| Bacterial diseases | |
|---|---|
| Bacterial canker | Pseudomonas syringae Xanthomonas campestris |
| Blast and bacterial fruit spot | Pseudomonas syringae |
| Crown gall | Agrobacterium tumefaciens |
| Viruslike diseases | |
|---|---|
| Sunblotch | Avocado sunblotch viroid |
| Trunk pitting | Graft transmissible agent |
| Miscellaneous diseases and disorders | |
|---|---|
| Algal spot | Cephaleuros virescens Kunze |
| Blackstreak | Unknown cause |
| Dieback | Copper deficiency |
| Edema | Physiological |
| Littleleaf rosette | Zinc deficiency |
| Tipburn | Excess mineral salts |