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Extension > Garden > Diagnose a problem > What's wrong with my plant? > Deciduous > Weigelea > Tumor-like swellings near soil line

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Weigelea > Stems/branches > Tumor-like swellings near soil line

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Crown gall
Agrobacterium tumefaciens

  • Leaves wilt and die, plants grow poorly
  • Round to irregular woody overgrowth or tumor at soil line or on roots
  • Young galls are soft, light green or white
  • Old galls are hard, dark colored or black
  • Occasionally galls are seen higher on the stem
  • More information on crown gall

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