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Term:
Parent Terms Term With Siblings Child Terms
long-day photoperiodism, flowering +  
regulation of photoperiodism, flowering +  
short-day photoperiodism, flowering +  
A change from vegetative to reproductive phase as a result of detection of, or exposure to, a period of light that falls short of the critical day length. The critical day length varies between species. Although the term is short-day is used, most species actually respond to the duration of the night, so that the response will occur when a period of darkness exceeds the number of hours defined by 24 minus the critical day length.

Synonyms
Exact Synonyms: long-night photoperiodism, flowering ;   response to long-night, flowering ;   response to short-day, flowering ;   short-day photoperiodic control of flowering ;   short-day photoperiodic control of flowering time ;   short-day photoperiodic control of inflorescence development
Definition Sources: GOC:jid, GOC:pj, ISBN:0582015952, ISBN:0697037754, ISBN:0709408862

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