Role of foliar spray of plant growth regulators in improving photosynthetic pigments and metabolites in Plantago ovata (Psyllium) under salt stress – A field appraisal
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Samad, AbdulShaukat, Kanval
Ansari, Mahmood-Ur-Rehman
Nizar, Mereen
Zahra, Noreen
Naz, Ambreen
Iqbal, Hafiz Muhammad Waleed
Raza, Ali
Pešić, Vladan
Đalović, Ivica

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Salinity is one of the major abiotic factors that limit the growth and productivity of plants. Foliar application of plant growth regulators (PGRs) may help plants ameliorate the negative impacts of salinity. Thus, a field experiment was conducted at the Botanical Garden University of Balochistan, Quetta, to explore the potential role of PGRs, i.e., moringa leaf extract (MLE; 10%), proline (PRO; 1 µM), salicylic acid (SA; 250 µM), and thiourea (TU; 10 mM) in ameliorating the impacts of salinity (120 mM) on Plantago ovata, an important medicinal plant. Salinity hampered plant photosynthetic pigments and metabolites but elevated oxidative parameters. However, foliar application of PGRs enhanced photosynthetic pigments, including Chl b (21.11%), carotenoids (57.87%) except Chl a, activated the defense mechanisms by restoring and enhancing the metabolites, i.e., soluble sugars (49.68%), soluble phenolics (33.34%), and proline (31.47%), significantly under salinity stress. Furthermore, foli...ar supplementation of PGRs under salt stress led to a decrease of about 43.02% and 43.27% in hydrogen peroxide and malondialdehyde content, respectively. Thus, PGRs can be recommended for improved photosynthetic efficiency and metabolite content that can help to get better yield under salt stress, with the best and most effective treatments being those of PRO and MLE to predominately ameliorate the harsh impacts of salinity.
Keywords:
abiotic stress / proline / photosynthetic pigments / thiourea / salinity / salicylic acid / foliar spray / plant growth regulators / metabolites / Plantago ovata / psylliumSource:
Biocell, 2023, 47, 3, 523-532Publisher:
- Tech Science Press
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FiVeRTY - JOUR AU - Samad, Abdul AU - Shaukat, Kanval AU - Ansari, Mahmood-Ur-Rehman AU - Nizar, Mereen AU - Zahra, Noreen AU - Naz, Ambreen AU - Iqbal, Hafiz Muhammad Waleed AU - Raza, Ali AU - Pešić, Vladan AU - Đalović, Ivica PY - 2023 UR - http://fiver.ifvcns.rs/handle/123456789/3240 AB - Salinity is one of the major abiotic factors that limit the growth and productivity of plants. Foliar application of plant growth regulators (PGRs) may help plants ameliorate the negative impacts of salinity. Thus, a field experiment was conducted at the Botanical Garden University of Balochistan, Quetta, to explore the potential role of PGRs, i.e., moringa leaf extract (MLE; 10%), proline (PRO; 1 µM), salicylic acid (SA; 250 µM), and thiourea (TU; 10 mM) in ameliorating the impacts of salinity (120 mM) on Plantago ovata, an important medicinal plant. Salinity hampered plant photosynthetic pigments and metabolites but elevated oxidative parameters. However, foliar application of PGRs enhanced photosynthetic pigments, including Chl b (21.11%), carotenoids (57.87%) except Chl a, activated the defense mechanisms by restoring and enhancing the metabolites, i.e., soluble sugars (49.68%), soluble phenolics (33.34%), and proline (31.47%), significantly under salinity stress. Furthermore, foliar supplementation of PGRs under salt stress led to a decrease of about 43.02% and 43.27% in hydrogen peroxide and malondialdehyde content, respectively. Thus, PGRs can be recommended for improved photosynthetic efficiency and metabolite content that can help to get better yield under salt stress, with the best and most effective treatments being those of PRO and MLE to predominately ameliorate the harsh impacts of salinity. PB - Tech Science Press T2 - Biocell T1 - Role of foliar spray of plant growth regulators in improving photosynthetic pigments and metabolites in Plantago ovata (Psyllium) under salt stress – A field appraisal EP - 532 IS - 3 SP - 523 VL - 47 DO - 10.32604/biocell.2023.023704 ER -
@article{ author = "Samad, Abdul and Shaukat, Kanval and Ansari, Mahmood-Ur-Rehman and Nizar, Mereen and Zahra, Noreen and Naz, Ambreen and Iqbal, Hafiz Muhammad Waleed and Raza, Ali and Pešić, Vladan and Đalović, Ivica", year = "2023", abstract = "Salinity is one of the major abiotic factors that limit the growth and productivity of plants. Foliar application of plant growth regulators (PGRs) may help plants ameliorate the negative impacts of salinity. Thus, a field experiment was conducted at the Botanical Garden University of Balochistan, Quetta, to explore the potential role of PGRs, i.e., moringa leaf extract (MLE; 10%), proline (PRO; 1 µM), salicylic acid (SA; 250 µM), and thiourea (TU; 10 mM) in ameliorating the impacts of salinity (120 mM) on Plantago ovata, an important medicinal plant. Salinity hampered plant photosynthetic pigments and metabolites but elevated oxidative parameters. However, foliar application of PGRs enhanced photosynthetic pigments, including Chl b (21.11%), carotenoids (57.87%) except Chl a, activated the defense mechanisms by restoring and enhancing the metabolites, i.e., soluble sugars (49.68%), soluble phenolics (33.34%), and proline (31.47%), significantly under salinity stress. Furthermore, foliar supplementation of PGRs under salt stress led to a decrease of about 43.02% and 43.27% in hydrogen peroxide and malondialdehyde content, respectively. Thus, PGRs can be recommended for improved photosynthetic efficiency and metabolite content that can help to get better yield under salt stress, with the best and most effective treatments being those of PRO and MLE to predominately ameliorate the harsh impacts of salinity.", publisher = "Tech Science Press", journal = "Biocell", title = "Role of foliar spray of plant growth regulators in improving photosynthetic pigments and metabolites in Plantago ovata (Psyllium) under salt stress – A field appraisal", pages = "532-523", number = "3", volume = "47", doi = "10.32604/biocell.2023.023704" }
Samad, A., Shaukat, K., Ansari, M., Nizar, M., Zahra, N., Naz, A., Iqbal, H. M. W., Raza, A., Pešić, V.,& Đalović, I.. (2023). Role of foliar spray of plant growth regulators in improving photosynthetic pigments and metabolites in Plantago ovata (Psyllium) under salt stress – A field appraisal. in Biocell Tech Science Press., 47(3), 523-532. https://doi.org/10.32604/biocell.2023.023704
Samad A, Shaukat K, Ansari M, Nizar M, Zahra N, Naz A, Iqbal HMW, Raza A, Pešić V, Đalović I. Role of foliar spray of plant growth regulators in improving photosynthetic pigments and metabolites in Plantago ovata (Psyllium) under salt stress – A field appraisal. in Biocell. 2023;47(3):523-532. doi:10.32604/biocell.2023.023704 .
Samad, Abdul, Shaukat, Kanval, Ansari, Mahmood-Ur-Rehman, Nizar, Mereen, Zahra, Noreen, Naz, Ambreen, Iqbal, Hafiz Muhammad Waleed, Raza, Ali, Pešić, Vladan, Đalović, Ivica, "Role of foliar spray of plant growth regulators in improving photosynthetic pigments and metabolites in Plantago ovata (Psyllium) under salt stress – A field appraisal" in Biocell, 47, no. 3 (2023):523-532, https://doi.org/10.32604/biocell.2023.023704 . .