Sodium silicate mediated response of antioxidative defense system in &lt;em&gt;Lycopersicon esculentum&lt;/em&gt; mill. under water stress

Malhotra, C. L.; Kapoor, Riti Thapar; Ganjewala, Deepak; Singh, Neeraj

doi:10.5138/09750185.2108

Cited by 7 publications

(3 citation statements)

References 68 publications

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“…6), the heavy accumulation of TP and other secondary metabolites which provide protection to chestnut plants against heat stress. Similar results were also found by Haddad and Kamangar (2007), Malhotra et al (2017), and Sattar et al (2019) in grapevine, chickpea, tomato, and wheat plants.…”

Section: Antioxidant Activitysupporting

confidence: 89%

Stress Oxidative Evaluation on SiK®-Supplemented Castanea sativa Mill. Plants Growing Under High Temperature

Carneiro-Carvalho

Anjos

Pinto

et al. 2020

J Soil Sci Plant Nutr

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The protective effect of silicon (Si) against environmental stress has been observed in many crops. The objective of this work was to evaluate the impact of SiK® (potassium silicate) fertilization on the resilience capacity of chestnut plants growing under high air temperature conditions and their recovery capacity after a turnover to adequate temperatures. Castanea sativa plants were supplied with 0 mM, 5 mM, 7.5 mM, and 10 mM SiK® and exposed sequentially to 25°C, 32°C, and 25°C for 1 month each. Data suggested that silicon are involved in increasing the heat tolerance of chestnut plants by reducing the oxidative damage and improving the antioxidant enzymes and metabolites. Under heat stress (32°C), there was an increase in the catalase, ascorbate peroxidase, and peroxidase activities, as well as in the phenol content of supplemented plants, which consequently reduced the electrolyte leakage, lipid peroxidation, and hydrogen peroxide content. Additionally, a lower proline content was measured inside the leaves' tissues of Si-treated plants. Besides the resilience against heat stress, after exposure to 32°C, the recovery was also quick.

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Section: Antioxidant Activitysupporting

confidence: 89%

Stress Oxidative Evaluation on SiK®-Supplemented Castanea sativa Mill. Plants Growing Under High Temperature

Carneiro-Carvalho

Anjos

Pinto

et al. 2020

J Soil Sci Plant Nutr

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“…Severe drought stress (75% water deficit condition) in finger millet plants considerably increased EL and H 2 O 2 content [ 87 ]. In another study, Malhotra et al [ 88 ] withheld irrigation in tomato plant for 6 d, which resulted in an increase of MDA content as well as 39% augmentation of EL. Hasanuzzaman et al [ 89 ] and [ 90 ] investigated the effect of hyperosmotic stress (10% and 20% polyethylene glycol; PEG) on Brassica napus L. cv.…”

Section: Oxidative Stress Under Abiotic Stressmentioning

confidence: 99%

Reactive Oxygen Species and Antioxidant Defense in Plants under Abiotic Stress: Revisiting the Crucial Role of a Universal Defense Regulator

et al. 2020

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Global climate change and associated adverse abiotic stress conditions, such as drought, salinity, heavy metals, waterlogging, extreme temperatures, oxygen deprivation, etc., greatly influence plant growth and development, ultimately affecting crop yield and quality, as well as agricultural sustainability in general. Plant cells produce oxygen radicals and their derivatives, so-called reactive oxygen species (ROS), during various processes associated with abiotic stress. Moreover, the generation of ROS is a fundamental process in higher plants and employs to transmit cellular signaling information in response to the changing environmental conditions. One of the most crucial consequences of abiotic stress is the disturbance of the equilibrium between the generation of ROS and antioxidant defense systems triggering the excessive accumulation of ROS and inducing oxidative stress in plants. Notably, the equilibrium between the detoxification and generation of ROS is maintained by both enzymatic and nonenzymatic antioxidant defense systems under harsh environmental stresses. Although this field of research has attracted massive interest, it largely remains unexplored, and our understanding of ROS signaling remains poorly understood. In this review, we have documented the recent advancement illustrating the harmful effects of ROS, antioxidant defense system involved in ROS detoxification under different abiotic stresses, and molecular cross-talk with other important signal molecules such as reactive nitrogen, sulfur, and carbonyl species. In addition, state-of-the-art molecular approaches of ROS-mediated improvement in plant antioxidant defense during the acclimation process against abiotic stresses have also been discussed.

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“…The antioxidant enzymes work as a defense system for plant and their concentration get increased under stressful conditions (Asada, 1999). The combined activity of superoxide dismutase (SOD) and Catalase convert the free radicals to molecular oxygen and water (Malhotra et al, 2017) In our findings, an increase in the concentration of proline (231.51%, 224.09%), total antioxidants (45.45%, 46.49%), SOD (83.83%, 61.54%), Ascorbate Peroxidase (40.98%) and Catalase (1117.65%, 84.21%) of PB-1121( Figure 3 and 4) and Karan Bhog-521 (Figure 7 and 8) respectively have been observed which might work as scavenging mechanism under harsh conditions. MDA content is considered as a reliable marker to measure oxidative stress ( Oracaz et al,2007) Its concentration was found to be 3.16% and 2.51% less in silicon-treated plants as compared to control in PB-1121 and Karan Bhog-521 respectively.…”

Section: Biochemical Parametersmentioning

confidence: 99%

Paddy and Silicon Application

Monika¹,

Malhotra²

2023

EEC

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The present study has been conducted to evaluate the effects of Potassium silicate, as a silicon source, on the morphological, biochemical, and yield parameters of the two varieties PB-1121 and Karan bhog -521 of rice (Oryza sativa L.). For this, thre econcentrations of potassium silicate, i.e. 3g, 5g, and 7g were mixed into 10 kg soil along with basal fertilizers and the results were compared with the control.The effects were observed on no. of effective tillers, spikes, spikelets, grains, the weight of grains, etc. Supplementation of silicon has resulted in an increase of 104.85% in no. of tillers per hill, 135.4% in fertile tillers, 16.22% number of grains per panicle, 172.56% number of grains per hill,8.48% in weight of husk per hill, 18.88% in weight of grains per hill in PB- 1121 and 14.09% no. of spikes per panicle, 147.12% in total spikes per hill, 16.64% in no. of spikelets per panicle, 142.36% in total spikelets per hill 116.13% in no of tillers per hill, 114.36% in fertile tillers per hill, 1.25% in weight of grain per hill Karan bhog-521 variety. Silicon fertilizers being non– corrosive and environmentally friendly can become a suitable fertilizer for increasing the yield of paddy crops in the soil of District Rohtak, Haryana.

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Sodium silicate mediated response of antioxidative defense system in <em>Lycopersicon esculentum</em> mill. under water stress

Cited by 7 publications

References 68 publications

Stress Oxidative Evaluation on SiK®-Supplemented Castanea sativa Mill. Plants Growing Under High Temperature

Stress Oxidative Evaluation on SiK®-Supplemented Castanea sativa Mill. Plants Growing Under High Temperature

Reactive Oxygen Species and Antioxidant Defense in Plants under Abiotic Stress: Revisiting the Crucial Role of a Universal Defense Regulator

Paddy and Silicon Application

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