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231225s2021 xx |||||o 00| ||eng c |
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|a 10.1270/jsbbs.20154
|2 doi
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|a pubmed25n1120.xml
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|a (DE-627)NLM33621670X
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|a (NLM)35087321
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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 Itam, Michael O
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Transpiration response of two bread wheat lines differing in drought resilience and their backcross parent under dry-down conditions
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|c 2021
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Revised 05.04.2024
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Copyright © 2021 by JAPANESE SOCIETY OF BREEDING.
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|a Improving wheat productivity in drylands largely depends on how plants manage limited water resources. Using fraction of transpirable soil water threshold (FTSWTh) and drought stress response function, we characterized the water conservation traits of two wheat multiple synthetic derivative lines (MSD53 and MSD345) which both contain introgressed segments from Aegilops tauschii but differ in drought resilience. The lines and their backcross parent, 'Norin 61', were subjected to dry-down conditions. MSD53 had a higher FTSWTh for transpiration decrease than 'Norin 61' and MSD345. In terms of drought stress response function, MSD53 had the lowest threshold suction, suggesting a lower drought resilience capacity compared with MSD345. However, MSD53 exhibited an effective-water-use trait whereas MSD345 exhibited a water-saving trait under dry-down conditions. These results are consistent with the reported higher yield of MSD53 in comparison with MSD345 under drought stress in Sudan, and demonstrate that high FTSWTh supports effective water use for improved agricultural productivity in drylands. The differences in water conservation traits between the two MSD lines may be attributed to variation in introgressed segments, which can be further explored for drought resilience breeding
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|a Journal Article
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| 650 |
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4 |
|a Aegilops tauschii
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| 650 |
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4 |
|a drought
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| 650 |
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4 |
|a effective water use
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| 650 |
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4 |
|a genetic variability
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| 650 |
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4 |
|a transpiration
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| 700 |
1 |
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|a Wahbi, Ammar
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Fujimaki, Haruyuki
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Tsujimoto, Hisashi
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Breeding science
|d 1998
|g 71(2021), 5 vom: 25. Dez., Seite 575-583
|w (DE-627)NLM098238299
|x 1344-7610
|7 nnas
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| 773 |
1 |
8 |
|g volume:71
|g year:2021
|g number:5
|g day:25
|g month:12
|g pages:575-583
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|u http://dx.doi.org/10.1270/jsbbs.20154
|3 Volltext
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