Modulation of growth, photosynthetic capacity and water relations in salt stressed wheat plants by exogenously applied 24-epibrassinolide
Abstract Brassinosteroids promote the growth of plants and are effective in alleviating adverse effects of abiotic stresses such as salinity and drought. Under saline conditions, improvement in grain yield is more important than simple growth. Previously it was found that although foliar application...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Ali, Qasim [verfasserIn] |
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| Format: |
Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2008 |
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| Schlagwörter: |
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| Anmerkung: |
© Springer Science+Business Media B.V. 2008 |
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| Übergeordnetes Werk: |
Enthalten in: Plant growth regulation - Springer Netherlands, 1982, 56(2008), 2 vom: 16. Juni, Seite 107-116 |
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| Übergeordnetes Werk: |
volume:56 ; year:2008 ; number:2 ; day:16 ; month:06 ; pages:107-116 |
| Links: |
|---|
| DOI / URN: |
10.1007/s10725-008-9290-7 |
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| Katalog-ID: |
OLC2039353232 |
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| 520 | |a Abstract Brassinosteroids promote the growth of plants and are effective in alleviating adverse effects of abiotic stresses such as salinity and drought. Under saline conditions, improvement in grain yield is more important than simple growth. Previously it was found that although foliar application of brassinosteroids improved growth of wheat plants, it did not increase grain yield. In present study, influence of root applied 24-epibrassinolide was assessed in improving growth and yield of two wheat cultivars. Plants of a salt tolerant (S-24) and a moderately salt sensitive (MH-97) were grown at 0 or 120 mM NaCl in continuously aerated Hoagland’s nutrient solution. Different concentrations of 24-epibrassinolide (0, 0.052, 0.104, 0.156 μM) were also maintained in the solution culture. Exogenous application of 24-epibrassinolide counteracted the salt stress-induced growth and grain yield inhibition of both wheat cultivars. Of the varying 24-epibrassinolide concentrations used, the most effective concentrations for promoting growth were 0.104 and 0.052 μM under normal and saline conditions, respectively. However, root applied 0.052 μM 24-epibrassinolide enhanced the total grain yield and 100 grain weight of salt stressed plants of both cultivars and suggested that total grain yield was mainly increased by increase in grain size which might have been due to 24-epibrassinolide induced increase in translocation of more photoassimilates towards grain. Growth improvement in both cultivars due to root applied 24-epibrassinolide was found to be associated with improved photosynthetic capacity. Changes in photosynthetic rate due to 24-epibrassinolide application were found to be associated with non-stomatal limitations, other than photochemical efficiency of PSII and photosynthetic pigments. Leaf turgor potential found not to be involved in growth promotion. | ||
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| 650 | 4 | |a Growth | |
| 650 | 4 | |a Gas exchange | |
| 650 | 4 | |a Photochemical efficiency | |
| 700 | 1 | |a Athar, Habib-ur-Rehman |4 aut | |
| 700 | 1 | |a Ashraf, M. |4 aut | |
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10.1007/s10725-008-9290-7 doi (DE-627)OLC2039353232 (DE-He213)s10725-008-9290-7-p DE-627 ger DE-627 rakwb eng 580 333.7 VZ 12 ssgn Ali, Qasim verfasserin aut Modulation of growth, photosynthetic capacity and water relations in salt stressed wheat plants by exogenously applied 24-epibrassinolide 2008 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science+Business Media B.V. 2008 Abstract Brassinosteroids promote the growth of plants and are effective in alleviating adverse effects of abiotic stresses such as salinity and drought. Under saline conditions, improvement in grain yield is more important than simple growth. Previously it was found that although foliar application of brassinosteroids improved growth of wheat plants, it did not increase grain yield. In present study, influence of root applied 24-epibrassinolide was assessed in improving growth and yield of two wheat cultivars. Plants of a salt tolerant (S-24) and a moderately salt sensitive (MH-97) were grown at 0 or 120 mM NaCl in continuously aerated Hoagland’s nutrient solution. Different concentrations of 24-epibrassinolide (0, 0.052, 0.104, 0.156 μM) were also maintained in the solution culture. Exogenous application of 24-epibrassinolide counteracted the salt stress-induced growth and grain yield inhibition of both wheat cultivars. Of the varying 24-epibrassinolide concentrations used, the most effective concentrations for promoting growth were 0.104 and 0.052 μM under normal and saline conditions, respectively. However, root applied 0.052 μM 24-epibrassinolide enhanced the total grain yield and 100 grain weight of salt stressed plants of both cultivars and suggested that total grain yield was mainly increased by increase in grain size which might have been due to 24-epibrassinolide induced increase in translocation of more photoassimilates towards grain. Growth improvement in both cultivars due to root applied 24-epibrassinolide was found to be associated with improved photosynthetic capacity. Changes in photosynthetic rate due to 24-epibrassinolide application were found to be associated with non-stomatal limitations, other than photochemical efficiency of PSII and photosynthetic pigments. Leaf turgor potential found not to be involved in growth promotion. Brassinosteroid Growth Gas exchange Photochemical efficiency Athar, Habib-ur-Rehman aut Ashraf, M. aut Enthalten in Plant growth regulation Springer Netherlands, 1982 56(2008), 2 vom: 16. Juni, Seite 107-116 (DE-627)130652423 (DE-600)843025-1 (DE-576)016203275 0167-6903 nnns volume:56 year:2008 number:2 day:16 month:06 pages:107-116 https://doi.org/10.1007/s10725-008-9290-7 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-UMW SSG-OLC-FOR GBV_ILN_31 GBV_ILN_65 GBV_ILN_70 GBV_ILN_211 GBV_ILN_285 GBV_ILN_4012 GBV_ILN_4219 AR 56 2008 2 16 06 107-116 |
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10.1007/s10725-008-9290-7 doi (DE-627)OLC2039353232 (DE-He213)s10725-008-9290-7-p DE-627 ger DE-627 rakwb eng 580 333.7 VZ 12 ssgn Ali, Qasim verfasserin aut Modulation of growth, photosynthetic capacity and water relations in salt stressed wheat plants by exogenously applied 24-epibrassinolide 2008 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science+Business Media B.V. 2008 Abstract Brassinosteroids promote the growth of plants and are effective in alleviating adverse effects of abiotic stresses such as salinity and drought. Under saline conditions, improvement in grain yield is more important than simple growth. Previously it was found that although foliar application of brassinosteroids improved growth of wheat plants, it did not increase grain yield. In present study, influence of root applied 24-epibrassinolide was assessed in improving growth and yield of two wheat cultivars. Plants of a salt tolerant (S-24) and a moderately salt sensitive (MH-97) were grown at 0 or 120 mM NaCl in continuously aerated Hoagland’s nutrient solution. Different concentrations of 24-epibrassinolide (0, 0.052, 0.104, 0.156 μM) were also maintained in the solution culture. Exogenous application of 24-epibrassinolide counteracted the salt stress-induced growth and grain yield inhibition of both wheat cultivars. Of the varying 24-epibrassinolide concentrations used, the most effective concentrations for promoting growth were 0.104 and 0.052 μM under normal and saline conditions, respectively. However, root applied 0.052 μM 24-epibrassinolide enhanced the total grain yield and 100 grain weight of salt stressed plants of both cultivars and suggested that total grain yield was mainly increased by increase in grain size which might have been due to 24-epibrassinolide induced increase in translocation of more photoassimilates towards grain. Growth improvement in both cultivars due to root applied 24-epibrassinolide was found to be associated with improved photosynthetic capacity. Changes in photosynthetic rate due to 24-epibrassinolide application were found to be associated with non-stomatal limitations, other than photochemical efficiency of PSII and photosynthetic pigments. Leaf turgor potential found not to be involved in growth promotion. Brassinosteroid Growth Gas exchange Photochemical efficiency Athar, Habib-ur-Rehman aut Ashraf, M. aut Enthalten in Plant growth regulation Springer Netherlands, 1982 56(2008), 2 vom: 16. Juni, Seite 107-116 (DE-627)130652423 (DE-600)843025-1 (DE-576)016203275 0167-6903 nnns volume:56 year:2008 number:2 day:16 month:06 pages:107-116 https://doi.org/10.1007/s10725-008-9290-7 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-UMW SSG-OLC-FOR GBV_ILN_31 GBV_ILN_65 GBV_ILN_70 GBV_ILN_211 GBV_ILN_285 GBV_ILN_4012 GBV_ILN_4219 AR 56 2008 2 16 06 107-116 |
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10.1007/s10725-008-9290-7 doi (DE-627)OLC2039353232 (DE-He213)s10725-008-9290-7-p DE-627 ger DE-627 rakwb eng 580 333.7 VZ 12 ssgn Ali, Qasim verfasserin aut Modulation of growth, photosynthetic capacity and water relations in salt stressed wheat plants by exogenously applied 24-epibrassinolide 2008 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science+Business Media B.V. 2008 Abstract Brassinosteroids promote the growth of plants and are effective in alleviating adverse effects of abiotic stresses such as salinity and drought. Under saline conditions, improvement in grain yield is more important than simple growth. Previously it was found that although foliar application of brassinosteroids improved growth of wheat plants, it did not increase grain yield. In present study, influence of root applied 24-epibrassinolide was assessed in improving growth and yield of two wheat cultivars. Plants of a salt tolerant (S-24) and a moderately salt sensitive (MH-97) were grown at 0 or 120 mM NaCl in continuously aerated Hoagland’s nutrient solution. Different concentrations of 24-epibrassinolide (0, 0.052, 0.104, 0.156 μM) were also maintained in the solution culture. Exogenous application of 24-epibrassinolide counteracted the salt stress-induced growth and grain yield inhibition of both wheat cultivars. Of the varying 24-epibrassinolide concentrations used, the most effective concentrations for promoting growth were 0.104 and 0.052 μM under normal and saline conditions, respectively. However, root applied 0.052 μM 24-epibrassinolide enhanced the total grain yield and 100 grain weight of salt stressed plants of both cultivars and suggested that total grain yield was mainly increased by increase in grain size which might have been due to 24-epibrassinolide induced increase in translocation of more photoassimilates towards grain. Growth improvement in both cultivars due to root applied 24-epibrassinolide was found to be associated with improved photosynthetic capacity. Changes in photosynthetic rate due to 24-epibrassinolide application were found to be associated with non-stomatal limitations, other than photochemical efficiency of PSII and photosynthetic pigments. Leaf turgor potential found not to be involved in growth promotion. Brassinosteroid Growth Gas exchange Photochemical efficiency Athar, Habib-ur-Rehman aut Ashraf, M. aut Enthalten in Plant growth regulation Springer Netherlands, 1982 56(2008), 2 vom: 16. Juni, Seite 107-116 (DE-627)130652423 (DE-600)843025-1 (DE-576)016203275 0167-6903 nnns volume:56 year:2008 number:2 day:16 month:06 pages:107-116 https://doi.org/10.1007/s10725-008-9290-7 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-UMW SSG-OLC-FOR GBV_ILN_31 GBV_ILN_65 GBV_ILN_70 GBV_ILN_211 GBV_ILN_285 GBV_ILN_4012 GBV_ILN_4219 AR 56 2008 2 16 06 107-116 |
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10.1007/s10725-008-9290-7 doi (DE-627)OLC2039353232 (DE-He213)s10725-008-9290-7-p DE-627 ger DE-627 rakwb eng 580 333.7 VZ 12 ssgn Ali, Qasim verfasserin aut Modulation of growth, photosynthetic capacity and water relations in salt stressed wheat plants by exogenously applied 24-epibrassinolide 2008 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science+Business Media B.V. 2008 Abstract Brassinosteroids promote the growth of plants and are effective in alleviating adverse effects of abiotic stresses such as salinity and drought. Under saline conditions, improvement in grain yield is more important than simple growth. Previously it was found that although foliar application of brassinosteroids improved growth of wheat plants, it did not increase grain yield. In present study, influence of root applied 24-epibrassinolide was assessed in improving growth and yield of two wheat cultivars. Plants of a salt tolerant (S-24) and a moderately salt sensitive (MH-97) were grown at 0 or 120 mM NaCl in continuously aerated Hoagland’s nutrient solution. Different concentrations of 24-epibrassinolide (0, 0.052, 0.104, 0.156 μM) were also maintained in the solution culture. Exogenous application of 24-epibrassinolide counteracted the salt stress-induced growth and grain yield inhibition of both wheat cultivars. Of the varying 24-epibrassinolide concentrations used, the most effective concentrations for promoting growth were 0.104 and 0.052 μM under normal and saline conditions, respectively. However, root applied 0.052 μM 24-epibrassinolide enhanced the total grain yield and 100 grain weight of salt stressed plants of both cultivars and suggested that total grain yield was mainly increased by increase in grain size which might have been due to 24-epibrassinolide induced increase in translocation of more photoassimilates towards grain. Growth improvement in both cultivars due to root applied 24-epibrassinolide was found to be associated with improved photosynthetic capacity. Changes in photosynthetic rate due to 24-epibrassinolide application were found to be associated with non-stomatal limitations, other than photochemical efficiency of PSII and photosynthetic pigments. Leaf turgor potential found not to be involved in growth promotion. Brassinosteroid Growth Gas exchange Photochemical efficiency Athar, Habib-ur-Rehman aut Ashraf, M. aut Enthalten in Plant growth regulation Springer Netherlands, 1982 56(2008), 2 vom: 16. Juni, Seite 107-116 (DE-627)130652423 (DE-600)843025-1 (DE-576)016203275 0167-6903 nnns volume:56 year:2008 number:2 day:16 month:06 pages:107-116 https://doi.org/10.1007/s10725-008-9290-7 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-UMW SSG-OLC-FOR GBV_ILN_31 GBV_ILN_65 GBV_ILN_70 GBV_ILN_211 GBV_ILN_285 GBV_ILN_4012 GBV_ILN_4219 AR 56 2008 2 16 06 107-116 |
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10.1007/s10725-008-9290-7 doi (DE-627)OLC2039353232 (DE-He213)s10725-008-9290-7-p DE-627 ger DE-627 rakwb eng 580 333.7 VZ 12 ssgn Ali, Qasim verfasserin aut Modulation of growth, photosynthetic capacity and water relations in salt stressed wheat plants by exogenously applied 24-epibrassinolide 2008 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science+Business Media B.V. 2008 Abstract Brassinosteroids promote the growth of plants and are effective in alleviating adverse effects of abiotic stresses such as salinity and drought. Under saline conditions, improvement in grain yield is more important than simple growth. Previously it was found that although foliar application of brassinosteroids improved growth of wheat plants, it did not increase grain yield. In present study, influence of root applied 24-epibrassinolide was assessed in improving growth and yield of two wheat cultivars. Plants of a salt tolerant (S-24) and a moderately salt sensitive (MH-97) were grown at 0 or 120 mM NaCl in continuously aerated Hoagland’s nutrient solution. Different concentrations of 24-epibrassinolide (0, 0.052, 0.104, 0.156 μM) were also maintained in the solution culture. Exogenous application of 24-epibrassinolide counteracted the salt stress-induced growth and grain yield inhibition of both wheat cultivars. Of the varying 24-epibrassinolide concentrations used, the most effective concentrations for promoting growth were 0.104 and 0.052 μM under normal and saline conditions, respectively. However, root applied 0.052 μM 24-epibrassinolide enhanced the total grain yield and 100 grain weight of salt stressed plants of both cultivars and suggested that total grain yield was mainly increased by increase in grain size which might have been due to 24-epibrassinolide induced increase in translocation of more photoassimilates towards grain. Growth improvement in both cultivars due to root applied 24-epibrassinolide was found to be associated with improved photosynthetic capacity. Changes in photosynthetic rate due to 24-epibrassinolide application were found to be associated with non-stomatal limitations, other than photochemical efficiency of PSII and photosynthetic pigments. Leaf turgor potential found not to be involved in growth promotion. Brassinosteroid Growth Gas exchange Photochemical efficiency Athar, Habib-ur-Rehman aut Ashraf, M. aut Enthalten in Plant growth regulation Springer Netherlands, 1982 56(2008), 2 vom: 16. Juni, Seite 107-116 (DE-627)130652423 (DE-600)843025-1 (DE-576)016203275 0167-6903 nnns volume:56 year:2008 number:2 day:16 month:06 pages:107-116 https://doi.org/10.1007/s10725-008-9290-7 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-UMW SSG-OLC-FOR GBV_ILN_31 GBV_ILN_65 GBV_ILN_70 GBV_ILN_211 GBV_ILN_285 GBV_ILN_4012 GBV_ILN_4219 AR 56 2008 2 16 06 107-116 |
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Enthalten in Plant growth regulation 56(2008), 2 vom: 16. Juni, Seite 107-116 volume:56 year:2008 number:2 day:16 month:06 pages:107-116 |
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modulation of growth, photosynthetic capacity and water relations in salt stressed wheat plants by exogenously applied 24-epibrassinolide |
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Modulation of growth, photosynthetic capacity and water relations in salt stressed wheat plants by exogenously applied 24-epibrassinolide |
| abstract |
Abstract Brassinosteroids promote the growth of plants and are effective in alleviating adverse effects of abiotic stresses such as salinity and drought. Under saline conditions, improvement in grain yield is more important than simple growth. Previously it was found that although foliar application of brassinosteroids improved growth of wheat plants, it did not increase grain yield. In present study, influence of root applied 24-epibrassinolide was assessed in improving growth and yield of two wheat cultivars. Plants of a salt tolerant (S-24) and a moderately salt sensitive (MH-97) were grown at 0 or 120 mM NaCl in continuously aerated Hoagland’s nutrient solution. Different concentrations of 24-epibrassinolide (0, 0.052, 0.104, 0.156 μM) were also maintained in the solution culture. Exogenous application of 24-epibrassinolide counteracted the salt stress-induced growth and grain yield inhibition of both wheat cultivars. Of the varying 24-epibrassinolide concentrations used, the most effective concentrations for promoting growth were 0.104 and 0.052 μM under normal and saline conditions, respectively. However, root applied 0.052 μM 24-epibrassinolide enhanced the total grain yield and 100 grain weight of salt stressed plants of both cultivars and suggested that total grain yield was mainly increased by increase in grain size which might have been due to 24-epibrassinolide induced increase in translocation of more photoassimilates towards grain. Growth improvement in both cultivars due to root applied 24-epibrassinolide was found to be associated with improved photosynthetic capacity. Changes in photosynthetic rate due to 24-epibrassinolide application were found to be associated with non-stomatal limitations, other than photochemical efficiency of PSII and photosynthetic pigments. Leaf turgor potential found not to be involved in growth promotion. © Springer Science+Business Media B.V. 2008 |
| abstractGer |
Abstract Brassinosteroids promote the growth of plants and are effective in alleviating adverse effects of abiotic stresses such as salinity and drought. Under saline conditions, improvement in grain yield is more important than simple growth. Previously it was found that although foliar application of brassinosteroids improved growth of wheat plants, it did not increase grain yield. In present study, influence of root applied 24-epibrassinolide was assessed in improving growth and yield of two wheat cultivars. Plants of a salt tolerant (S-24) and a moderately salt sensitive (MH-97) were grown at 0 or 120 mM NaCl in continuously aerated Hoagland’s nutrient solution. Different concentrations of 24-epibrassinolide (0, 0.052, 0.104, 0.156 μM) were also maintained in the solution culture. Exogenous application of 24-epibrassinolide counteracted the salt stress-induced growth and grain yield inhibition of both wheat cultivars. Of the varying 24-epibrassinolide concentrations used, the most effective concentrations for promoting growth were 0.104 and 0.052 μM under normal and saline conditions, respectively. However, root applied 0.052 μM 24-epibrassinolide enhanced the total grain yield and 100 grain weight of salt stressed plants of both cultivars and suggested that total grain yield was mainly increased by increase in grain size which might have been due to 24-epibrassinolide induced increase in translocation of more photoassimilates towards grain. Growth improvement in both cultivars due to root applied 24-epibrassinolide was found to be associated with improved photosynthetic capacity. Changes in photosynthetic rate due to 24-epibrassinolide application were found to be associated with non-stomatal limitations, other than photochemical efficiency of PSII and photosynthetic pigments. Leaf turgor potential found not to be involved in growth promotion. © Springer Science+Business Media B.V. 2008 |
| abstract_unstemmed |
Abstract Brassinosteroids promote the growth of plants and are effective in alleviating adverse effects of abiotic stresses such as salinity and drought. Under saline conditions, improvement in grain yield is more important than simple growth. Previously it was found that although foliar application of brassinosteroids improved growth of wheat plants, it did not increase grain yield. In present study, influence of root applied 24-epibrassinolide was assessed in improving growth and yield of two wheat cultivars. Plants of a salt tolerant (S-24) and a moderately salt sensitive (MH-97) were grown at 0 or 120 mM NaCl in continuously aerated Hoagland’s nutrient solution. Different concentrations of 24-epibrassinolide (0, 0.052, 0.104, 0.156 μM) were also maintained in the solution culture. Exogenous application of 24-epibrassinolide counteracted the salt stress-induced growth and grain yield inhibition of both wheat cultivars. Of the varying 24-epibrassinolide concentrations used, the most effective concentrations for promoting growth were 0.104 and 0.052 μM under normal and saline conditions, respectively. However, root applied 0.052 μM 24-epibrassinolide enhanced the total grain yield and 100 grain weight of salt stressed plants of both cultivars and suggested that total grain yield was mainly increased by increase in grain size which might have been due to 24-epibrassinolide induced increase in translocation of more photoassimilates towards grain. Growth improvement in both cultivars due to root applied 24-epibrassinolide was found to be associated with improved photosynthetic capacity. Changes in photosynthetic rate due to 24-epibrassinolide application were found to be associated with non-stomatal limitations, other than photochemical efficiency of PSII and photosynthetic pigments. Leaf turgor potential found not to be involved in growth promotion. © Springer Science+Business Media B.V. 2008 |
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