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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1111/nph.19128
|2 doi
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|a pubmed24n1201.xml
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|a (DE-627)NLM360374409
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|a (NLM)37537720
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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 Wang, Yu
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Rethinking the potential productivity of crassulacean acid metabolism by integrating metabolic dynamics with shoot architecture, using the example of Agave tequilana
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| 264 |
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|c 2023
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| 336 |
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|a Text
|b txt
|2 rdacontent
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| 337 |
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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 18.08.2023
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|a Date Revised 20.08.2023
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2023 The Authors New Phytologist © 2023 New Phytologist Foundation.
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|a Terrestrial CAM plants typically occur in hot semiarid regions, yet can show high crop productivity under favorable conditions. To achieve a more mechanistic understanding of CAM plant productivity, a biochemical model of diel metabolism was developed and integrated with 3-D shoot morphology to predict the energetics of light interception and photosynthetic carbon assimilation. Using Agave tequilana as an example, this biochemical model faithfully simulated the four diel phases of CO2 and metabolite dynamics during the CAM rhythm. After capturing the 3-D form over an 8-yr production cycle, a ray-tracing method allowed the prediction of the light microclimate across all photosynthetic surfaces. Integration with the biochemical model thereby enabled the simulation of plant and stand carbon uptake over daily and annual courses. The theoretical maximum energy conversion efficiency of Agave spp. is calculated at 0.045-0.049, up to 7% higher than for C3 photosynthesis. Actual light interception, and biochemical and anatomical limitations, reduced this to 0.0069, or 15.6 Mg ha-1 yr-1 dry mass annualized over an 8-yr cropping cycle, consistent with observation. This is comparable to the productivity of many C3 crops, demonstrating the potential of CAM plants in climates where little else may be grown while indicating strategies that could raise their productivity
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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| 650 |
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|a 3-D plant form
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| 650 |
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4 |
|a bioenergy
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| 650 |
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4 |
|a crassulacean acid metabolism
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| 650 |
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|a crassulacean acid metabolism (CAM) photosynthesis
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| 650 |
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4 |
|a drought
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| 650 |
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4 |
|a food security
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| 650 |
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|a metabolic model
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| 650 |
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|a photosynthesis
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| 650 |
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|a Carbon
|2 NLM
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| 650 |
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|a 7440-44-0
|2 NLM
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| 700 |
1 |
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|a Smith, J Andrew C
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhu, Xin-Guang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Long, Stephen P
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t The New phytologist
|d 1979
|g 239(2023), 6 vom: 04. Sept., Seite 2180-2196
|w (DE-627)NLM09818248X
|x 1469-8137
|7 nnns
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| 773 |
1 |
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|g volume:239
|g year:2023
|g number:6
|g day:04
|g month:09
|g pages:2180-2196
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|u http://dx.doi.org/10.1111/nph.19128
|3 Volltext
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