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Balsam fir tip blight

Balsam fir tip blight - Symptoms of Delphinella blight on subalpine fir
  • Latin name: Delphinella balsameae (Waterm.) E. Müller
  • French name: Brûlure des pousses à Delphinella balsameae
  • Division: Ascomycota
  • Class: Dothideales
  • Synonym(s): Rehmiellopsis balsameae A.M. Waterman


Needle, Annual shoot



Damage, symptoms and biology

Fruiting bodies develop on the needles and young shoots after they have turned from green to brown. The fruiting bodies release their spores into the air the following spring, infecting the new foliage, and the cycle starts over.

Other information

Young fir shoots wilt and shrivel, and are killed soon after they appear. The needles drop prematurely, leaving bare shoots.

Canadian Forest Service Publications

Balsam fir tip blight

Information on host(s)

Main host(s)

Balsam fir, subalpine fir