vernalization

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Related to vernalising: photoperiodism

vernalization

a process in which young plants are treated with low temperatures (2–5 °C) to induce a change to an older physiological state, thus shortening the interval between sowing and flowering. Vernalization can be reversed by high temperatures.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005
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