Explanation

Vernalization is chilling or cold treatment of the young plants or seeds to induce flowering. It is process of shortening of the juvenile or vegetative phase and fastening the flowering by a process of cold treatment. It was first reported by a Russian worker, Lysenko (1928) while working in cold requiring biennial plants. Common examples of plants requiring vernalization are winter rye, winter wheat, winter arely, pea, $Chrysanthemum,\$etc.