Leaf spot (Mycosphaerella populicola)

Leaf spot (<em>Mycosphaerella populicola</em>) - Leaf spots on hybrid poplar caused by <em>Mycosphaerella populicola</em>
  • Latin name: Mycosphaerella populicola G. E. Thompson
  • French name: Tache des feuilles à Mycosphaerella populicola
  • Division: Ascomycota
  • Class: Capnodiales
  • Synonym(s): Septoria populicola Peck
Description

Micro-habitat(s)

Leaf

Distribution

Canada

Damage, symptoms and biology

Circular black leaf spots form on both sides of leaves.

This fungus causes severe defoliation of balsam poplar in several large areas of Ontario almost every year.

Other information

Septoria populicola is the asexual stage (anamorph) of Mycosphaerella populicola.

Canadian Forest Service Publications

Leaf spot (Mycosphaerella populicola)

Information on host(s)

Main host(s)

Balsam poplar, black cottonwood, trembling aspen

Photos
  • Leaf spot (<em>Mycosphaerella populicola</em>) Leaf spots on hybrid poplar caused by Mycosphaerella populicola
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