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As you can see in my web there are people producing clean fruit in a home environment. I was very surprised what happened with the scab in my tree. Scab is air borne so if there are no avocado trees in the area there is probably little or no scab in the air. We need more contribution from people who are growing this tree (to be fair)
Sleepdog that fruit looks very nice and so does your tree. Please keep up posted on how it does.
A relative of mine, in Miami-Dade, FL, has a Hass avocado tree. Planted about four to five years ago, it's now about twelve feet tall, consistently very productive and no scab problem. I guess some areas are more affected by scab than others.
Fist of all, there is a reason for every thing. That may be why no one has an older producing tree. Lack of an information gathering system makes people buy varieties that are sold by nurseries just describing the "good" attributes of the tree. It would be good for people growing the tree to report the good as well as the problems with the treeWilliam. I had a similar issue with a Florida Hass I had in a pot in my house next to a citrus. I sprayed the citrus with oil and spinosad and a few days latter the leaves began to turn like you described. Other avocados got over sprayed and did not reacted that way. Now those leaves have dropped and a new flush is coming.