PHOTOS: Fusarium Decline of Queen Palms and Mexican Fan Palms in Florida

Download Fusarium Decline of Queen Palms and Mexican Fan Palms in Florida (PDF).

Figure 1.  Symptoms begin on lowest (oldest) leaves in canopy. (full-res image)

Figure 2.  Progression of symptoms up through the canopy.  Oldest leaves are on the right, and youngest leaves are on the left.(full-res image)

Figure 3.  All leaves in the canopy have died.(full-res image)

Figure 4.  Diseased (left) vs. healthy (right) queen palms.(full-res image)

Figure 5.  Brown stripe on petiole extends into the rachis of the leaf.(full-res image)

Figure 6.  Brown external petiole stripe corresponds with internal discoloration of the petiole. (full-res image)

Figure 7.  Leaflets on one side of the leaf have died (right), but leaflets on opposite side are still living (left). (full-res image)

Figure 8.  Progression of symptoms up through the canopy.  Oldest leaves are necrotic, and subsequently younger leaves are various shades of yellow and green. (full-res image)

Figure 9.  Note brown stripe on petiole of these leaves. (full-res image)