I have a four year old orange tree which has flowered and fruited nicely in
my greenhouse until this past summer, when it started losing leaves and
suffering some branch dieback. There is no evidence of insects or fungus.
The only difference in its care was that I had someone else watering it for
me (weekly). Could overwatering explain these symptoms? Should I try
cutting it back? Presently it is leafless and seemingly dea... er, dormant.
Thanks in advance-
Polly