Royal Holloway, University of London
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Molecular mechanisms of Beta vulgaris cold-induced secondary dormancy raw data

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posted on 2022-05-09, 15:31 authored by James Hourston, Tina SteinbrecherTina Steinbrecher, Jake Chandler, Katrin Dietrich, Veronika Turečková, Danuše Tarkowská, Miroslav Strnad, Fridtjof Weltmeier, Juliane Meinhard, Uwe Fischer, Karin Fiedler-Wiechers, Michael Ignatz, Gerhard Leubner-Metzger
Here we show that prolonged incubation of sugar beet fruits at low temperature can induce secondary nondeep physiological dormancy of apparently nondormant crop species. The physiological and biophysical mechanisms underpinning this cold-induced secondary dormancy include the chilling-induced accumulation of abscisic acid in the seeds, a reduction in the embryo growth potential and a block in weakening of the endosperm covering the embryonic root.


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