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|a 10.1093/jxb/erac492
|2 doi
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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 Ding, Ming
|e verfasserin
|4 aut
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| 245 |
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|a Stomatal properties of Arabidopsis cauline and rice flag leaves and their contributions to seed production and grain yield
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|c 2023
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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
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|2 rdacarrier
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|a Date Completed 30.03.2023
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|a Date Revised 04.04.2023
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|a published: Print
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|a Citation Status MEDLINE
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|a © The Author(s) 2022. Published by Oxford University Press on behalf of the Society for Experimental Biology.
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|a Cauline leaves on the inflorescence stem of Arabidopsis thaliana may play important roles in supplying photosynthetic products to sinks, such as floral organs. Flag leaves in rice (Oryza sativa) have a higher photosynthetic capacity than other leaves, and are crucial for increasing grain yield. However, the detailed properties of stomata in cauline and flag leaves have not been investigated. In Arabidopsis, stomatal conductance and CO2 assimilation rate were higher in cauline leaves under white light than in rosette leaves, consistent with higher levels of plasma membrane (PM) H+-ATPase, a key enzyme for stomatal opening, in guard cells. Moreover, removal of cauline leaves significantly reduced the shoot biomass by approximately 20% and seed production by approximately 46%. In rice, higher stomatal density, stomatal conductance, and CO2 assimilation rate were observed in flag leaves than in fully expanded second leaves. Removal of the flag leaves significantly reduced grain yield by approximately 49%. Taken together, these results show that cauline and flag leaves have important roles in seed production and grain yield through enhanced stomatal conductance and CO2 assimilation rate
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Arabidopsis
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| 650 |
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|a cauline leaf
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|a flag leaf
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|a grain yield
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|a photosynthesis
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| 650 |
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|a plasma membrane H+-ATPase
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|a rice
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|a stomata
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| 650 |
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|a Carbon Dioxide
|2 NLM
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| 650 |
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|2 NLM
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| 700 |
1 |
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|a Zhu, Yiyong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Kinoshita, Toshinori
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Journal of experimental botany
|d 1985
|g 74(2023), 6 vom: 28. März, Seite 1957-1973
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|x 1460-2431
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|g volume:74
|g year:2023
|g number:6
|g day:28
|g month:03
|g pages:1957-1973
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|u http://dx.doi.org/10.1093/jxb/erac492
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