What is vernalization? write mechanism and applications of it.
Answers
Vernalization (from Latin vernus, "of the spring") is the induction of a plant's flowering process by exposure to the prolonged cold of winter, or by an artificial equivalent.
Of course, if you are a gardener or a farmer, you might not want to wait two years to have a new crop. The vernalization process can be artificially recreated so that the plants will produce flowers every year and new crops can happen more frequently. The seeds are allowed to partially germinate, and then they are chilled down to 0 degrees C/ 32 degrees F until it is time to plant. This satisfies the plant's cold requirement and means that it will flower once planted, even if it is in the same year. Artificial vernalization also means that temperate plants can be grown in warmer regions, where the seasonal chill doesn't naturally occur.
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Vernalization is the promotion of flowering in response to a prolonged period of growth at low temperatures, and is an important adaptation of plants growing at high latitudes or altitudes to ensure that flowering occurs in the warmer days of spring or summer.
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