Palm Problems Key - Flowers and Fruits

• Flower stalks are necrotic; look for other symptoms to separate deficiency from disease

  boron deficiency (Fig. 60)

  FACTSHEET: http://edis.ifas.ufl.edu/EP264

  lethal yellowing (Fig. 61)

  FACTSHEET: http://edis.ifas.ufl.edu/PP146

  Texas Phoenix palm decline: http://edis.ifas.ufl.edu/PP163

• Premature nut drop in Cocos nucifera (all the nuts drop at once)

  1. Stem ends blackened and water soaked

  lethal yellowing (Fig. 62)

  FACTSHEET: http://edis.ifas.ufl.edu/PP146

  2. Stem ends ends green to brown and not water soaked

  boron deficiency (Fig. 63)

  FACTSHEET: http://edis.ifas.ufl.edu/EP264

• Premature fruit drop in Phoenix species (and other LY susceptible palms besides coconuts)

  lethal yellowing (Fig. 64)

  FACTSHEET: http://edis.ifas.ufl.edu/PP146