After effects of low temperature treatment, it has been observed to be helpful in promoting the flowering in certain plants. In this way the vegetative period of plant becomes short and early flowering takes place. This phenomenon is known as

Options :
  1. Photoperiodism
  2. Floreignation
  3. Vernalisation
  4. Heliotropism


Answer and Explanation :-

Answer: Option 3

Explanation:

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