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Mexican Petunia Scale Infestation: Systemic + Oil Treatment

Pest ID

White, hard, clamped bumps = scale insects. "Pest-free" reputation is false.

Treatment

Systemic: Bayer Rose & Flower drench (follow label).
Contact: Horticultural oil (Organocide, Ultra-Fine) sprayed on scales.

Warning

Systemic not for edibles (citrus, vegetables).

Tropical Plants: Pine Borer/Beetle Infestation Killing White Pines; Scale on Mexican Petunia: Treat Without Harming Butterfly Caterpillars; Mexican Petunia in Texas Hill Country: Not Deer-Resistant — Try Jasmine Instead; Mysterious White Koi Deaths in Winter; Petunia 'Dreams White': Pure White for Summer; Petunia 'Picobella White': Miniature Pure White; Petunia 'Ultra White': Pure White Grandiflora; Petunia Mexican: Tall Purple Blooms for Warm Season Color; Overwintering Mexican Petunia (Ruellia simplex) in Georgia: Dieback, Companions, and Invasiveness; Mexican Petunia (Ruellia): Invasive Potential and Dwarf Alternatives

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