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In short day plants (SDP) flowering is i...

In short day plants (SDP) flowering is induced by

A

photoperiod less than 12 hrs

B

photoperiod below a critical length and uninterrupted long night

C

long night

D

short photoperiod and interrupted long night

Text Solution

Verified by Experts

The correct Answer is:
B
In short-day plants, flowering is induced when the day length do not exceed a certain critical value, the day length required is less than a certain cntical length. Short-day plants may t e more correctly called long night plants as a certain minimum of uninterrupted dark period in 24 hrs is necessary for their flowering. Short-day plants will not flower if the dark period is less than a critical length
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