A) Long night
B) Photoperiod less than 12 hours
C) Photoperiod shorter than initial value and uninterrupted long night
D) Short photoperiod and interrupted long night
Correct Answer: C
Solution :
In SDP the dark period is critical and must be continuous. If this dark period is interrupted even with a brief exposure of red light, the short day plant will not flower.You need to login to perform this action.
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