black knot

black knot

n.

black knot

Black Knot
Dibotryon morbosum (Schw.) Theiss & Syd. Apiosporina morbosa (Schw.) Arx), Plowrightia morbosum

HOSTS are members of the genus, Prunus, mainly affecting cultivated plum, prune and cherry and to a lesser extent wild plum and cherry

  1. A disease which affects cherry and plum trees with hard, blackish swelling forming on branches.
  2. The fungus which causes this disease.

References and Further Reading

  • Webster's New World Dictionary of the American Language (College Edition) ©1955
  • Black Knot, Wayne F. Wilcox, Department of Plant Pathology, NYS Agricultural Experiment Station, Cornell University
  • Black Knot Disease
  • APSnet > Education > Introductory > Plant Disease Lessons > Fungi and Fungus-like Organisms > Ascomycetes/Imperfect Fungi

    • 1 comment:

    1. UnknownAugust 7, 2013 at 7:36 AM

      The black knot fungus sounds awful. I'd hate to get that stuff in my yard. Is it easy to get rid of? Or do you need professional help usually?

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