photoperiod in orchids, PLEASE COMMENT

[Discus]

Originally Posted by BruceP

There isn't one and likely never will be since nobody is going to do the experimentation on the many thousands of species that are not "commercially valuable". The best thing I could find is this HortScience article which is pretty interesting even if you don't care much about photoperiodism.

Thanks Bruce, that is a great article.
I wasn't expecting a species by species account (I knew that was a tall order), but rather general patterns (section X of alliance Y has member Q that is short/long day). It's great that it also includes temperature info.