2. Plant is a monocot or noncotyledonous (includes palms, Pandanus, draceanas, yuccas, cycads and others)
2b. Symptoms are most severe on the oldest leaves or throughout the entire plant
2b2. New leaves are reduced in size

2b2a	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
2b2b	New leaves exhibit interveinal chlorosis with necrotic streaks. In severe cases, new leaves emerge entirely withered or frizzled and greatly reduced in size