What is the role of extrinsic factors in initiation of flowering?

What is the role of extrinsic factors in initiation of flowering?
  1. They have no role in initiation of flowering
  2. They play a complementary role in initiation of flowering
  3. They play an antagonist role in initiation of flowering
  4. They play a crucial role in initiation of flowering

Solution

We shall discuss briefly the role of light and temperature (both of them, the extrinsic factors) on initiation of flowering.

Asked in: NCERT

Practice more Plant Growth and Development questions on Aicharya