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Summary: HISTORICAL PERSPECTIVE ESSAY
Vernalization, Competence, and the Epigenetic Memory of Winter
Vernalization is the process by which
prolonged exposure to cold temperatures
promotes flowering. Over the past century,
this process has been studied extensively at
the physiological level. Recent studies have
provided some insight into the molecular
basis of vernalization. The rich history of
vernalization research has been discussed
in detail in many reviews (Chouard, 1960;
Lang, 1965; Bernier et al., 1981). I will briefly
summarize some highlights and classic
experiments that I would like to relate to
recent molecular advances.
HISTORY OF VERNALIZATION
RESEARCH
The first papers describing exposure to
cold as the specific climatic aspect of
winter that was necessary for flowering in
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