Application of abscisic acid and 6-benzylaminopurine modulated morpho-physiological and antioxidative defense responses of tomato (Solanum lycopersicum L.) by minimizing cobalt uptake

Kamran, Muhammad; Danish, Muhammad; Saleem, Muhammad Hamzah; Malik, Zaffar; Parveen, Aasma; Abbasi, Ghulam Hassan; Jamil, Moazzam; Ali, Shafaqat; Afzal, Sobia; Riaz, Muhammad; Rizwan, Muhammad; Ali, Muhammad Ubaid; Zhou, Yaoyu

doi:10.1016/j.chemosphere.2020.128169

Cited by 91 publications

(25 citation statements)

References 76 publications

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“…Exogenous applications of plant growth regulators are also employed to overcome these stressed conditions ( Kamran et al, 2021 ). As mentioned, phytohormones were applied to improve drought tolerance in plants (see Table 2 ) and increase growth, development, and productivity.…”

Section: Introductionmentioning

confidence: 99%

Phytohormones Trigger Drought Tolerance in Crop Plants: Outlook and Future Perspectives

et al. 2022

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In the past and present, human activities have been involved in triggering global warming, causing drought stresses that affect animals and plants. Plants are more defenseless against drought stress; and therefore, plant development and productive output are decreased. To decrease the effect of drought stress on plants, it is crucial to establish a plant feedback mechanism of resistance to drought. The drought reflex mechanisms include the physical stature physiology and biochemical, cellular, and molecular-based processes. Briefly, improving the root system, leaf structure, osmotic-balance, comparative water contents and stomatal adjustment are considered as most prominent features against drought resistance in crop plants. In addition, the signal transduction pathway and reactive clearance of oxygen are crucial mechanisms for coping with drought stress via calcium and phytohormones such as abscisic acid, salicylic acid, jasmonic acid, auxin, gibberellin, ethylene, brassinosteroids and peptide molecules. Furthermore, microorganisms, such as fungal and bacterial organisms, play a vital role in increasing resistance against drought stress in plants. The number of characteristic loci, transgenic methods and the application of exogenous substances [nitric oxide, (C28H48O6) 24-epibrassinolide, proline, and glycine betaine] are also equally important for enhancing the drought resistance of plants. In a nutshell, the current review will mainly focus on the role of phytohormones and related mechanisms involved in drought tolerance in various crop plants.

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Section: Introductionmentioning

confidence: 99%

Phytohormones Trigger Drought Tolerance in Crop Plants: Outlook and Future Perspectives

et al. 2022

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“…When plants were exposed to drought stress, reactive oxygen species started damaging membranes and inducing lipid peroxidation [60][61][62]. MDA is a product of lipid peroxidation and an indicator of stress level [12,[63][64][65].…”

Section: Discussionmentioning

confidence: 99%

Ecotypic Morphological and Physio-Biochemical Responses of Two Differentially Adapted Forage Grasses, Cenchrus ciliaris L. and Cyperus arenarius Retz. to Drought Stress

et al. 2021

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Crop performance and yield are the results of genotypic expression as modulated by continuous interaction with the environment. Among the environmental aspects, drought and salinity are the most important factors, which limit the forages, including grasses, on a global basis. Grass species have the ability to grow under low water conditions and can produce high dry yield, proteins, and energy in areas exposed to drought stress. For this purpose, we conducted the present study to understand the response of forage grasses under drought stress from two different regions (Salt Range and Faisalabad) of Punjab, Pakistan. Two ecotypes of each grass species (Cenchrus ciliaris L. and Cyperus arenarius Retz.) were grown in pots at the botanical research area, Government College University Faisalabad, Pakistan. A group of plants were subjected to drought stress (60% field capacity) and controlled (100% field capacity) after three weeks of seed germination. The results from the present study depicted that the fresh and dry weights of root and shoot were decreased significantly under drought conditions. Moreover, C. ciliaris of the Salt Range area showed more resistance and higher growth production under drought stress. The chlorophyll (a and b) contents were also decreased significantly, while MDA, total soluble sugars, and proline levels were increased significantly under water-limited environments in the C. arenarius of Salt Range area. Enzymatic antioxidants (superoxidase dismutase (SOD) and peroxidase (POD)) and leaf Na+ were significantly raised in C. arenarius under drought stress collected from the Faisalabad region. Cenchrus ciliaris showed higher level of H2O2, total soluble proteins, glycinebetaine, catalase (CAT) and POD compared to C. arenarius. It also retained more leaf and root Ca2+, and root K+ under drought stress. It was concluded from the study that C. ciliaris is more resistant to drought in biomass production collected from the Salt Range area. The results suggested that C. ciliaris can be more widely used as a forage grass under water-scarce conditions as compared to C. arenarius.

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“…Plants face severe oxidative damage in lipid bounded organelles due to the generation of extra reactive oxygen species (ROS) under high concentration of heavy metals in the soil (Kamran et al 2020;Saleem et al 2020e) and electrolyte leakage (Ghasemi et al 2014;Saleem et al 2020g). Conditions of environmental stress (Cr stress) will disrupt and balance the equilibrium of ROS production and then remove it for healthy plant growth.…”

Section: Discussionmentioning

confidence: 99%

“…ROS production in the cells/tissues of the plants is toxic, leading to the oxidative damage to various membranebound organelles. The plant, however, has a variety of antioxidants enzymes, which scavenge ROS production (Kamran et al 2020;Saleem et al 2020d). In the present study, antioxidant activities increased to a level under Cr stress but gradually decreased with the introduction of a large amount of tannery wastewater in the soil (Fig.…”

Section: Discussionmentioning

confidence: 99%

“…Industrialization and urbanization have increased the anthropogenic contribution of heavy metals in biosphere. They also have largest availability in soil and aquatic ecosystems and to a relatively smaller proportion in atmosphere as particulate or vapours (Kamran et al 2020;Rehman et al 2019b). Moreover, heavy metal toxicity in plants varies with plant species, specific metal, concentration, chemical form and soil composition and pH, as many heavy metals are considered to be essential for plant growth (Saleem et al 2020a).…”

Section: Introductionmentioning

confidence: 99%

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Interactive role of zinc and iron lysine on Spinacia oleracea L. growth, photosynthesis and antioxidant capacity irrigated with tannery wastewater

Zaheer

Ali

Saleem

et al. 2020

Physiol Mol Biol Plants

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Untreated wastewater contains toxic amounts of heavy metals such as chromium (Cr), which poses a serious threat to the growth and physiology of plants when used in irrigation. Though, Cr is among the most widespread toxic trace elements found in agricultural soils due to various anthropogenic activities. To explore the interactive effects of micronutrients with amino acid chelators [iron-lysine (Fe-lys) and zinc-lysine (Zn-lys)], pot experiments were conducted in a controlled environment, using spinach (Spinacia oleracea L.) plant irrigated with tannery wastewater. S. oleracea was treated without Fe and Zn-lys (0 mg/L Zn-lys and 0 mg/L Fe-lys) and also treated with various combinations of (interactive application) Fe and Zn-lys (10 mg/L Zn-lys and 5 mg/L Fe-lys), when cultivated at different levels [0 (control) 33, 66 and 100%) of tannery wastewater in the soil having a toxic level of Cr in it. According to the results, we have found that, high concentration of Cr in the soil significantly (P \ 0.05) reduced plant height, fresh biomass of roots and leaves, dry biomass of roots and leaves, root length, number of leaves, leaf area, total chlorophyll contents, carotenoid contents, transpiration rate (E), stomatal conductance (gs), net photosynthesis (PN), and water Ihsan Elahi Zaheer and Muhammad Hamzah Saleem have contributed equally to this work.

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Application of abscisic acid and 6-benzylaminopurine modulated morpho-physiological and antioxidative defense responses of tomato (Solanum lycopersicum L.) by minimizing cobalt uptake

Cited by 91 publications

References 76 publications

Phytohormones Trigger Drought Tolerance in Crop Plants: Outlook and Future Perspectives

Phytohormones Trigger Drought Tolerance in Crop Plants: Outlook and Future Perspectives

Ecotypic Morphological and Physio-Biochemical Responses of Two Differentially Adapted Forage Grasses, Cenchrus ciliaris L. and Cyperus arenarius Retz. to Drought Stress

Interactive role of zinc and iron lysine on Spinacia oleracea L. growth, photosynthesis and antioxidant capacity irrigated with tannery wastewater

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