Picky wrote:

It seems odd to me that watering could be the problem because the
entire yard is on an automatic system that waters five minutes AM
then 10 minutes PM. Plus the problem tree is next to the prolific
lemon that bears too many to find use for each year.


This is a poor watering regime as it will be only watering the surface.
This means that you are encouraging shallow roots and you will lose much to
evaporation. Two hours once a week would be far better use of the same
amount of water.

--
David

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
A better world requires a daily struggle
against those who would mislead us.