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EnglishSpikes and seeds from diploid 'einkorn' wheat Triticum monococcum and two near-isogenic hard and soft common wheat (Triticum aestivum) lines were harvested at regular intervals from 7 days post-anthesis (dpa) and analysed by non-destructive magnetic resonance imaging (MRI) and time domain-nuclear magnetic resonance (TD-NMR). A large amount of free water occurred in rachises, glumes and awns of spikes collected at 7 dpa, and accumulated in the physiologically active cells of the endosperm at 21 dpa. In the final stages of kernel development, awns and seed embryos exhibited a high MR signal due to the presence of free water likely associated with biological activities. TD-NMR relaxation time distributions obtained by discrete exponential fitting, distributed exponential fitting and SLICING multivariate analysis offered detailed information on mobility behaviour of water molecules in developing seeds and were able to differentiate two soft and hard isolines from common wheat cv. Enesco at early stages of seed development. (C) 2010 Elsevier Ltd. All rights reserved.
Development of wheat kernels with contrasting endosperm texture characteristics as determined by magnetic resonance imaging and time domain-nuclear magnetic resonance / Cecilia, Castro; Laura, Gazza; Roberto, Ciccoritti; Norberto, Pogna; Oliviero C., Rossi; Manetti, Cesare. - In: JOURNAL OF CEREAL SCIENCE. - ISSN 0733-5210. - 52:2(2010), pp. 303-309. [10.1016/j.jcs.2010.06.012]
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| Titolo: | Development of wheat kernels with contrasting endosperm texture characteristics as determined by magnetic resonance imaging and time domain-nuclear magnetic resonance | |
| Autori: | ||
| Data di pubblicazione: | 2010 | |
| Rivista: | ||
| Citazione: | Development of wheat kernels with contrasting endosperm texture characteristics as determined by magnetic resonance imaging and time domain-nuclear magnetic resonance / Cecilia, Castro; Laura, Gazza; Roberto, Ciccoritti; Norberto, Pogna; Oliviero C., Rossi; Manetti, Cesare. - In: JOURNAL OF CEREAL SCIENCE. - ISSN 0733-5210. - 52:2(2010), pp. 303-309. [10.1016/j.jcs.2010.06.012] | |
| Handle: | http://hdl.handle.net/11573/45303 | |
| Appartiene alla tipologia: | 01a Articolo in rivista |
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