Light Spectral Composition Influences Structural and Eco-Physiological Traits of <i>Solanum lycopersicum</i> L. cv. ‘Microtom’ in Response to High-LET Ionizing Radiation
This study evaluated if specific light quality (LQ) regimes (white fluorescent, FL; full-spectrum, FS; red-blue, RB) during plant growth modified morphological and photosynthetic traits of <i>Solanum lycopersicum</i> L. ‘Microtom’ plants irradiated at the dry seed stage with 25 Gy <su...
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| Format: | Article |
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MDPI AG
2021-08-01
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| Series: | Plants |
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| Online Access: | https://www.mdpi.com/2223-7747/10/8/1752 |
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| author | Ermenegilda Vitale Luca Vitale Giulia Costanzo Violeta Velikova Tsonko Tsonev Palma Simoniello Veronica De Micco Carmen Arena |
| author_facet | Ermenegilda Vitale Luca Vitale Giulia Costanzo Violeta Velikova Tsonko Tsonev Palma Simoniello Veronica De Micco Carmen Arena |
| author_sort | Ermenegilda Vitale |
| collection | DOAJ |
| description | This study evaluated if specific light quality (LQ) regimes (white fluorescent, FL; full-spectrum, FS; red-blue, RB) during plant growth modified morphological and photosynthetic traits of <i>Solanum lycopersicum</i> L. ‘Microtom’ plants irradiated at the dry seed stage with 25 Gy <sup>48</sup>Ca ions (IR). The irradiation reduced plant size while it increased leaf dry matter content (LDMC) and relative water content (RWC) compared to the control. FS and RB light regimes determined a decrease of plant height and a rise of RWC compared to FL plants. The irradiation under FS and RB regimes favoured the development of dwarf plants and improved the leaf water status. Under the FL regime, irradiated plants showed reduced photosynthesis and stomatal conductance. The opposite behavior was observed in RB irradiated plants in which gas exchanges were significantly stimulated. RB regime enhanced Rubisco expression in irradiated plants also inducing anatomical and functional adjustments (i.e., increase of leaf thickness and incidence of intercellular spaces). Finally, <sup>48</sup>Ca ions did not prevent fruit ripening and the achievement of the ‘seed-to seed’ cycle, irrespective of the LQ regime. Overall, the present study evidenced that RB light regime was the most effective in optimising growth and photosynthetic efficiency of ‘Microtom’ irradiated plants. These outcomes may help to develop proper cultivation protocols for the growth of dwarf tomato in Controlled Ecological Life Support Systems (CELSS). |
| first_indexed | 2024-03-10T08:27:30Z |
| format | Article |
| id | doaj.art-955d88959a13473bad075737b6ed0844 |
| institution | Directory Open Access Journal |
| issn | 2223-7747 |
| language | English |
| last_indexed | 2024-03-10T08:27:30Z |
| publishDate | 2021-08-01 |
| publisher | MDPI AG |
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| series | Plants |
| spelling | doaj.art-955d88959a13473bad075737b6ed08442023-11-22T09:21:10ZengMDPI AGPlants2223-77472021-08-01108175210.3390/plants10081752Light Spectral Composition Influences Structural and Eco-Physiological Traits of <i>Solanum lycopersicum</i> L. cv. ‘Microtom’ in Response to High-LET Ionizing RadiationErmenegilda Vitale0Luca Vitale1Giulia Costanzo2Violeta Velikova3Tsonko Tsonev4Palma Simoniello5Veronica De Micco6Carmen Arena7Department of Biology, University of Naples Federico II, Via Cinthia, 80126 Napoli, ItalyNational Research Council, Department of Biology, Agriculture and Food Sciences, Institute for Agricultural and Forestry Systems in the Mediterranean, P. le E. Fermi 1, 80055 Portici, ItalyDepartment of Agricultural Sciences, University of Naples Federico II, Via Università 100, 80055 Portici, ItalyInstitute of Plant Physiology and Genetics, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., bl. 21, 1113 Sofia, BulgariaInstitute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., bl. 21, 1113 Sofia, BulgariaDepartment of Science and Technology, University of Naples Parthenope, Via Acton n. 38-I, 80133 Napoli, ItalyDepartment of Agricultural Sciences, University of Naples Federico II, Via Università 100, 80055 Portici, ItalyDepartment of Biology, University of Naples Federico II, Via Cinthia, 80126 Napoli, ItalyThis study evaluated if specific light quality (LQ) regimes (white fluorescent, FL; full-spectrum, FS; red-blue, RB) during plant growth modified morphological and photosynthetic traits of <i>Solanum lycopersicum</i> L. ‘Microtom’ plants irradiated at the dry seed stage with 25 Gy <sup>48</sup>Ca ions (IR). The irradiation reduced plant size while it increased leaf dry matter content (LDMC) and relative water content (RWC) compared to the control. FS and RB light regimes determined a decrease of plant height and a rise of RWC compared to FL plants. The irradiation under FS and RB regimes favoured the development of dwarf plants and improved the leaf water status. Under the FL regime, irradiated plants showed reduced photosynthesis and stomatal conductance. The opposite behavior was observed in RB irradiated plants in which gas exchanges were significantly stimulated. RB regime enhanced Rubisco expression in irradiated plants also inducing anatomical and functional adjustments (i.e., increase of leaf thickness and incidence of intercellular spaces). Finally, <sup>48</sup>Ca ions did not prevent fruit ripening and the achievement of the ‘seed-to seed’ cycle, irrespective of the LQ regime. Overall, the present study evidenced that RB light regime was the most effective in optimising growth and photosynthetic efficiency of ‘Microtom’ irradiated plants. These outcomes may help to develop proper cultivation protocols for the growth of dwarf tomato in Controlled Ecological Life Support Systems (CELSS).https://www.mdpi.com/2223-7747/10/8/1752indoor cultivationheavy ionslight qualityphotosynthesisRubisco expression |
| spellingShingle | Ermenegilda Vitale Luca Vitale Giulia Costanzo Violeta Velikova Tsonko Tsonev Palma Simoniello Veronica De Micco Carmen Arena Light Spectral Composition Influences Structural and Eco-Physiological Traits of <i>Solanum lycopersicum</i> L. cv. ‘Microtom’ in Response to High-LET Ionizing Radiation Plants indoor cultivation heavy ions light quality photosynthesis Rubisco expression |
| title | Light Spectral Composition Influences Structural and Eco-Physiological Traits of <i>Solanum lycopersicum</i> L. cv. ‘Microtom’ in Response to High-LET Ionizing Radiation |
| title_full | Light Spectral Composition Influences Structural and Eco-Physiological Traits of <i>Solanum lycopersicum</i> L. cv. ‘Microtom’ in Response to High-LET Ionizing Radiation |
| title_fullStr | Light Spectral Composition Influences Structural and Eco-Physiological Traits of <i>Solanum lycopersicum</i> L. cv. ‘Microtom’ in Response to High-LET Ionizing Radiation |
| title_full_unstemmed | Light Spectral Composition Influences Structural and Eco-Physiological Traits of <i>Solanum lycopersicum</i> L. cv. ‘Microtom’ in Response to High-LET Ionizing Radiation |
| title_short | Light Spectral Composition Influences Structural and Eco-Physiological Traits of <i>Solanum lycopersicum</i> L. cv. ‘Microtom’ in Response to High-LET Ionizing Radiation |
| title_sort | light spectral composition influences structural and eco physiological traits of i solanum lycopersicum i l cv microtom in response to high let ionizing radiation |
| topic | indoor cultivation heavy ions light quality photosynthesis Rubisco expression |
| url | https://www.mdpi.com/2223-7747/10/8/1752 |
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