In short plants (SDP) flowering is induced by

Options

A. Long night
B. Photoperiod less than 12 hours
C. Photoperiod shorter then initial value and interrupted long night
D. Short photoperiod and interrupted long night

Answer

c

Explanation

(c ) In SDP the dark period is criticle and mhust be continous. IF this dark period is interrupted even with a brief exposure of red light, the short day plant will not flower.