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
2b1. New leaves are uniformly chlorotic, chlorotic with faintly green veins, or chlorotic with green spots scattered throughout the leaflets. Interveinal necrotic streaks are not present, but tip necrosis may be evident

2b1a	New leaves exhibit interveinal or uniform chlorosis with or without green spots scattered throughtout the leaflets. Tip necrosis may be present in severe cases
2b1b	New leaves are uniformly chlorotic, usually accompanied by tip necrosis