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231223s2011 xx |||||o 00| ||eng c |
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|a 10.1111/j.1469-8137.2010.03519.x
|2 doi
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|a eng
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|a Malik, A I
|e verfasserin
|4 aut
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|a Transfer of the barrier to radial oxygen loss in roots of Hordeum marinum to wheat (Triticum aestivum)
|b evaluation of four H. marinum-wheat amphiploids
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|c 2011
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|a Text
|b txt
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Completed 18.07.2011
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|a Date Revised 10.03.2022
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2010 The Authors. New Phytologist © 2010 New Phytologist Trust.
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|a • Wide hybridization of waterlogging-tolerant Hordeum marinum with wheat (Triticum aestivum) to produce an amphiploid might be one approach to improve waterlogging tolerance in wheat. • Growth, root aerenchyma and porosity, and radial oxygen loss (ROL) along roots were measured in four H. marinum-wheat amphiploids and their parents (four accessions of H. marinum and Chinese Spring wheat) in aerated or stagnant nutrient solution. A soil experiment was also conducted. • Hordeum marinum maintained shoot dry mass in stagnant nutrient solution, whereas the growth of wheat was markedly reduced (40% of aerated control). Two of the four amphiploids were more tolerant than wheat (shoot dry masses of 59-72% of aerated controls). The porosity of adventitious roots when in stagnant solution was higher in H. marinum (19-25%) and the four amphiploids (20-24%) than in wheat (16%). In stagnant solution, adventitious roots of H. marinum formed a strong ROL barrier in basal zones, whereas, in wheat, the barrier was weak. Two amphiploids formed a strong ROL barrier and two formed a moderate barrier when in stagnant solution. • This study demonstrates the transfer of higher root porosity and a barrier to ROL from H. marinum to wheat through wide hybridization and the production of H. marinum-wheat amphiploids
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Culture Media
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|a Soil
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|a Solutions
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|a Oxygen
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|a Islam, A K M R
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|a Colmer, T D
|e verfasserin
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|i Enthalten in
|t The New phytologist
|d 1979
|g 190(2011), 2 vom: 15. Apr., Seite 499-508
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|x 1469-8137
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|g year:2011
|g number:2
|g day:15
|g month:04
|g pages:499-508
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