Sphaeropsis sapinea |
Diplodia shoot blight symptoms in a red pine stand following a hail storm. |
| 5051042 |
Diplodia blight |
Sphaeropsis sapinea |
Diplodia shoot blight symptoms in a red pine stand following a hail storm. |
| 5051043 |
Diplodia blight |
Sphaeropsis sapinea |
Symptoms of Diplodia shoot blight in young red pine. |
| 5051044 |
Diplodia blight |
Sphaeropsis sapinea |
Tip blight caused by Diplodia pinea. |
| 5051046 |
Diplodia blight |
Sphaeropsis sapinea |
Dark staining in the wood of red pine infected with Diplodia pinea. |
| 5050050 |
Cyclaneusma needle cast |
Cyclaneusma minus |
Symptoms on needles. |
| 5050051 |
Cyclaneusma needle cast |
Cyclaneusma minus |
Severe infection on Scot's pine. |
| 5050052 |
Cyclaneusma needle cast |
Cyclaneusma minus |
Aerial spraying of the fungicide chlorothalonil for Cyclaneusma control |
| 5050053 |
Cyclaneusma needle cast |
Cyclaneusma minus |
Symptoms on needles. |
| 5050072 |
tar spot needlecast |
Davisomycella ampla |
Symptoms on second-year needles. |
| 5050073 |
tar spot needlecast |
Davisomycella ampla |
Symptoms and fruiting bodies (hysterothecia) on needles of jack pine. |
| 5049039 |
brown spot needle blight of pine |
Mycosphaerella dearnessii |
Brown spot needle blight. Demonstration of fungicide effectiveness. |
| 1473150 |
needlecast |
Davisomycella attenuata |
5/1/1967 |
| 5033078 |
Diplodia blight |
Sphaeropsis sapinea |
Diplodia shoot blight in red pine on poor site. |
| 5033080 |
Diplodia blight |
Sphaeropsis sapinea |
Diplodia shoot blight on red pine on poor site. |
| 5031086 |
Diplodia blight |
Sphaeropsis sapinea |
Red pine severely affected by Diplodia following a hail storm |
| 5031049 |
Rhizosphaera needle cast |
Rhizosphaera kalkhoffii |
|
| 5031068 |
Rhizosphaera needle cast |
Rhizosphaera kalkhoffii |
|
| 5031055 |
Rhizosphaera needle cast |
Rhizosphaera kalkhoffii |
Rhizosphaera needle cast on white spruce. Off color foliage. |
| 1949038 |
brown spot needle blight of pine |
Mycosphaerella dearnessii |
Mycosphaerella dearnessii infection on a Pinus palustris seedling. |
| 5031050 |
Rhizosphaera needle cast |
Rhizosphaera kalkhoffii |
Rhizosphaera needle cast associated with a decline of white spruce in Wisconsin |
| 5031053 |
Rhizosphaera needle cast |
Rhizosphaera kalkhoffii |
Rhizosphaera needle cast on lower branches of white spruce. |
| 5031054 |
Rhizosphaera needle cast |
Rhizosphaera kalkhoffii |
Rhizosphaera needle cast on white spruce windbreaks in a nursery. |
| 5031060 |
Rhizosphaera needle cast |
Rhizosphaera kalkhoffii |
Off color foliage infected with Rhizosphaera kalkhoffii. |
| 5050088 |
Diplodia blight |
Sphaeropsis sapinea |
Main stem Diplodia infection on jack pine. |
| 1473159 |
pine needle cast |
Lophodermella cerina |
Left to Right: Healthy, Light, Heavy (upper) and Discolor (lower) |
| 1473160 |
pine needle cast |
Lophodermella cerina |
|
| 1473161 |
pine needle cast |
Lophodermella cerina |
|
| 1473260 |
pine needle cast |
Lophodermella cerina |
Lophodermella cerina center in ponderosa; NM, Lincoln Co., Mescalero Apache IR, Upper Fence Canyon |
| 2145035 |
Gynosporanium rusts |
Gymnosporangium spp. |
Epicormic branching/brooming possibly from G. speciosum (G. bethelii and G. nelsonii noted in NM); |
| 2142018 |
Gynosporanium rusts |
Gymnosporangium spp. |
telia; likely Gymnosporangium speciosum |
| 1473133 |
needle cast |
Bifusella linearis |
|
| 1473132 |
needle cast |
Bifusella saccata |
|
| 1473148 |
needlecast |
Lophodermella montivaga |
photo taken 1967 |
| 1473149 |
needlecast |
Lophodermella montivaga |
photo taken 6/1/1967 |
| 1473157 |
Medusa needle blight |
Davisomycella medusa |
photo taken 8/1/1967 |
| 1473158 |
pine needle cast |
Lophodermella cerina |
also one Ips killed tree on the right |
| 1473129 |
needle cast |
Bifusella saccata |
1963 |
| 1473130 |
needle cast |
Bifusella saccata |
1963 |
| 5051018 |
Diplodia blight |
Sphaeropsis sapinea |
|
| 5051003 |
Diplodia blight |
Sphaeropsis sapinea |
|
| 5051004 |
Diplodia blight |
Sphaeropsis sapinea |
|
| 5050096 |
Diplodia blight |
Sphaeropsis sapinea |
|
| 5033079 |
Diplodia blight |
Sphaeropsis sapinea |
|
| 5050097 |
Diplodia blight |
Sphaeropsis sapinea |
|
| 5051019 |
Diplodia blight |
Sphaeropsis sapinea |
|
| 5051020 |
Diplodia blight |
Sphaeropsis sapinea |
|
| 5051021 |
Diplodia blight |
Sphaeropsis sapinea |
|
| 1473200 |
pine needle cast |
Lophodermella cerina |
close up of original infection center from intersection of Walken and Snowdrift Roads |
| 1473253 |
pine needle cast |
Lophodermella cerina |
|
| 1473254 |
pine needle cast |
Lophodermella cerina |
original infestation center |
| 1473255 |
pine needle cast |
Lophodermella cerina |
|
| 1473199 |
pine needle cast |
Lophodermella cerina |
on Ponderosa pine plantation; 7/1/1967, |
| 1473256 |
pine needle cast |
Lophodermella cerina |
moderate infection |
| 1473257 |
pine needle cast |
Lophodermella cerina |
heavy infection |
| 1473258 |
pine needle cast |
Lophodermella cerina |
heavy infection |
| 1473259 |
pine needle cast |
Lophodermella cerina |
|
| 1473261 |
pine needle cast |
Lophodermella cerina |
close up of all classes of Lophodermella cerina infected needles from Hassayampa Lake area (healthy, light, moderate, heavy); 5/1/1959 |
| 1473263 |
pine needle cast |
Lophodermella cerina |
6/23/1966 |
| 1473266 |
Elytroderma needle cast of pine |
Elytroderma deformans |
|
| 5202099 |
poplar rust |
Melampsora medusae |
The causal agent of poplar leaf rust (also called conifer-aspen rust) fruiting on tamarack. |
| 5031044 |
Diplodia blight |
Sphaeropsis sapinea |
Heavy mortality in red pine seedlings, caused by spores from infected overstory trees |
| 5031047 |
Rhizosphaera needle cast |
Rhizosphaera kalkhoffii |
Rhizosphaera needle cast on white spruce. |
| 5031056 |
Rhizosphaera needle cast |
Rhizosphaera kalkhoffii |
Rhizosphaera needle cast symptoms on white spruce. |
| 5031058 |
Rhizosphaera needle cast |
Rhizosphaera kalkhoffii |
Sporocarps of Rhizosphaera emerge from the stomata. The sporocarps are black, and the stomata are often capped with a white waxy plug, which sometimes can be seen on the top of the sporocarps. |
| 5031059 |
Rhizosphaera needle cast |
Rhizosphaera kalkhoffii |
Symptoms of Rhizosphaera needle cast, which can be a component of the spruce decline syndrome. |
| 1503012 |
needlecast |
Stigmina deflectens |
Needle cast |
| 1503013 |
needlecast |
Stigmina deflectens |
Needle cast |
| 1504023 |
needlecast |
Stigmina deflectens |
Needle cast; white pine; Edwards Nursery |
| 1504024 |
needlecast |
Stigmina deflectens |
Needle cast; white pine; Edwards Nursery |
| 1504025 |
needlecast |
Stigmina deflectens |
Needle cast; white pine; Edwards Nursery |
| 1502095 |
brown spot needle blight of pine |
Mycosphaerella dearnessii |
Brown spot; longleaf pine |
| 1502097 |
brown spot needle blight of pine |
Mycosphaerella dearnessii |
Brown spot; longleaf pine |
| 1502098 |
brown spot needle blight of pine |
Mycosphaerella dearnessii |
Brown spot; longleaf pine |
| 1503001 |
brown spot needle blight of pine |
Mycosphaerella dearnessii |
Brown spot; longleaf pine |
| 1502099 |
brown spot needle blight of pine |
Mycosphaerella dearnessii |
Brown spot; longleaf pine; Erambert Seed Orchard |
| 1503017 |
needle blight of cedar |
Didymascella thujina |
Needle blight; red cedar |
| 1503018 |
needle blight of cedar |
Didymascella thujina |
Needle blight; red cedar |
| 1503019 |
needle blight of cedar |
Didymascella thujina |
Needle blight; red cedar; pycnidia |
| 1503020 |
needle blight of cedar |
Didymascella thujina |
Needle blight; red cedar; pycnidia |
| 5029013 |
Diplodia blight |
Sphaeropsis sapinea |
Main stem infection causing death of top. |
| 5029014 |
Diplodia blight |
Sphaeropsis sapinea |
Sphaeropsis sapinea and Diplodia scrobiculata can cause shoot blight in jack pine. |
| 5029015 |
Diplodia blight |
Sphaeropsis sapinea |
Heavy infection and shoot mortality in larger trees following a hail storm. |
| 5029016 |
Diplodia blight |
Sphaeropsis sapinea |
Severe shoot blight on a very poor site. |
| 5029018 |
Diplodia blight |
Sphaeropsis sapinea |
Dark discoloration in infected wood of red pine. |
| 1479003 |
Sirococcus blight of conifers |
Sirococcus conigenus |
|
| 1479004 |
Sirococcus blight of conifers |
Sirococcus conigenus |
Needle droop, one of the symptoms that can indicate sirococcus blight on red pine. Photo taken on the Chequamegon National Forest in northern Wisconsin. |
| 3036087 |
pine needle cast |
Lophodermium pinastri |
symptoms on pine |
| 3037022 |
Diplodia blight |
Sphaeropsis sapinea |
Diplodia pinea, red pine Chippewa, asexual stage |
| 3036003 |
pine needle rusts |
Coleosporium spp. |
Aecial pustules of a needle rust on pine needles, MN |
| 5041001 |
Sirococcus blight of conifers |
Sirococcus conigenus |
|
| 5041003 |
Sirococcus blight of conifers |
Sirococcus conigenus |
|
| 5041005 |
Sirococcus blight of conifers |
Sirococcus conigenus |
|
| 5041006 |
Sirococcus blight of conifers |
Sirococcus conigenus |
|
| 5041007 |
Sirococcus blight of conifers |
Sirococcus conigenus |
|
| 5040097 |
Sirococcus blight of conifers |
Sirococcus conigenus |
repeated infection |
| 5040098 |
Sirococcus blight of conifers |
Sirococcus conigenus |
|
| 5040094 |
Sirococcus blight of conifers |
Sirococcus conigenus |
current year shoots |
| 5040095 |
Sirococcus blight of conifers |
Sirococcus conigenus |
droop symptoms |
| 5046047 |
Sirococcus blight of conifers |
Sirococcus conigenus |
seedling mortality |
| 5046049 |
Sirococcus blight of conifers |
Sirococcus conigenus |
|
| 5031092 |
Sirococcus blight of conifers |
Sirococcus conigenus |
infection in frosted shoot |
| 5031093 |
Sirococcus blight of conifers |
Sirococcus conigenus |
shoot blight in frost affected area |
| 5031094 |
Sirococcus blight of conifers |
Sirococcus conigenus |
|
| 5031095 |
Sirococcus blight of conifers |
Sirococcus conigenus |
sporocarp |
| 5058084 |
Sirococcus blight of conifers |
Sirococcus conigenus |
|
| 5058087 |
Sirococcus blight of conifers |
Sirococcus conigenus |
|
| 5041056 |
Diplodia blight |
Sphaeropsis sapinea |
branch mortality |
| 5041053 |
Diplodia blight |
Sphaeropsis sapinea |
|
| 5041083 |
Diplodia blight |
Sphaeropsis sapinea |
|
| 5041084 |
Diplodia blight |
Sphaeropsis sapinea |
shoot blight in understory |
| 5041086 |
Diplodia blight |
Sphaeropsis sapinea |
shoot blight on overstory branch |
| 5041087 |
Diplodia blight |
Sphaeropsis sapinea |
|
| 5041088 |
Diplodia blight |
Sphaeropsis sapinea |
shoot blight on understory tree |
| 5041090 |
Diplodia blight |
Sphaeropsis sapinea |
|
| 5041095 |
Diplodia blight |
Sphaeropsis sapinea |
|
| 5041096 |
Diplodia blight |
Sphaeropsis sapinea |
|
| 5041078 |
Diplodia blight |
Sphaeropsis sapinea |
|
| 5041080 |
Diplodia blight |
Sphaeropsis sapinea |
shoot blight in overstory |
| 5041081 |
Diplodia blight |
Sphaeropsis sapinea |
shoot blight in overstory |
| 5041082 |
Diplodia blight |
Sphaeropsis sapinea |
shoot blight in windbreak |
| 5041057 |
Diplodia blight |
Sphaeropsis sapinea |
cambial staining |
| 5041059 |
Diplodia blight |
Sphaeropsis sapinea |
canker on main stem |
| 5041060 |
Diplodia blight |
Sphaeropsis sapinea |
discolored wood |
| 5041066 |
Diplodia blight |
Sphaeropsis sapinea |
|
| 5041073 |
Diplodia blight |
Sphaeropsis sapinea |
seedling mortality in understory |
| 5041074 |
Diplodia blight |
Sphaeropsis sapinea |
severe infection in large tree |
| 5042003 |
Diplodia blight |
Sphaeropsis sapinea |
top kill |
| 5059031 |
Swiss needle cast |
Phaeocryptopus gaeumannii |
|
| 5059032 |
Swiss needle cast |
Phaeocryptopus gaeumannii |
|
| 5057098 |
Ploioderma needle cast of pine |
Ploioderma lethale |
|
| 5040079 |
Diplodia blight |
Sphaeropsis sapinea |
shelterwood with Sphaeropsis |
| 5040080 |
Diplodia blight |
Sphaeropsis sapinea |
shelterwood with Sphaeropsis |
| 5040078 |
Diplodia blight |
Sphaeropsis sapinea |
shelterwood modified after Sphaeropsis |
| 5058038 |
Diplodia blight |
Sphaeropsis sapinea |
shoot regeneration |
| 5055086 |
needle blight of larch |
Meria laricis |
|
| 5055088 |
needle blight of larch |
Meria laricis |
|
| 5055089 |
needle blight of larch |
Meria laricis |
|
| 5055090 |
needle blight of larch |
Meria laricis |
|
| 5038035 |
Diplodia blight |
Sphaeropsis sapinea |
|
| 5055014 |
larch needle cast |
Hypodermella laricis |
needle reflush |
| 5051068 |
Elytroderma needle cast of pine |
Elytroderma deformans |
|
