coronavirus

Canker in Plum Tree

How to identify and treat canker in Plum Tree.

potted_plant

Plum Tree care requirements

water
Regular, consistent watering during growing season; reduce frequency in dormancy; avoid waterlogging
soil
Well-draining, loamy soil; pH 6.0–6.5 preferred; tolerates various soil types when drainage is good
light
Full sun (6–8 hours daily); essential for fruit development and sweetness
symptoms

Symptoms to look for in Plum Tree

  • fiber_manual_recordSunken, discolored, or cracked lesions on bark, stems, or branches
  • fiber_manual_recordOozing sap or dark staining around the lesion
  • fiber_manual_recordDieback of the branch or stem beyond the canker site
help

Common causes in Plum Tree

Canker is a general term for localized bark and wood lesions caused by various fungal pathogens (such as Nectria or Cytospora) or, less commonly, bacteria, which typically enter through wounds, pruning cuts, or frost damage, especially on stressed plants.

healing

How to treat canker in Plum Tree

Prune out affected branches well below the canker margin, disinfecting tools between cuts, and improve overall plant vigor to help it resist further infection.

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Preventing canker in Plum Tree

Avoid wounding bark, prune during dry weather, and keep plants well watered and fed to reduce stress that predisposes them to infection.

Canker in Plum Tree — Symptoms & Treatment | GreenScout