The Impact of Fruit Etiolation on Quality of Seeds in Tobacco
Seed’s maturity and integrity are essential requirements for germination, and they rely on nutrients availability and a correct phytohormones’ balance. These aspects are prerequisites for prompt germination at the end of the dormancy period and strictly depend on chloroplast metabolism and photosynt...
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| Format: | Article |
| Language: | English |
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Frontiers Media S.A.
2020-10-01
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| Series: | Frontiers in Plant Science |
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| Online Access: | https://www.frontiersin.org/article/10.3389/fpls.2020.563971/full |
| _version_ | 1828893181303848960 |
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| author | Domenica Farci Patrycja Haniewicz Emma Cocco Antonio De Agostini Pierluigi Cortis Magdalena Kusaka Maria C. Loi Dario Piano Dario Piano |
| author_facet | Domenica Farci Patrycja Haniewicz Emma Cocco Antonio De Agostini Pierluigi Cortis Magdalena Kusaka Maria C. Loi Dario Piano Dario Piano |
| author_sort | Domenica Farci |
| collection | DOAJ |
| description | Seed’s maturity and integrity are essential requirements for germination, and they rely on nutrients availability and a correct phytohormones’ balance. These aspects are prerequisites for prompt germination at the end of the dormancy period and strictly depend on chloroplast metabolism and photosynthesis. In the present work, capsules of Nicotiana tabacum were grown in dark during the whole post-anthesis period. Among others, photosynthetic rates, dormancy, and phytohormones levels in seeds were found to be significantly different with respect to controls. In particular, etiolated capsules had expectedly reduced photosynthetic rates and, when compared to controls, their seeds had an increased mass and volume, an alteration in hormones level, and a consequently reduced dormancy. The present findings show how, during fruit development, the presence of light and the related fruit’s photosynthetic activity play an indirect but essential role for reaching seeds maturity and dormancy. Results highlight how unripe fruits are versatile organs that, depending on the environmental conditions, may facultatively behave as sink or source/sink with associated variation in seed’s reserves and phytohormone levels. |
| first_indexed | 2024-12-13T13:49:04Z |
| format | Article |
| id | doaj.art-69f498fb275348b9ac2e9885dbe1ba21 |
| institution | Directory Open Access Journal |
| issn | 1664-462X |
| language | English |
| last_indexed | 2024-12-13T13:49:04Z |
| publishDate | 2020-10-01 |
| publisher | Frontiers Media S.A. |
| record_format | Article |
| series | Frontiers in Plant Science |
| spelling | doaj.art-69f498fb275348b9ac2e9885dbe1ba212022-12-21T23:43:16ZengFrontiers Media S.A.Frontiers in Plant Science1664-462X2020-10-011110.3389/fpls.2020.563971563971The Impact of Fruit Etiolation on Quality of Seeds in TobaccoDomenica Farci0Patrycja Haniewicz1Emma Cocco2Antonio De Agostini3Pierluigi Cortis4Magdalena Kusaka5Maria C. Loi6Dario Piano7Dario Piano8Department of Plant Physiology, Warsaw University of Life Sciences—SGGW, Warsaw, PolandDepartment of Plant Physiology, Warsaw University of Life Sciences—SGGW, Warsaw, PolandLaboratory of Plant Physiology and Photobiology, Department of Life and Environmental Sciences, University of Cagliari, Cagliari, ItalyDepartment of Life and Environmental Sciences, University of Cagliari, Cagliari, ItalyDepartment of Life and Environmental Sciences, University of Cagliari, Cagliari, ItalyDepartment of Plant Physiology, Warsaw University of Life Sciences—SGGW, Warsaw, PolandLaboratory of Plant Physiology and Photobiology, Department of Life and Environmental Sciences, University of Cagliari, Cagliari, ItalyDepartment of Plant Physiology, Warsaw University of Life Sciences—SGGW, Warsaw, PolandLaboratory of Plant Physiology and Photobiology, Department of Life and Environmental Sciences, University of Cagliari, Cagliari, ItalySeed’s maturity and integrity are essential requirements for germination, and they rely on nutrients availability and a correct phytohormones’ balance. These aspects are prerequisites for prompt germination at the end of the dormancy period and strictly depend on chloroplast metabolism and photosynthesis. In the present work, capsules of Nicotiana tabacum were grown in dark during the whole post-anthesis period. Among others, photosynthetic rates, dormancy, and phytohormones levels in seeds were found to be significantly different with respect to controls. In particular, etiolated capsules had expectedly reduced photosynthetic rates and, when compared to controls, their seeds had an increased mass and volume, an alteration in hormones level, and a consequently reduced dormancy. The present findings show how, during fruit development, the presence of light and the related fruit’s photosynthetic activity play an indirect but essential role for reaching seeds maturity and dormancy. Results highlight how unripe fruits are versatile organs that, depending on the environmental conditions, may facultatively behave as sink or source/sink with associated variation in seed’s reserves and phytohormone levels.https://www.frontiersin.org/article/10.3389/fpls.2020.563971/fulldormancygerminationNicotiana tabacumphytohormonesphotosynthesispost-anthesis |
| spellingShingle | Domenica Farci Patrycja Haniewicz Emma Cocco Antonio De Agostini Pierluigi Cortis Magdalena Kusaka Maria C. Loi Dario Piano Dario Piano The Impact of Fruit Etiolation on Quality of Seeds in Tobacco Frontiers in Plant Science dormancy germination Nicotiana tabacum phytohormones photosynthesis post-anthesis |
| title | The Impact of Fruit Etiolation on Quality of Seeds in Tobacco |
| title_full | The Impact of Fruit Etiolation on Quality of Seeds in Tobacco |
| title_fullStr | The Impact of Fruit Etiolation on Quality of Seeds in Tobacco |
| title_full_unstemmed | The Impact of Fruit Etiolation on Quality of Seeds in Tobacco |
| title_short | The Impact of Fruit Etiolation on Quality of Seeds in Tobacco |
| title_sort | impact of fruit etiolation on quality of seeds in tobacco |
| topic | dormancy germination Nicotiana tabacum phytohormones photosynthesis post-anthesis |
| url | https://www.frontiersin.org/article/10.3389/fpls.2020.563971/full |
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