brown spot needle blight of pine

Diseases: Foliage Diseases
Dothideomycetes > Incertae sedis > Mycosphaerellaceae > Mycosphaerella dearnessii M.E. Barr

62 records

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brown spot needle blight of pine, Mycosphaerella dearnessii  (Incertae sedis: Mycosphaerellaceae) Asexual Spore
1503006

Asexual Spore
conidia
USDA Forest Service - Region 8 Archive

brown spot needle blight of pine, Mycosphaerella dearnessii  (Incertae sedis: Mycosphaerellaceae) Control
0364026

Control
prescribed burn for the control of brown spot (before)
USDA Forest Service Archive

brown spot needle blight of pine, Mycosphaerella dearnessii  (Incertae sedis: Mycosphaerellaceae) Control
1361139

Control
Benomyl treated right
Albert Kais

brown spot needle blight of pine, Mycosphaerella dearnessii  (Incertae sedis: Mycosphaerellaceae) Foliage
4823029

Foliage
Normal-uninfected grass stage seedling.
Edward L. Barnard

brown spot needle blight of pine, Mycosphaerella dearnessii  (Incertae sedis: Mycosphaerellaceae) Fruiting Bodies
0176050

Fruiting Bodies
Lecanosticta (Mycosphaerella dearnessii anamorph) acervulus (transverse section); note dark (green) spore mass.
H.C. Evans

brown spot needle blight of pine, Mycosphaerella dearnessii  (Incertae sedis: Mycosphaerellaceae) Fruiting Bodies
0176052

Fruiting Bodies
Asci of Mycosphaerella dearnessii.
H.C. Evans

brown spot needle blight of pine, Mycosphaerella dearnessii  (Incertae sedis: Mycosphaerellaceae) Fruiting Bodies
0176053

Fruiting Bodies
Ascospores of Mycosphaerella dearnessii.
H.C. Evans

brown spot needle blight of pine, Mycosphaerella dearnessii  (Incertae sedis: Mycosphaerellaceae) Fruiting Bodies
0176054

Fruiting Bodies
Lecanosticta conidia, to show variation in spore form with increasing altitude, on Pinus caribaea; compare with compare with Nos. UGA0176055 and UGA0176056 to note decrease in size, septation, pigmentation and ornamentation with increasing altitude.
H.C. Evans

brown spot needle blight of pine, Mycosphaerella dearnessii  (Incertae sedis: Mycosphaerellaceae) Fruiting Bodies
0176055

Fruiting Bodies
Lecanosticta conidia, to show variation in spore form with increasing altitude, on Pinus oocarpa; compare with Nos. UGA0176054 and UGA0176056 to note decrease in size, septation, pigmentation and ornamentation with increasing altitude.
H.C. Evans

brown spot needle blight of pine, Mycosphaerella dearnessii  (Incertae sedis: Mycosphaerellaceae) Fruiting Bodies
0176056

Fruiting Bodies
Lecanosticta conidia, to show variation in spore form with increasing altitude, on Pinus maximinoi; compare with Nos. UGA0176054 and UGA0176055 to note decrease in size, septation, pigmentation and ornamentation with increasing altitude.
H.C. Evans

brown spot needle blight of pine, Mycosphaerella dearnessii  (Incertae sedis: Mycosphaerellaceae) Fruiting Bodies
1949034

Fruiting Bodies

Acervuli of Mycosphaerella dearnessii on Pinus sylvestris needles.


Darroll D. Skilling

brown spot needle blight of pine, Mycosphaerella dearnessii  (Incertae sedis: Mycosphaerellaceae) Fruiting Bodies
1949036

Fruiting Bodies

Conidia of Mycosphaerella dearnessii.


Albert Kais

brown spot needle blight of pine, Mycosphaerella dearnessii  (Incertae sedis: Mycosphaerellaceae) Fruiting Bodies
0656021

Fruiting Bodies
Mycosphaerella dearnessii on Pinus oocarpa; note linearly arranged, solitary erumpent ascostromata. Compare with No. 0656022
H.C. Evans

brown spot needle blight of pine, Mycosphaerella dearnessii  (Incertae sedis: Mycosphaerellaceae) Infestation
4823027

Infestation
Extensive patches in nursery beds
Edward L. Barnard

brown spot needle blight of pine, Mycosphaerella dearnessii  (Incertae sedis: Mycosphaerellaceae) Prescribed Fire
3035077

Prescribed Fire
Fire used for control in infected stand
Robert L. Anderson


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