Larger stocks are worked by bark grafts in the spring. Paint and cover the graft with a moistened plastic bag and place a vented paper bag over the whole. Protect with tin trunk wraps. Avocado Brown Mite can be controlled by powdered sulfur. A miticide may be required if natural predators are absent.
Snails can be a problem in California.
Two fungi and one virus cause more damage than any pests. Flesh injury begins after harvest and is impossible to detect on outside. Mexican types are immune to trunk cankers but the fruit is not. The disease is rampant near the coast and has no economical control. It is a major disease problem in California.