| Image |
Descriptor |
Description |
Photographer |
| 5369028 |
Asexual Spore |
Spores of the anamorph fungus Dothistroma septosporum. |
Paul Bachi |
| 2251051 |
Fruiting Bodies |
|
Robert L. James |
| 0176051 |
Fruiting Bodies |
Dothistroma (Mycosphaerella pini anamorph) acervulus (transverse section); note hyaline mass. |
H.C. Evans |
| 0656022 |
Fruiting Bodies |
Mycosphaerella pini on Pinus maximinoi; note aggregated, strongly erumpent ascostromata with needle reddening. Compare with No. 0656021. |
H.C. Evans |
| 1467391 |
Fruiting Bodies |
|
USDA Forest Service - Ogden Archive |
| 0176049 |
Sign |
Dothistroma anamorph of Mycosphaerella pini; note prominent, aggregated acervuli and exposed conidiogenous tissues. |
H.C. Evans |
| 1241611 |
Sign |
Distinctive red transverse bands in which the fungus forms fruiting bodies. |
Robert L. James |
| 2111013 |
Sign |
close view at infected died needles; October 2000 |
Petr Kapitola |
| 2111025 |
Sign |
close view at infected died needles; October 2000 |
Petr Kapitola |
| 5220095 |
Sign |
|
Division of Plant Industry Archive |
| 5220096 |
Sign |
|
Division of Plant Industry Archive |
| 5335009 |
Symptoms |
|
Mary Ann Hansen |
| 5369025 |
Symptoms |
Infected needles show brown spots with dark border and/or dead tips with dark border between dead and healthy portion of the needle. |
Paul Bachi |
| 5369026 |
Symptoms |
Needles show brown spots with dark border. |
Paul Bachi |
| 5369027 |
Symptoms |
Close-up of dead needle tip with black, spore-producing bodies ("acervuli") breaking through needle surface. |
Paul Bachi |
| 2251048 |
Symptoms |
infected needles on ponderosa pine |
Robert L. James |
| 2251049 |
Symptoms |
|
USDA Forest Service Archive |
| 2251050 |
Symptoms |
close-up view of infected lodgepole pine |
USDA Forest Service Archive |
| 5051054 |
Symptoms |
|
Joseph O'Brien |
| 1371052 |
Symptoms |
15 year old pine. Filakovo, Slovakia |
Andrej Kunca |
| 1371053 |
Symptoms |
Infection moving from older to younger needles. Filakovo, Slovakia |
Andrej Kunca |
| 1371054 |
Symptoms |
Severely infected last year needles. Filakovo, Slovakia |
Andrej Kunca |
| 1415042 |
Symptoms |
May 30, 2002 |
Andrej Kunca |
| 1415043 |
Symptoms |
May 30, 2002 |
Andrej Kunca |
| 1415044 |
Symptoms |
May 30, 2002 |
Andrej Kunca |
| 1415175 |
Symptoms |
May 16, 2003 |
Andrej Kunca |
| 1415177 |
Symptoms |
June 9, 2003 |
Andrej Kunca |
| 1415178 |
Symptoms |
June 9, 2003 |
Andrej Kunca |
| 1467389 |
Symptoms |
|
USDA Forest Service - Ogden Archive |
| 1467390 |
Symptoms |
|
USDA Forest Service - Ogden Archive |
| 0176047 |
Symptoms |
showing infection of both young and old foliage. |
H.C. Evans |
| 0364023 |
Symptoms |
infected needles on Austrian pine |
Robert L. Anderson |
| 0656020 |
Symptoms |
Mycosphaerella pini (red band needle blight) on Pinus maximinoi; note general reddening of needles. |
H.C. Evans |
| 1470122 |
Symptoms |
|
A. Steven Munson |
| 2111012 |
Symptoms |
damage to Austrian pine; October 2000 |
Frantisek Soukup |
| 1241609 |
Symptoms |
Mycosphaerella needle blight on a ponderosa pine sapling. |
Robert L. James |
| 1241610 |
Symptoms |
A light infection. |
Susan K. Hagle |
