Fireblight
Erwinia amylovora
This description was machine-translated.
How to spot it
Fireblight is a highly contagious bacterial disease of stone fruit and related rose plants, and in many states it is reportable. Infected shoot tips wilt, turn brown‑black, and bend hook‑shaped into a herder's staff; under damp heat milky slime droplets exude, spreading the bacterium further. If untreated, a tree can die within a season.
Prevention
Cut infected shoots generously back far into healthy wood (at least 30 to 50 cm) and disinfect the scissors after each cut. Dispose of the cuttings in household waste or burn them, never compost. Avoid strong nitrogen applications that promote soft new growth, and report suspected cases to your state's plant protection service.
Affected plants
These plants in our database are especially susceptible.
Not sure what is wrong with your plant?
Take a photo and let the AI diagnosis identify diseases and pests.
Start photo diagnosis