Darwin Review - Journal of Experimental Botany 62: 3289-3309 (2011)
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First off the mark: early seed germination
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Karin Weitbrecht*, Kerstin Müller*, Gerhard Leubner-Metzger |
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University of Freiburg, Faculty of Biology, Institute for Biology II, Botany / Plant Physiology, Schänzlestr. 1, D-79104 Freiburg, Germany, Web: 'The Seed Biology Place' http://www.seedbiology.de (K.W., K.M., G.L.-M.) Department of Biological Sciences, Simon Fraser University, 8888, University Drive, Burnaby BC, V5A 1S6, Canada (K.M.) *Joint first authors: K.W., K.M. Received December , 2010; accepted February 23, 2010; published online April 12, 2010 DOI 10.1111/j.1469-8137.2010.03249.x |
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Figure 2. Comparison of morphological and physiological key processes during the germination of typical endospermless (e.g. Brassica napus, pea and many other legumes) eudicot seeds. (A) Morphology of a mature pea seed which is endospermless. (B) Time courses of Brassica napus seed water uptake, testa rupture, radicle growth >2 mm, and the effect of abscisic acid (ABA); control without added hormone (CON). (C) Visible events during one-step germination typical for endospermless species. Seed images (A, C) from Finch-Savage and Leubner-Metzger (2006); Diagrams (G) based on quantitative data by Schopfer and Plachy (1984). |
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