Answer: It's not unusual for newly transplanted trees and shrubs to go through an adjustment period and lose a few leaves in the process. Your tree may also be reacting to differences in temperature and humidity in its new location. Don't remove the yellowing leaves - they'll fall off when they're ready. Water often enough to keep the soil moist but not soggy wet. As a rule, citrus trees are not regularly pruned. Allow your tree to develop a basic framework as it matures. You can safely prune off any errant branches, but regular pruning should be unnecessary.
Q&A Library Searching Tips