| Title: | Impact of high or low levels of phosphorus and high sodium in soils on productivity and stress tolerance of Arundo donax plants |
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| Authors: | ID Cocozza, Claudia, National Research Council of Italy, Institute for the Sustainable Plant Protection (CNR - IPSP), Via Madonna del Piano 10, 50019 Sesto Fiorentino, Italy (Author)
ID Brilli, Federico, National Research Council of Italy, Institute for the Sustainable Plant Protection (CNR - IPSP), Via Madonna del Piano 10, 50019 Sesto Fiorentino, Italy (Author)
ID Miozzi, Laura, National Research Council of Italy, Institute for the Sustainable Plant Protection (CNR - IPSP), Strada delle Cacce 73, 10135 Torino, Italy (Author)
ID Pignattelli, Sara, National Research Council of Italy, Institute for the Sustainable Plant Protection (CNR - IPSP), Via Madonna del Piano 10, 50019 Sesto Fiorentino, Italy (Author)
ID Rotunno, Silvia, National Research Council of Italy, Institute for the Sustainable Plant Protection (CNR - IPSP), Strada delle Cacce 73, 10135 Torino, Italy (Author)
ID Brunetti, Cecilia, National Research Council of Italy, Institute for BioEconomy (IBE), Via Madonna del Piano 10, 50019 Sesto Fiorentino, Italy (Author)
ID Giordano, Cristiana, National Research Council of Italy, Institute for BioEconomy (IBE), Via Madonna del Piano 10, 50019 Sesto Fiorentino, Italy (Author)
ID Pollastri, Susanna, National Research Council of Italy, Institute for the Sustainable Plant Protection (CNR - IPSP), Via Madonna del Piano 10, 50019 Sesto Fiorentino, Italy (Author)
ID Centritto, Mauro, National Research Council of Italy, Institute for the Sustainable Plant Protection (CNR - IPSP), Via Madonna del Piano 10, 50019 Sesto Fiorentino, Italy (Author)
ID Accotto, Gian Paolo, National Research Council of Italy, Institute for the Sustainable Plant Protection (CNR - IPSP), Strada delle Cacce 73, 10135 Torino, Italy (Author)
ID Tognetti, Roberto, Department of Agriculture, Environment and Food Sciences, University of Molise, Via Francesco De Sanctis, 86100 Campobasso, Italy (Author)
ID Loreto, Francesco, National Research Council of Italy, Department of Biology, Agriculture, and Food Sciences, Piazzale Aldo Moro 7, Roma, Italy (Author) |
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| Files: |
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| Language: | English |
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| Work type: | Not categorized |
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| Typology: | 1.01 - Original Scientific Article |
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| Organization: | UNG - University of Nova Gorica
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| Abstract: | The potential of Arundo donax to grow in degraded soils, characterized by excess of salinity (Na+), and phosphorus
deficiency (-P) or excess (+P) also coupled with salinity (+NaP), was investigated by combining in vivo
plant phenotyping, quantification of metabolites and ultrastructural imaging of leaves with a transcriptome-wide
screening. Photosynthesis and growth were impaired by+Na, -P and+NaP. While+Na caused stomatal
closure, enhanced biosynthesis of carotenoids, sucrose and isoprene and impaired anatomy of cell walls, +P
negatively affected starch production and isoprene emission, and damaged chloroplasts. Finally, +NaP largely
inhibited photosynthesis due to stomatal limitations, increased sugar content, induced/repressed a number of
genes 10 time higher with respect to+P and+Na, and caused appearance of numerous and large plastoglobules
and starch granules in chloroplasts. Our results show that A. donax is sensitive to unbalances of soil ion
content, despite activation of defensive mechanisms that enhance plant resilience, growth and biomass production
of A. donax under these conditions. |
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| Keywords: | Abiotic stress
Giant reed
Isoprene emission
Phosphorus
Salinity
Transcriptome |
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| Year of publishing: | 2019 |
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| Number of pages: | 12 |
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| Numbering: | 289, 289 |
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| PID: | 20.500.12556/RUNG-5123-46699516-1a31-e2d2-e84e-9e58c1004207 |
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| COBISS.SI-ID: | 5610491 |
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| DOI: | https://doi.org/10.1016/j.plantsci.2019.110260 |
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| NUK URN: | URN:SI:UNG:REP:WGFMLWJD |
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| Publication date in RUNG: | 20.04.2020 |
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| Views: | 2722 |
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| Downloads: | 0 |
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