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231225s2019 xx |||||o 00| ||eng c |
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|a 10.1093/jxb/erz169
|2 doi
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|a pubmed24n0986.xml
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|a (DE-627)NLM295977906
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|a (NLM)30976805
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Howell, Tyson
|e verfasserin
|4 aut
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| 245 |
1 |
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|a A wheat/rye polymorphism affects seminal root length and yield across different irrigation regimes
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|c 2019
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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| 500 |
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|a Date Completed 20.07.2020
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|a Date Revised 20.07.2020
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|a published: Print
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|a Citation Status MEDLINE
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| 520 |
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|a © The Author(s) 2019. Published by Oxford University Press on behalf of the Society for Experimental Biology.
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| 520 |
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|a The introgression of a small segment of wheat (Triticum aestivum L.) chromosome arm 1BS in the distal region of the rye (Secale cereale L.) 1RS.1BL arm translocation in wheat (henceforth 1RSRW) was previously associated with reduced grain yield, carbon isotope discrimination, and stomatal conductance, suggesting reduced access to soil moisture. Here we show that lines with the normal 1RS arm have longer roots than lines with the 1RSRW arm in both field and hydroponic experiments. In the 1RSRW lines, differences in seminal root length were associated with a developmentally regulated arrest of the root apical meristem (RAM). Approximately 10 d after germination, the seminal roots of the 1RSRW plants showed a gradual reduction in elongation rate, and stopped growing a week later. Seventeen days after germination, the roots of the 1RSRW plants showed altered gradients of reactive oxygen species and emergence of lateral roots close to the RAM, suggesting changes in the root meristem. The 1RSRW lines also showed reduced biomass (estimated by the normalized difference vegetation index) and grain yield relative to the 1RS lines, with larger differences under reduced or excessive irrigation than under normal irrigation. These results suggest that this genetic variation could be useful to modulate root architecture
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| 650 |
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|a Journal Article
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| 650 |
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4 |
|a Research Support, Non-U.S. Gov't
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| 650 |
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4 |
|a Research Support, U.S. Gov't, Non-P.H.S.
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| 650 |
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4 |
|a Drought tolerance
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| 650 |
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4 |
|a lateral roots
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| 650 |
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4 |
|a reactive oxygen species (ROS)
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| 650 |
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4 |
|a roots
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| 650 |
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4 |
|a rye
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| 650 |
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4 |
|a waterlogging
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| 650 |
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4 |
|a wheat
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| 700 |
1 |
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|a Moriconi, Jorge I
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhao, Xueqiang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Hegarty, Joshua
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Fahima, Tzion
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Santa-Maria, Guillermo E
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Dubcovsky, Jorge
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Journal of experimental botany
|d 1985
|g 70(2019), 15 vom: 07. Aug., Seite 4027-4037
|w (DE-627)NLM098182706
|x 1460-2431
|7 nnns
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| 773 |
1 |
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|g volume:70
|g year:2019
|g number:15
|g day:07
|g month:08
|g pages:4027-4037
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| 856 |
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|u http://dx.doi.org/10.1093/jxb/erz169
|3 Volltext
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|a GBV_ILN_350
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|a AR
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|d 70
|j 2019
|e 15
|b 07
|c 08
|h 4027-4037
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