Lethal yellowing is a palm disease customary in the southern one-third of Florida. In 2007, the disease was found on the west coast of Florida, counties where it had not been detected before. In 2012, the disease was found in Indian River County on the east coast of Florida. (IFAS)

CAUSE

  • Uncultured bacterium, a phytoplasma

DISEASE SYMPTOMS

  • Premature dropping of coconuts
  • Darkening of flowers
  • Fronds turn yellow
  • Death of the bud

HOST RANGE

  • 34 palm species

SPREAD of the PATHOGEN and CONTROL OPTIONS

  • Transmitted by a planthopper insect, Myndus Van Duzee
  • Using insecticides to control vector, antibiotic injection into trees

More Resources

More Facts from IFAS