2020
DOI: 10.3390/plants9040431
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Exogenous Ascorbic Acid Induced Chilling Tolerance in Tomato Plants Through Modulating Metabolism, Osmolytes, Antioxidants, and Transcriptional Regulation of Catalase and Heat Shock Proteins

Abstract: Chilling, a sort of cold stress, is a typical abiotic ecological stress that impacts the development as well as the growth of crops. The present study was carried to investigate the role of ascorbic acid root priming in enhancing tolerance of tomato seedlings against acute chilling stress. The treatments included untreated control, ascorbic acid-treated plants (AsA; 0.5 mM), acute chilling-stressed plants (4 °C), and chilling stressed seedlings treated by ascorbic acid. Exposure to acute chilling stress reduce… Show more

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Cited by 105 publications
(66 citation statements)
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“…Which, in turn, leading to the direct suppression of photosynthesis [ 13 ] and chlorophyll degradation. Moreover, water deficit can reduce plant growth and negatively affect development by reducing division, differentiation, and cell enlargement [ 8 , 61 ].…”
Section: Discussionmentioning
confidence: 99%
“…Which, in turn, leading to the direct suppression of photosynthesis [ 13 ] and chlorophyll degradation. Moreover, water deficit can reduce plant growth and negatively affect development by reducing division, differentiation, and cell enlargement [ 8 , 61 ].…”
Section: Discussionmentioning
confidence: 99%
“…Furthermore, physiological and biochemical characters can be adversely affected under salinity stress conditions, e.g., decreases in chlorophyll concentrations and relative water contents, reduced essential nutrient uptake as well as increased electrolyte leakage may occur [ 8 ]. In addition, accumulation of reactive oxygen species (ROS) such as superoxide (O 2 − ) and hydrogen peroxide (H 2 O 2 ) may increase, causing oxidative stress [ 9 ] as well as delays in cellular metabolism as one of the important signals of many stresses such as salinity [ 10 ], drought [ 11 , 12 , 13 ], chilling [ 14 ] and biotic stress [ 15 ] in several economically important crop plants. The high concentration of reactive oxygen species reduces nutrient uptake, damages proteins, and lipids as well as metabolic pathways [ 16 ].…”
Section: Introductionmentioning
confidence: 99%
“…Euhalophytes can cope with salinity stress through different mechanisms, such as salt exclusion, salt elimination, salt succulence and salt redistribution [7]. Furthermore, EL%, lipid peroxidation, and ROS were increased significantly under salinity, as these parameters are signals to various stresses, such as salinity, drought, and heat [26][27][28][29], that enable plants to respond to a particular stress. Some plants protect themselves from salinity stress by maintaining ion homeostasis and transportation of the excess salt to the vacuole or sequestering in the older tissues which ultimately are sacrificed, thereby defending itself from salinity stress [30].…”
Section: Introductionmentioning
confidence: 99%