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Diseases - Foliage Diseases

Remove Filters: Rhytismatales(X) Symptoms(X)
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Image Subject Name Scientific Name Description
5488287 needlecasts Davisomycella spp. Hysterothecia evident in symptomatic needles
1503011 Lophodermium needle casts Lophodermium spp. Brown spot needle cast; loblolly pine
5488289 Lophodermium needle casts Lophodermium spp. Symptomatic infected foliage
5458337 tar spot of maple Rhytisma acerinum Black tar-like fruiting structures on the upper side of leaves are diagnostic signs of giant tar spot.
1415093 pine needle cast Lophodermium pinastri Needlecast. July 16, 2002
0485002 Ploioderma needle cast of pine Ploioderma lethale advanced symptoms
1467361 Elytroderma needle cast of pine Elytroderma deformans
4823056 pine needle cast Lophodermella cerina Hysterothecia, small (1-2 mm), black elongated fruting bodies which produce ascospores, on necrotic needles. Also present are the smaller conidiomata.
2251058 pine needle cast Lophodermium pinastri severe infection
2251036 larch needle cast Hypodermella laricis diseased needles
1406073 Lophodermium needle casts Lophodermium spp.
1398006 Lophodermium needle casts Lophodermium spp.
1371071 pine needle cast Lophodermium pinastri Yellow to red bands - first symptoms of the needle infection in autumn. Malacky, Slovakia
0485001 Ploioderma needle cast of pine Ploioderma lethale
1406071 pine needle cast Lophodermium pinastri
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
4554042 tar spots Rhytisma spp.
1406196 tar spot needlecast Davisomycella ampla
1467365 Elytroderma needle cast of pine Elytroderma deformans
4212092 tar spot needlecast Davisomycella ampla heavy infection
4823058 Lophodermium needle casts Lophodermium spp. Healthy trees (left), severe infection (center), moderate infection (right).
4178020 pine needle cast Lophodermella cerina infected needles in Loblolly pine crown
2251055 lodgepole pine needle cast Lophodermella concolor systematic needles
1371070 pine needle cast Lophodermium pinastri Needle-cast on the sandy stand at the end of winter. Malacky, Slovakia
1415092 pine needle cast Lophodermium pinastri Needlecast. July 16, 2002
1415091 pine needle cast Lophodermium pinastri Needlecast. July 16, 2002
1415173 pine needle cast Lophodermium pinastri May 16, 2003
1415015 pine needle cast Lophodermium pinastri May 2, 2005
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.
1467366 Elytroderma needle cast of pine Elytroderma deformans
1415016 pine needle cast Lophodermium pinastri needlecast. May 2, 2005
2652012 spruce needle cast/blight Lirula macrospora in southeast Alaska
1415014 pine needle cast Lophodermium pinastri May 2, 2005
2251079 tar spot of maple Rhytisma acerinum early stage on maple leaves
4544091 needlecast Meloderma desmazieri
1467367 Elytroderma needle cast of pine Elytroderma deformans
4178006 pine needle cast Lophodermella cerina Loblolly pine, Camp Livingston
1436142 tar spot of maple Rhytisma acerinum
1415088 pine needle cast Lophodermium pinastri Needlecast. July 16, 2002
2251046 Elytroderma needle cast of pine Elytroderma deformans symptomatic needles and upturned branches
1241574 fir needle casts Lirula spp. Symptom pattern on fir branches. The red foliage was infected in the previous year.
2169014 tar spot of maple Rhytisma acerinum Salaj County, Central Romania (1 september, 2005)
1415193 spruce needle cast/blight Lirula macrospora June 20, 2003
1241613 lodgepole pine needle cast Lophodermella concolor Lophodermella concolor turns needles bright red-brown just before bud break in the spring.
1406067 Lophodermium needle casts Lophodermium spp.
4212090 tar spot needlecast Davisomycella ampla symptomatic needles
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.
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.
1241586 larch needle cast Hypodermella laricis Larch needle blight causes needles to droop on branches turning red the first year.
1415017 pine needle cast Lophodermium pinastri May 2, 2005
2251038 tar spot needlecast Davisomycella ampla Douglas-fir Christmas tree plantation
1415172 pine needle cast Lophodermium pinastri On seedlings. May 16, 2003
0534060 tar spot of maple Rhytisma acerinum
0534059 tar spot of maple Rhytisma acerinum
0534038 spruce needle cast Lophodermium piceae
1415171 Lophodermium needle casts Lophodermium spp. May 16, 2003
1467382 Medusa needle blight Davisomycella medusa
1406065 pine needle cast Lophodermium pinastri 17 Maneb sprays and check bed
1406062 pine needle cast Lophodermium pinastri
2251059 pine needle cast Lophodermium pinastri infected needles
1406060 Lophodermium needle casts Lophodermium spp.
4212091 tar spot needlecast Davisomycella ampla
2251034 larch needle cast Hypodermella laricis large area of injury
2251033 larch needle cast Hypodermella laricis symptomatic needles
4823057 Lophodermium needle casts Lophodermium spp. Severe infection.
1406061 pine needle cast Lophodermium pinastri
1415267 needle cast Lophodermium seditiosum
1241615 white pine needlecast Lophodermella arcuata Chronic infection has killed all except the current season's foliage.
4212086 tar spot of maple Rhytisma acerinum early stage on leaves
1241506 Elytroderma needle cast of pine Elytroderma deformans Witches brooms form in systemically infected branches.
1467368 Elytroderma needle cast of pine Elytroderma deformans witch's broom
1467120 Elytroderma needle cast of pine Elytroderma deformans
1415090 pine needle cast Lophodermium pinastri Needlecast. July 16, 2002
1361143 Lophodermium needle casts Lophodermium spp.
1415192 spruce needle cast/blight Lirula macrospora June 20, 2003
5050050 Cyclaneusma needle cast Cyclaneusma minus Symptoms on needles.
5050051 Cyclaneusma needle cast Cyclaneusma minus Severe infection on Scot's pine.
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.
5382861 spruce needle cast/blight Lirula macrospora
5382862 spruce needle cast/blight Lirula macrospora
5382863 spruce needle cast/blight Lirula macrospora
5382864 spruce needle cast/blight Lirula macrospora
5382865 spruce needle cast/blight Lirula macrospora
5382866 spruce needle cast/blight Lirula macrospora
5382867 spruce needle cast/blight Lirula macrospora
5382868 spruce needle cast/blight Lirula macrospora
1473150 needlecast Davisomycella attenuata 5/1/1967
5379647 tar spot of maple Rhytisma acerinum stromata
5379648 tar spot of maple Rhytisma acerinum stromata
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
5366825 Elytroderma needle cast of pine Elytroderma deformans Witches broom on ponderosa pine (Pinus ponderosa) caused by Elytroderma needle cast fungus (Elytroderma deformans).
5366827 needle cast Bifusella saccata Limber pine (Pinus flexilis) afflicted with the needlecast fungus (Hypoderma saccatum).
5366826 Elytroderma needle cast of pine Elytroderma deformans Ponderosa pine with witches' brooms and needlecast symptoms of needle cast fungus of pine (Elytroderma deformans).
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
1473130 needle cast Bifusella saccata 1963
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
1473253 pine needle cast Lophodermella cerina
1473254 pine needle cast Lophodermella cerina original infestation center
1473263 pine needle cast Lophodermella cerina 6/23/1966
1473199 pine needle cast Lophodermella cerina on Ponderosa pine plantation; 7/1/1967,
1473266 Elytroderma needle cast of pine Elytroderma deformans
5258066 tar spot of maple Rhytisma acerinum
5258067 tar spot of maple Rhytisma acerinum
5258068 tar spot of maple Rhytisma acerinum
5202068 tar spot Rhytisma americanum Raised spots of leaf; Photo taken in August in Ramsey Co., MN
5202069 tar spot Rhytisma americanum Raised spots on leaf; Photo taken in August in Ramsey Co., MN
3036087 pine needle cast Lophodermium pinastri symptoms on pine
5057098 Ploioderma needle cast of pine Ploioderma lethale
5051068 Elytroderma needle cast of pine Elytroderma deformans
5055040 needle cast Lophodermium seditiosum
5055041 needle cast Lophodermium seditiosum
5050046 Cyclaneusma needle cast Cyclaneusma minus
5050047 Cyclaneusma needle cast Cyclaneusma minus
2112093 pine needle cast Lophodermium pinastri damage to Scots pine plants
2113095 pine needle cast Lophodermium pinastri damage to Scots pine plants (in the middle of the picture)
2111024 pine needle cast Lophodermium pinastri damage to Scots pine plantation
2110083 needlecast Meloderma desmazieri a died twig of eastern white pine; August 1999
2110084 needlecast Meloderma desmazieri damage to eastern white pine; August 2001
2111014 needlecast Meloderma desmazieri damage to eastern white pine; August 2001
2110052 spruce needle cast Lophodermium piceae fruiting bodies on needles; December 2000
2111023 pine needle cast Lophodermium pinastri damage to Scots pine plants
2110051 spruce needle cast/blight Lirula macrospora fruiting bodies on needles
1467369 Elytroderma needle cast of pine Elytroderma deformans
1241607 pine needle cast Lophodermium nitens Needle casts and blights are most evident in lower crowns of trees. In severe infections such as this all except the current season's foliage are gone or dead. This is lophodermium nitens on western white pine.
1241505 Elytroderma needle cast of pine Elytroderma deformans Cambium of infected branches has small pockets of dark resin.
2251035 larch needle cast Hypodermella laricis diseased needles
0364002 tar spots Rhytisma spp. closeup view of leaf damage

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