For most short-day plants, flowering is promoted primarily by

Options

  • A. A long uninterrupted night
  • B. A very short night
  • C. Continuous light
  • D. Complete absence of darkness
  • E. Only high daytime temperature

Correct Answer (Detailed Explanation is Below)

A. A long uninterrupted night

Detailed Explanation

In most short-day plants, the duration of the uninterrupted dark period is particularly important; a sufficiently long night promotes flowering.