Deficiency of Boron
There is probably a deficiency of Boron. New leaves of Boron deficient palms emerge crumpled, and greatly reduced in size. Leaf edges may have extensive necrosis, often giving the leaf a singed appearance. Fruits and flowers of coconut palms usually abort prior to the appearance of foliar symptoms. Shoots of Boron-deficient Dracaena and palms often grow sideways rather than vertically. Boron deficiency may be locally common on palms growing in highly leached sand soils of South Florida.
Plant is a monocot or noncotyledonous (includes palms, Pandanus, draceanas, yuccas, cycads and others
- Symptoms are most severe on the newest leaves
- New leaves are reduced in size
- Leaves may remain green and emerge crumpled. Leaf margins may curl or may have extensive necrosis and appear singed. Shoots of Dracaena often grow at an angle rather than vertically
- New leaves are reduced in size
Boron Deficiency in Dracaena (Dracaena marginata)
Boron Deficiency in Sagisi Palm (Heterospathe elata)
Boron Deficiency in Philodendron (Philodendron sp.)
Boron Deficiency in Pygmy Date Palm (Phoenix roebelenii)
