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20240401232657.0 |
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240229s2024 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2024.108467
|2 doi
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|a pubmed24n1359.xml
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|a (DE-627)NLM369026330
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|a (NLM)38412704
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|a (PII)S0981-9428(24)00135-9
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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 Gong, Jirui
|e verfasserin
|4 aut
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| 245 |
1 |
0 |
|a Correlations between root phosphorus acquisition and foliar phosphorus allocation reveal how grazing promotes plant phosphorus utilization
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1 |
|c 2024
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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 Completed 01.04.2024
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|a Date Revised 01.04.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2024 Elsevier Masson SAS. All rights reserved.
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|a Overgrazing and phosphorus (P) deficiency are two major factors limiting the sustainable development of grassland ecosystems. Exploring plant P utilization and acquisition strategies under grazing can provide a solid basis for determining a reasonable grazing intensity. Both foliar P allocation and root P acquisition are crucial mechanisms for plants to adapt to environmental P availability; however, their changing characteristics and correlation under grazing remain unknown. Here, we investigated foliar P fractions, root P-acquisition traits and gene expression, as well as rhizosphere and bulk soil properties of two dominant plant species, Leymus chinensis (a rhizomatous grass) and Stipa grandis (a bunchgrass), in a field grazing intensity gradient site in Inner Mongolia. Grazing induced different degrees of compensatory growth in the two dominant plant species, increased rhizosphere P availability, and alleviated plant P limitation. Under grazing, the foliar metabolite P of L. chinensis increased, whereas the nucleic acid P of S. grandis increased. Increased P fractions in L. chinensis were positively correlated with increased root exudates and rapid inorganic P absorption. For S. grandis, increased foliar P fractions were positively correlated with more fine roots, more root exudates, and up-regulated expression of genes involved in defense and P metabolism. Overall, efficient root P mobilization and uptake traits, as well as increases in leaf metabolic activity-related P fractions, supported plant compensatory growth under grazing, a process that differed between tiller types. The highest plant productivity and leaf metabolic activity-related P concentrations under medium grazing intensity clarify the underlying basis for sustainable livestock production
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4 |
|a Journal Article
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| 650 |
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4 |
|a Foliar phosphorus fractions
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| 650 |
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4 |
|a Phosphorus-acquisition strategies
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| 650 |
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4 |
|a Root-leaf correlations
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| 650 |
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4 |
|a Soil phosphorus mobilization
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| 650 |
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4 |
|a Sustainable grazing management
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| 650 |
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4 |
|a Transcriptome
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| 650 |
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7 |
|a Phosphorus
|2 NLM
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| 650 |
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7 |
|a 27YLU75U4W
|2 NLM
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| 650 |
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|a Soil
|2 NLM
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| 650 |
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7 |
|a Nitrogen
|2 NLM
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| 650 |
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7 |
|a N762921K75
|2 NLM
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| 700 |
1 |
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|a Song, Liangyuan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Zihe
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Dong, Jiaojiao
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Siqi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Weiyuan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Dong, Xuede
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Hu, Yuxia
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liu, Yingying
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Plant physiology and biochemistry : PPB
|d 1991
|g 208(2024) vom: 26. März, Seite 108467
|w (DE-627)NLM098178261
|x 1873-2690
|7 nnns
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| 773 |
1 |
8 |
|g volume:208
|g year:2024
|g day:26
|g month:03
|g pages:108467
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| 856 |
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|u http://dx.doi.org/10.1016/j.plaphy.2024.108467
|3 Volltext
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|a AR
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|d 208
|j 2024
|b 26
|c 03
|h 108467
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