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White Sticky Substance at Stem Joints: Likely Mealybugs

White cottony material at stem joints is typically mealybugs. To confirm and advise, I need:

  • Plant species.
  • Clear photo (email to wcreed@HorticulturalHelp.com).

Treatment is the same as for any mealybug infestation: thorough spray coverage with alcohol solution or horticultural oil, repeated in 5–7 days.

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