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Roses > Stem > Wound on stems

1 of 2
  • Canker 1
    Credit: Michelle Grabowski
  • Canker 2

    Credit: Michelle Grabowski

  • Canker 3

    Credit: Michelle Grabowski

  • - CLICK PHOTOS TO ENLARGE -

green arrowCanker
Several different fungi

  • Dead branch within otherwise healthy plant
  • Light colored blotches or patches, often with a reddish purple border, along dead stem
  • Some patches may have flaky, loose or cracked epidermis (surface layer)
  • Tiny black bumps may be seen on dead area of stem
2 of 2
  • Rodent Damage 1
    Credit: David Zlesak
  • Rodent Damage 2

    Credit: David Zlesak

  • Rodent Damage 3

    Credit: David Zlesak

  • - CLICK PHOTOS TO ENLARGE -

green arrowRodent Damage
Rabbits, mice, voles, and other rodents

  • Leaves fail to leaf out or leaf out very poorly in the spring
  • Bark is removed around the base of the cane and there are signs of chewing or gnawing
  • If chewing occurred in the roots, plant may be wobbly and loosely anchored in the ground

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