Fire Blight on Pear and Apple: Streptomycin Spray at Bud Break

Fire Blight on Pear and Apple: Streptomycin Spray at Bud Break

Western NC pear and apple trees with recurring fire blight: don't prune to stumps; only branch tips affected (6–12 inches). Use antibiotic spray.

Program

• Fertilome Fire Blight Spray (streptomycin sulfate) at first bud break.
• Two applications 7–10 days apart.
• Fire blight favored by wind/rain; severity varies yearly.

Outlook

Disease endemic; manage not eradicate. Streptomycin prevents infection; good crops possible with timely spray.