Question

Which hormone is responsible for photoperiodism?

Answer 1

Photoperiodism:

1. It is the response from the plants and animals towards the environmental changes based on the length of daylight and darkness.
2. Indole acetic acid(IAA) which is an auxin is involved in photoperiodism.
3. IAA and other auxins influence the growth of stems toward the light.

According to the photoperiod, they are grouped into:

1. Short-day plants.
2. Long-day plants.
3. Day-neutral plants.