Plant Growth and Development Question 79

79. In short day plants, flowering is induced by

(a) photoperiod less than 12 hours

(b) photoperiod below a critical length and uninterrupted long night

(c) long night

(d) short photoperiod and interrupted long night

Show Answer

Answer : b

Hints & Solutions

(b) A short day plant is one that flowers on photoperiods shorter than the critical day length. It generally flowers when treated by a short day and uninterrupted long night (more than 12 hrs.)



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