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Presowing Seed Treatment With Glycine Betaine Confers Nacl Tolerance In Quinoa Bymodulating Some Physiological Processes And Antioxidant Machinery, Muhammad Faisal Maqsood, Muhammad Shahbaz, Muhammad Arfan, Shahzad Maqsood Ahmed Basra
Presowing Seed Treatment With Glycine Betaine Confers Nacl Tolerance In Quinoa Bymodulating Some Physiological Processes And Antioxidant Machinery, Muhammad Faisal Maqsood, Muhammad Shahbaz, Muhammad Arfan, Shahzad Maqsood Ahmed Basra
Turkish Journal of Botany
Soil salinity threatens the yield and food security worldwide and use of halophytes might be a valid option to cope with devastating salinity effects. The present investigation was accomplished to evaluate the role of glycine betaine (GB) as presowing seed treatment on growth parameters, photosynthetic pigments, gas exchange attributes, enzymatic antioxidants, lipid peroxidation (MDA), hydrogen peroxide (H2 O2 ), endogenous GB, total soluble proteins (TSP), and yield in quinoa (Chenopodium quinoa) under saline conditions. Ames-13737 (Q7) and PI-634919 (Q9) quinoa accessions were used for this trial. The plants were applied with two salt stress treatments (Control and 450 mM NaCl) …
Regulation Of Antioxidant Activity In Maize (Zea Mays L.) By Exogenous Application Of Sulfur Under Saline Conditions, Alia Riffat, Muhammad Sajid Aqeel Ahmad
Regulation Of Antioxidant Activity In Maize (Zea Mays L.) By Exogenous Application Of Sulfur Under Saline Conditions, Alia Riffat, Muhammad Sajid Aqeel Ahmad
Turkish Journal of Botany
One of the major effects of salt stress is high production of reactive oxygen species that adversely affect essential cellular metabolic pathways. To limit the elevated production of reactive oxygen species, plants stimulate various types of antioxidants. In this study, sulfur was used to induce tolerance against oxidative stress through modulation of the activities of various antioxidants. Two maize genotypes (Agatti 2003 and Pak Afgoi 2003) were subjected to different salinity (25 and 75 mM) and sulfur (40 and 80 mM) treatments and a control treatment. Various antioxidants and oxidative stress determinants in maize organs (leaf, shoot, and root) were …
Use Of Hydrogen Peroxide In Acclimation Of Basil (Ocimum Basilicum L.) To Salt Stress, Hewsley Silva, André Azevedo Neto, Renata Menezes, Petterson Silva, Hans Gheyi
Use Of Hydrogen Peroxide In Acclimation Of Basil (Ocimum Basilicum L.) To Salt Stress, Hewsley Silva, André Azevedo Neto, Renata Menezes, Petterson Silva, Hans Gheyi
Turkish Journal of Botany
The aim of this study was to verify the effects of application of H2O2 on salt tolerance and oil production in basil cv. `Gennaro de Menta? grown in a hydroponic system. Seedlings were subjected to 3 levels of H2O2 (0, 1, and 1000 ?M) in a nutrient solution during 2 different exposure periods (24 and 48 h) and 2 levels of NaCl (0 and 80 mM). The plants were harvested at preflowering (at 15 days) and postflowering (at 25 days). At 25 days, the application of 1 ?M H2O2/48 h and its reapplication at preflowering increased leaf dry mass production …
Characteristic Of Glutamate Cysteine Ligase Gene And Its Response To The Salinity And Temperature Stress In Chlamydomonas Sp. Ice-L From Antarctica, Yueyue Peng, Yu Ding, Xiaochen Tang, Jichang Jian, Jinhui Wang, Quanfu Wang
Characteristic Of Glutamate Cysteine Ligase Gene And Its Response To The Salinity And Temperature Stress In Chlamydomonas Sp. Ice-L From Antarctica, Yueyue Peng, Yu Ding, Xiaochen Tang, Jichang Jian, Jinhui Wang, Quanfu Wang
Turkish Journal of Botany
Chlamydomonas sp. ICE-L, an Antarctic ice alga, has high tolerance ability to freezing and salinity. Glutathione (GSH) is an important small antioxidative molecule in the growth and stress responses of plants including algae. We cloned a full-length cDNA encoding glutamate cysteine ligase (ICE-LGCL), the key enzyme of GSH synthesis, from Chlamydomonas sp. ICE-L by RT-PCR and rapid amplification of cDNA ends technique (RACE). The cDNA has 2199 bp nucleotides with an open reading frame (ORF) of 1452 bp encoding a polypeptide of 453 amino acids. BLASTP algorithm results showed that ICE-LGCL shared 51%-70% amino acid sequence identity with the reported …
A Novel Phytoene Synthase Paralog From Halophytic Salicorniaconfers Salinity Tolerance In Plants, Nazia Rehman, Muhammad Ramzan Khan, Ghulam Muhammad Ali
A Novel Phytoene Synthase Paralog From Halophytic Salicorniaconfers Salinity Tolerance In Plants, Nazia Rehman, Muhammad Ramzan Khan, Ghulam Muhammad Ali
Turkish Journal of Botany
Salicornia seems to be a suitable euhalophyte for the study of salt stress resilience mechanism and exploitation of salinity-tolerant genes for crop yield improvement. In this study, we cloned a novel SePSY1 gene from an extremely salt-tolerant glycophyte, Salicornia europaea. The sequence analysis revealed that the newly isolated gene is a paralog of PSY, suggesting a gene duplication event in Salicornia. The newly isolated gene encodes a protein of 419 amino acids. The C-terminus containing a Trans-IPPS-H domain with catalytic and binding regions exhibits considerable conservation in various species, while the N-terminus remained divergent. The structural analysis suggested a catalytic …
Foliar Spray Of Phyto-Extracts Supplemented With Silicon: An Efficacious Strategy To Alleviate The Salinity-Induced Deleterious Effects In Pea (Pisum Sativum L.), Muhammad Adnan Shahid, Rashad Mukhtar Balal, Muhammad Aslam Pervez, Tahira Abbas, Muhammad Anjum Aqueel, Muhammad Mansoor Javaid, Francisco Garcia-Sanchez
Foliar Spray Of Phyto-Extracts Supplemented With Silicon: An Efficacious Strategy To Alleviate The Salinity-Induced Deleterious Effects In Pea (Pisum Sativum L.), Muhammad Adnan Shahid, Rashad Mukhtar Balal, Muhammad Aslam Pervez, Tahira Abbas, Muhammad Anjum Aqueel, Muhammad Mansoor Javaid, Francisco Garcia-Sanchez
Turkish Journal of Botany
A pot culture study was conducted to assess the ameliorative effect of silicon, Melia azadirachta leaf extract, and sugar beet root extract, each applied individually or in different combinations, on salinity-induced detrimental effects in pea (Pisum sativum L.). Salinity markedly inhibited the growth, various gas exchange attributes, total phenol contents, membrane stability index, and productivity. On the other hand, lipid peroxidation, electrolyte leakage, H2O2 content, antioxidant activities, and leaf free proline and glycinebetaine contents were significantly enhanced by salinity. However, exogenously applied Si and phyto-extracts markedly alleviated the salinity-induced drastic effects on growth, gas exchange attributes, and productivity. Both phyto-extracts …
Identification And Characterization Of A Seed-Specific Grapevine Dehydrin Involved In Abiotic Stress Response Within Tolerant Varieties, Mohsen Hanana, Samia Daldoul, Romain Fouquet, Laurent Deluc, Celine Leon, Michael Hoefer, Francois Barrieu, Abdelwahed Ghorbel
Identification And Characterization Of A Seed-Specific Grapevine Dehydrin Involved In Abiotic Stress Response Within Tolerant Varieties, Mohsen Hanana, Samia Daldoul, Romain Fouquet, Laurent Deluc, Celine Leon, Michael Hoefer, Francois Barrieu, Abdelwahed Ghorbel
Turkish Journal of Botany
To identify and isolate genes related to abiotic stress (salinity and drought) tolerance in grapevine, a candidate gene approach led to the isolation from Cabernet Sauvignon cultivar of a full-length cDNA of dehydrin gene. The latter, named VvDhn, which is highly and mainly induced in late embryogenesis in seeds, encodes for a protein of 124 amino acids with a predicted molecular mass of 13.3 kDa. Details of the physicochemical parameters and structural properties (molecular mass, secondary structure, conserved domains and motives, and putative posttranslational modification sites) of the encoded protein have also been elucidated. The expression study of VvDhn was …
Triacontanol-Induced Changes In Growth, Yield, Leaf Water Relations, Oxidative Defense System, Minerals, And Some Key Osmoprotectants In Triticum Aestivum Under Saline Conditions, Shagufta Perveen, Muhammad Shahbaz, Muhammad Ashraf
Triacontanol-Induced Changes In Growth, Yield, Leaf Water Relations, Oxidative Defense System, Minerals, And Some Key Osmoprotectants In Triticum Aestivum Under Saline Conditions, Shagufta Perveen, Muhammad Shahbaz, Muhammad Ashraf
Turkish Journal of Botany
To investigate the effect of exogenous application of triacontanol (TRIA) on 2 wheat (Triticum aestivum L.) cultivars (S-24 and MH-97) under salt stress, an experiment was conducted in a greenhouse under natural climatic conditions. Both cultivars were grown in full strength Hoagland's nutrient solution under nonsaline (0 mM NaCl) or saline (150 mM NaCl) conditions in sand culture. Three optimized TRIA levels (0, 10, and 20 µM) were used as foliar spray at 3 growth stages, i.e. vegetative, boot, and vegetative + boot stages. Ninety-two-day-old plants were subjected to data analysis. Salinity stress adversely affected various growth, physiological, and biochemical …
Protective Role Of Foliar-Applied Nitric Oxide In Triticum Aestivum Under Saline Stress, Farhana Kausar, Muhammad Shahbaz, Muhammad Ashraf
Protective Role Of Foliar-Applied Nitric Oxide In Triticum Aestivum Under Saline Stress, Farhana Kausar, Muhammad Shahbaz, Muhammad Ashraf
Turkish Journal of Botany
A study was conducted to assess whether foliar-applied nitric oxide (NO) could alleviate the adverse effects of salt stress on wheat (Triticum aestivum L.). Four sodium nitroprusside levels (control [water spray] and 0.05, 0.10, and 0.15 mM) were sprayed as a donor of NO on the leaves of cultivar S-24 plants grown under nonsaline and saline conditions (150 mM NaCl). Data for growth and yield, chlorophyll contents, activities of antioxidants, and concentrations of mineral nutrients were recorded. Root-medium salinity adversely affected shoot and root dry weight, shoot length, and yield attributes of the wheat plants while it enhanced the activities …
Morphology And Density Of Trichomes And Stomata Of Trichosanthes Cucumerina (Cucurbitaceae) As Affected By Leaf Age And Salinity, Odunayo Clement Adebooye, Mauricio Hunsche, Georg Noga, Christa Lankes
Morphology And Density Of Trichomes And Stomata Of Trichosanthes Cucumerina (Cucurbitaceae) As Affected By Leaf Age And Salinity, Odunayo Clement Adebooye, Mauricio Hunsche, Georg Noga, Christa Lankes
Turkish Journal of Botany
We investigated the relationship between leaf age and trichome/stomata densities in the snake tomato (Trichosanthes cucumerina L.). In a second experiment, the effects of different salinity levels on trichome and stomatal densities and their micromorphology were investigated. The leaf age investigation utilised young, semiold, and old leaves, while the salinity study utilised 0, 60, 120, and 180 mM NaCl for the investigation. Two morphotypes (Variant --Green and Variant B-Light Green) of T. cucumerina were used for the salinity experiment while only Variant B-Light Green was used for the leaf age investigation. This study identified 2 discernible types of trichomes in …
Antioxidative Potentials As A Protective Mechanism In Catharanthus Roseus (L.) G.Don. Plants Under Salinity Stress, Cheruth Abdul Jaleel, Ragupathi Gopi, Paramasivam Manivannan, Rajaram Panneerselvam
Antioxidative Potentials As A Protective Mechanism In Catharanthus Roseus (L.) G.Don. Plants Under Salinity Stress, Cheruth Abdul Jaleel, Ragupathi Gopi, Paramasivam Manivannan, Rajaram Panneerselvam
Turkish Journal of Botany
Antioxidant responses were analysed in Catharanthus roseus (L.) G.Don. under 0, 50 and 100 mM NaCl in order to investigate the plant´s protective mechanisms against long-term salt-induced oxidative stress. The NaCl treatments were repeated in 4 different stages of growth, i.e. 30, 45, 60 and 75 days after sowing (DAS). The plants were uprooted randomly 90 DAS and the non-enzymatic and enzymatic antioxidant potentials were analysed. High salinity caused a decrease in reduced glutathione (GSH) and an enhancement in total ascorbate (AA) content and the antioxidant enzyme and ascorbate peroxidase (APX, EC 1.11.1.11) activities. Moreover, salinity induced a significant decline …
Alleviation Of Salinity-Induced Dormancy By Growth Regulators In Wheat Seeds, Zamin Shaheed Siddiqui, Syed Shahid Shaukat, Arif Uz Zaman
Alleviation Of Salinity-Induced Dormancy By Growth Regulators In Wheat Seeds, Zamin Shaheed Siddiqui, Syed Shahid Shaukat, Arif Uz Zaman
Turkish Journal of Botany
The effect of 2 growth regulators, betaine and thiourea, was examined to learn the extent to which they can alleviate salinity-induced dormancy of wheat seeds. Germination velocity (as measured by Timson index) progressively decreased with increasing salinity, while thiourea and betaine, alone or in combination, elevated the germination velocity of wheat seeds. Timson index showed significant improvement in germination velocity when thiourea was used at 225 mM NaCl. Likewise, the adverse effect of salinity on growth parameters, like root and shoot lengths and fresh and dry weights, was also alleviated considerably when growth regulators were added. The application of growth …
Effect Of Zinc Treatment On The Alleviation Of Sodium And Chloride Injury In Tomato (Lycopersicum Esculentum(L.) Mill. Cv. Lale) Grown Under Salinity, Mehmet Alpaslan, Ali İnal, Aydın Güneş, Yakup Çikili, Hesna Özcan
Effect Of Zinc Treatment On The Alleviation Of Sodium And Chloride Injury In Tomato (Lycopersicum Esculentum(L.) Mill. Cv. Lale) Grown Under Salinity, Mehmet Alpaslan, Ali İnal, Aydın Güneş, Yakup Çikili, Hesna Özcan
Turkish Journal of Botany
Nonsaline and saline (30 mM NaCl), Zn (10, 20, 40 mg kg -1 ) and without Zn treatment and factorial combinations of NaCl and Zn on the fresh and dry weights of the plants, and sodium (Na), chloride (Cl) and zinc (Zn) contents of both young and old leaves were determined and the effects of Zn on the Na and Cl translocation within the plants were investigated. Salinity decreased the fresh and dry weights of the plants while this effect of salinity diminished with increasing Zn levels. Na and Cl con-centrations of both young and old leaf tissues decreased with …